fzus53 kapx 210037
nshapx
expires:202604211100;;718068

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-211100-
st ignace to false detour channel-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...southeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718064

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-211100-
sleeping bear point to grand traverse light mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves
2 feet or less building to 2 to 3 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718062

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-211100-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...southwest wind 15 to 25 knots. mostly cloudy. waves
2 to 3 feet building to 2 to 4 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718061

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-211100-
seul choix point to 5nm west of mackinac bridge-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots becoming southwest after
midnight. mostly cloudy early in the evening then becoming partly
cloudy. waves 4 to 6 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 3 to 5 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718063

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-211100-
grand traverse bay south of a line grand traverse light to
norwood mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves
2 feet or less building to 2 to 3 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718071

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-211100-
sturgeon pt to alabaster mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...southwest wind 10 to 20 knots. mostly sunny. waves
2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718070

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-211100-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
837 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 3 to
5 feet. 
.tuesday...south wind 15 to 20 knots. sunny. waves 3 to 5 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718069

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-211100-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
3 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718067

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-211100-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots becoming southwest 10 to
15 knots early in the morning. mostly cloudy. waves 2 feet or
less. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 feet or less.
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718060

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-211100-
st. marys river point iroquois to e. potagannissing bay-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 15 knots. mostly cloudy. 
.tuesday...west wind 5 to 10 knots. sunny.
.tuesday night...north wind 5 to 10 knots. mostly clear. 
.wednesday...light winds. sunny.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718059

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-211100-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 10 to 20 knots becoming southwest 10 to
15 knots early in the morning. slight chance of snow showers
early in the evening. waves 2 to 3 feet. 
.tuesday...northwest wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718066

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-211100-
manistee to point betsie mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves 3 to
5 feet. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 3 to
5 feet. 
.tuesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718065

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz345-211100-
point betsie to sleeping bear point mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves 2 to
3 feet building to 2 to 4 feet after midnight. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 2 to
4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708053

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz042-210300-
niagara river to hamlin beach along lake ontario-
404 pm edt mon apr 20 2026

.tonight...west winds 5 to 15 knots becoming south 10 knots or
less. becoming mainly clear. waves 1 to 3 feet subsiding to
1 foot or less. 
.tuesday...south winds 10 to 15 knots. partly sunny in the
morning, then becoming mostly cloudy. waves 2 feet or less. 
.tuesday night...south winds 10 knots or less becoming northeast.
mostly cloudy. waves 1 foot or less. 
.wednesday...northeast winds 10 knots or less becoming northwest.
mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots becoming
north. mainly clear in the evening, then becoming partly cloudy.
waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 
.friday...east winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of showers. waves 2 to 4 feet. 

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708050

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez020-210300-
upper niagara river and buffalo harbor-
404 pm edt mon apr 20 2026

.tonight...west winds 10 knots or less becoming south. becoming
mainly clear. 
.tuesday...south winds 5 to 15 knots. partly sunny in the
morning, then becoming mostly cloudy. 
.tuesday night...south winds 5 to 10 knots becoming light and
variable. mostly cloudy in the evening, then becoming partly
cloudy. 
.wednesday...light and variable winds. mostly sunny. 
.wednesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. 
.thursday...light and variable winds. partly cloudy. 
.friday...east winds 10 knots or less. a chance of showers friday
night. 
.saturday...northeast winds 5 to 10 knots. a chance of showers. 

the water temperature off buffalo is 44 degrees.

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708052

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez040-041-210300-
buffalo to ripley along lake erie-
404 pm edt mon apr 20 2026

.tonight...southwest winds 10 knots or less becoming south.
mainly clear. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots. mostly sunny in the
morning, then becoming mostly cloudy. waves 1 foot or less. 
.tuesday night...south winds 10 knots or less becoming southwest.
a chance of showers. waves 1 foot or less. 
.wednesday...west winds less than 10 knots. a chance of showers
in the morning. waves 1 foot or less. 
.wednesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. waves 1 foot or less. 
.thursday...light and variable winds. partly cloudy. waves 1 foot
or less. 
.friday...east winds less than 10 knots. a chance of showers
friday night. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east.
showers likely. waves 1 foot or less. 

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708054

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz043-210300-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
404 pm edt mon apr 20 2026

.tonight...west winds 5 to 15 knots becoming southwest. mainly
clear. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots. partly sunny in the
morning, then becoming mostly cloudy. waves 1 foot or less. 
.tuesday night...south winds 5 to 10 knots becoming southeast.
mostly cloudy. waves 1 foot or less. 
.wednesday...east winds 10 knots or less becoming northwest.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.thursday...north winds 10 knots or less becoming east. partly to
mostly cloudy. waves 1 foot or less. 
.friday...east winds 5 to 15 knots. a chance of showers friday
night. waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 

the water temperature off rochester is 43 degrees.

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708055

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz044-210300-
sodus bay to mexico bay along lake ontario-
404 pm edt mon apr 20 2026

.tonight...west winds 5 to 15 knots becoming southwest. mainly
clear. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots. partly sunny in the
morning, then becoming mostly cloudy. waves 2 feet or less. 
.tuesday night...south winds 5 to 15 knots becoming southeast.
mostly cloudy. waves 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming northwest.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.thursday...north winds less than 10 knots. partly to mostly
cloudy. waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming east 10 to
15 knots. a chance of showers friday night. waves 1 foot or less.
.saturday...east winds 5 to 15 knots. a chance of showers. waves
2 feet or less. 

$$

fzus51 kbuf 202004
nshbuf
expires:202604210300;;708056

nearshore marine forecast
national weather service buffalo ny
404 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-210300-
mexico bay to the saint lawrence river along lake ontario-
404 pm edt mon apr 20 2026

.tonight...west winds 5 to 15 knots becoming southwest. becoming
mainly clear. waves 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots. partly sunny in the
morning, then becoming mostly cloudy. waves 2 feet or less. 
.tuesday night...south winds 5 to 15 knots becoming southeast.
mostly cloudy. waves 2 feet or less. 
.wednesday...east winds 10 knots or less becoming northwest.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots becoming
northeast. mainly clear in the evening, then becoming partly
cloudy. waves 1 foot or less. 
.thursday...north winds less than 10 knots becoming northeast.
partly to mostly cloudy. waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming east. a
chance of rain showers friday night. waves 1 foot or less. 
.saturday...east winds 5 to 15 knots. a chance of showers. waves
1 foot or less. 

$$

fzus51 kcle 201944
nshcle
expires:202604210215;;707385

nearshore marine forecast
national weather service cleveland oh
344 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez142>144-210215-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
344 pm edt mon apr 20 2026

.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest. mostly
sunny. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 15 knots becoming west. a
chance of showers. waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming northeast.
a chance of showers in the morning. waves 1 foot or less. 

see lake erie open lakes forecast for thursday through saturday.

the water temperature off toledo is 57 degrees, off cleveland 48
degrees, and off erie 49 degrees.

$$

fzus51 kcle 201944
nshcle
expires:202604210215;;707386

nearshore marine forecast
national weather service cleveland oh
344 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez145>149-210215-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
344 pm edt mon apr 20 2026

.tonight...southwest winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 1 foot or less. 
.tuesday...south winds 15 to 20 knots becoming southwest. mostly
sunny. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers. waves 2 feet or less. 
.wednesday...west winds 10 knots or less becoming northwest. a
chance of showers in the morning. waves 1 foot or less. 

see lake erie open lakes forecast for thursday through saturday.

the water temperature off toledo is 57 degrees, off cleveland 48
degrees, and off erie 49 degrees.

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718768

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-211000-
oak point to saxon harbor wi-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 9 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. mostly clear. waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots becoming east late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots becoming south early in
the morning. mostly clear. waves 1 foot or less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718767

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz121-211000-
chequamegon bay-bayfield to oak point wi-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 9 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 knots toward daybreak. partly
cloudy early in the evening then becoming clear. waves 1 foot or
less. 
.tuesday...northwest wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.tuesday night...east wind 5 knots early in the evening becoming
variable 10 knots or less. mostly clear. waves 1 foot or less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718758

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-211000-
grand portage to grand marais mn-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 to 10 knots toward daybreak.
mostly cloudy early in the evening then clearing. waves 2 to
4 feet. 
.tuesday...west wind 5 to 10 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday night...southwest wind 5 to 10 knots becoming west late
in the evening, then becoming northeast after midnight. mostly
clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718759

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-211000-
grand marais to taconite harbor mn-
803 pm cdt mon apr 20 2026

.rest of tonight...southeast wind 5 knots becoming west toward
daybreak. mostly clear. waves 1 to 2 feet. 
.tuesday...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 to 2 feet. 
.tuesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718760

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz142-211000-
taconite harbor to silver bay harbor mn-
803 pm cdt mon apr 20 2026

.rest of tonight...south wind 5 knots becoming northwest toward
daybreak. mostly clear. waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots becoming southwest in the late
morning and early afternoon, then becoming variable 10 knots or
less late in the afternoon. sunny. waves 1 foot or less. 
.tuesday night...variable winds 10 knots or less. mostly clear.
waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718761

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz143-211000-
silver bay harbor to two harbors mn-
803 pm cdt mon apr 20 2026

.rest of tonight...southwest wind 10 to 15 knots becoming west
5 knots toward daybreak. mostly clear. waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots becoming west late in the
morning, then becoming variable 10 knots or less in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...variable winds 10 knots or less becoming
northeast 5 knots after midnight. mostly clear. waves 1 foot or
less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718762

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz144-211000-
two harbors to duluth mn-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 9 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 knots toward daybreak. mostly
clear. waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots becoming north late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less. 
.tuesday night...variable winds 10 knots or less becoming
northeast 5 knots after midnight. mostly clear. waves 1 foot or
less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718763

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz145-211000-
duluth mn to port wing wi-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 9 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 knots toward daybreak. mostly
clear. waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots becoming south early in the
afternoon, then becoming southeast late in the afternoon. sunny.
waves 1 foot or less. 
.tuesday night...variable winds 10 knots or less becoming east
5 knots after midnight. mostly clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718764

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz146-211000-
port wing to sand island wi-
803 pm cdt mon apr 20 2026

...small craft advisory in effect until 9 pm cdt this evening...

.rest of tonight...southwest wind 10 knots with gusts to around
20 knots rising to 10 to 15 knots with gusts to around 20 knots
in the late evening and early morning, then becoming west 5 knots
toward daybreak. mostly clear. waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots in the morning becoming
variable 10 knots or less. sunny. waves 1 foot or less. 
.tuesday night...variable winds 10 knots or less becoming east
5 knots after midnight. mostly clear. waves 1 foot or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210103
nshdlh
expires:202604211000;;718765

nearshore marine forecast
national weather service duluth mn
803 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz147-211000-
sand island to bayfield wi-
803 pm cdt mon apr 20 2026

.rest of tonight...southwest wind 5 to 10 knots with gusts to
around 20 knots becoming west toward daybreak. mostly clear.
waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots in the morning becoming
variable 10 knots or less, then becoming south 5 knots late in
the afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming east 5 knots
after midnight. mostly clear. waves 1 foot or less. 
.wednesday...east wind 5 knots becoming northeast in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707099

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-210400-
inner saginaw bay sw of point au gres to bay port mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. gusts to 25 knots. 
partly cloudy. waves 1 to 3 feet building to 2 to 4 feet early in 
the morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning then clearing. a chance of sprinkles until 
late afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet early 
in the afternoon. 
.tuesday night...west winds 10 to 15 knots veering to the
northeast in the late evening and early morning, then becoming
north 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707100

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-210400-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. mostly clear in the evening becoming mostly cloudy.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming mostly sunny. a chance of sprinkles
until late afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet 
early in the afternoon. waves occasionally around 7 feet. 
.tuesday night...west winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and early morning, then diminishing
to 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707104

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez444-210400-
michigan waters of lake erie from detroit river to north cape mi-
337 pm edt mon apr 20 2026

.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots. clear. waves 2 feet or less. 
.tuesday...southwest winds 15 to 20 knots. a few gusts to 25 
knots possible in the morning. partly cloudy. a chance of 
sprinkles until late afternoon, then a chance of showers and a 
slight chance of thunderstorms early in the afternoon. waves 1 to 
3 feet.
.tuesday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. partly cloudy. a
chance of showers until early morning. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots until late afternoon
becoming light and variable. partly cloudy early in the morning
then clearing. waves 2 feet or less. 

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is 47 degrees.

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707103

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-210400-
port sanilac to port huron mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots this evening, then becoming south 15 to 20 knots after
midnight. gusts to 25 knots. clear in the evening becoming partly
cloudy. waves 1 to 3 feet building to 2 to 4 feet early in the 
morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of showers until late afternoon. 
waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon.
waves occasionally around 7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north after midnight. mostly clear. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707102

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-210400-
harbor beach to port sanilac mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots after midnight. gusts to 25 knots. mostly clear in the 
evening becoming mostly cloudy. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming partly cloudy. a chance of showers 
until late afternoon. waves 3 to 5 feet. waves occasionally around
7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707101

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-210400-
port austin to harbor beach mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. gusts to 25 knots. 
mostly clear in the evening becoming mostly cloudy. waves 1 to 3 
feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of sprinkles early in the morning,
then a chance of showers in the late morning and early afternoon.
waves 2 to 4 feet. 
.tuesday night...southeast winds 5 to 10 knots backing to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710032

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-210400-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
355 pm cdt mon apr 20 2026

...small craft advisory in effect until 1 am cdt tuesday...

.late this afternoon...s wind 15 to 25 kts. waves 2 to 4 ft.
partly cloudy. 
.tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts after
midnight. waves 3 to 5 ft subsiding to 1 to 3 ft after midnight.
mostly cloudy in the evening then becoming partly cloudy. 
.tuesday...sw wind 5 to 10 kts backing e early in the afternoon.
waves 2 ft or less. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 ft or less. clear.
.wednesday...ne wind 5 to 10 kts veering se in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710033

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541-210400-
rock island passage to sturgeon bay wi-
355 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
partly sunny. 
.tonight...s wind to 30 kts decreasing to 10 to 20 kts after
midnight. waves 5 to 8 ft. mostly cloudy in the evening then
becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 4 to 7 ft subsiding to 2 to 4 ft in the
afternoon. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710034

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-210400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
355 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
partly sunny. 
.tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts after
midnight. waves 4 to 7 ft. mostly cloudy in the evening then
becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 3 to 5 ft subsiding to 2 to 4 ft in the
afternoon. sunny.
.tuesday night...ne wind 10 to 15 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e early in the
afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714898

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...southwest winds 10 to 15 knots. mostly
cloudy. waves around 1 foot. 
.tonight...south winds to 30 knots. partly cloudy. waves 1 to 2 feet
building to 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. sunny. waves 4 to 6 feet. 
.tuesday night...northwest winds 10 to 15 knots veering northeast
5 to 10 knots in the late evening and overnight. mostly clear. waves
2 to 4 feet subsiding to 1 to 2 feet in the late evening and
overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 4 to 6 feet. 
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714896

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...south winds 10 to 20 knots. sunny. waves
1 to 2 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 2 to
3 feet building to 3 to 5 feet in the late evening and overnight. 
.tuesday...south winds 15 to 25 knots veering southwest 10 to
15 knots early in the afternoon. sunny. waves 4 to 6 feet. 
.tuesday night...northeast winds 5 to 10 knots. mostly clear. waves
1 to 3 feet.
.wednesday...northeast winds 5 to 10 knots backing north early in
the afternoon. sunny. waves around 1 foot. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 4 to
6 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714901

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-210800-
st joseph to south haven mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...west winds 5 to 10 knots. sunny. waves
1 foot or less. 
.tonight...southeast winds 5 to 10 knots veering south 10 to
20 knots in the late evening and overnight. mostly clear. waves 1 to
3 feet. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.tuesday night...west winds 5 to 10 knots. partly cloudy with a
slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...northeast winds around 5 knots veering southeast
5 to 15 knots in the late evening and overnight. partly cloudy.
waves less than 1 foot. 
.thursday...south winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 2 to 3 feet. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714900

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...southwest winds 5 to 10 knots. sunny. waves
1 foot or less. 
.tonight...south winds 5 to 10 knots increasing to 15 to 25 knots in
the late evening and overnight. mostly clear. waves 1 to 2 feet
building to 2 to 4 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday night...west winds 10 to 15 knots veering northeast 5 to
10 knots after midnight. partly cloudy with a slight chance of rain
showers. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. partly cloudy. waves 1 foot or less.
.thursday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 2 to 4 feet.
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714899

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...southwest winds around 10 knots. mostly
sunny. waves 1 foot or less. 
.tonight...south winds 10 to 20 knots increasing to 20 to 25 knots
after midnight. partly cloudy. waves 1 to 3 feet building to 3 to
5 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.tuesday night...west winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 2 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 3 to 5 feet. 
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714897

nearshore marine forecast
national weather service grand rapids mi
703 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
703 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.through early evening...south winds 15 to 20 knots. sunny. waves
1 to 2 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 1 to
3 feet building to 4 to 6 feet in the late evening and overnight. 
.tuesday...south winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.tuesday night...north winds 5 to 15 knots veering northeast in the
late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 5 to
7 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kiwx 201936
nshiwx
expires:202604210400;;707085

nearshore marine forecast
national weather service northern indiana
336 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-210400-
michigan city in to new buffalo mi-
336 pm edt mon apr 20 2026

.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a few gusts up to 25 knots in the afternoon. mostly 
sunny. waves 1 to 2 feet.
.tuesday night...west winds 10 knots or less. a chance of showers
and thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds less than 10 knots. mostly sunny.
waves 1 foot or less. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 201936
nshiwx
expires:202604210400;;707086

nearshore marine forecast
national weather service northern indiana
336 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-210400-
new buffalo mi to st joseph mi-
336 pm edt mon apr 20 2026

.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a few gusts up to 25 knots in the afternoon. mostly 
sunny. waves 1 to 3 feet.
.tuesday night...west winds 10 knots or less. a chance of showers
and thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds less than 10 knots. mostly sunny.
waves 1 foot or less. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 201941
nshlot
expires:202604210600;;707241

nearshore marine forecast
national weather service chicago/romeoville il
241 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-210600-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
241 pm cdt mon apr 20 2026

.tonight...northeast winds 10 to 15 kt early, becoming south and 
increasing to 15 to 25 kt. mostly clear in the evening, then 
becoming partly cloudy. waves 1 to 3 ft. 
.tuesday...south winds 15 to 25 kt becoming southwest. slight
chance of showers and thunderstorms in the afternoon. waves 1 to
3 ft. 
.tuesday night...southwest winds 10 to 15 kt becoming northwest
overnight. chance of showers and thunderstorms in the evening.
waves 1 to 2 ft. 
.wednesday...north winds around 10 kt. partly cloudy. waves
around 1 ft.  

$$

fzus53 klot 201941
nshlot
expires:202604210600;;707240

nearshore marine forecast
national weather service chicago/romeoville il
241 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740>742-210600-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
241 pm cdt mon apr 20 2026

.tonight...east winds 10 to 15 kt becoming southeast early this
evening, then becoming south and increasing to 15 to 20 kt. 
partly cloudy in the evening, then becoming mostly cloudy. waves 1
to 3 ft building to 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt. partly cloudy. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.tuesday night...west winds 10 to 15 kt becoming north overnight.
slight chance of showers and thunderstorms in the evening. waves
1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. partly cloudy. waves 1 to 2 ft.  

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717610

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-210400-
wind point wi to winthrop harbor il-
710 pm cdt mon apr 20 2026

.tonight...southeast wind 10 to 15 knots veering south late in
the evening, then becoming south 10 to 15 knots with gusts to
around 20 knots after midnight rising to 15 to 20 knots early in
the morning. partly cloudy through around midnight then becoming
mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.tuesday...southwest wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots late in the morning, then becoming
southwest 10 to 15 knots with gusts to around 20 knots early in
the afternoon becoming southwest 10 to 15 knots late in the
afternoon. chance of sprinkles in the afternoon. waves 2 to
4 feet subsiding to 1 to 2 feet in the afternoon. 
.tuesday night...northwest wind 5 to 10 knots veering north early
in the morning. partly cloudy. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering northeast late in
the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717607

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-210400-
sheboygan to port washington wi-
710 pm cdt mon apr 20 2026

...small craft advisory in effect until 7 am cdt tuesday...

.tonight...south wind 10 to 20 knots becoming 15 to 20 knots in
the late evening and early morning, then becoming south 15 to
20 knots early in the morning. gusts up to 25 knots. partly
cloudy. waves 3 to 5 feet building to 4 to 6 feet in the late
evening and early morning, then subsiding to 3 to 4 feet early in
the morning. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then backing
south early in the afternoon becoming southeast 5 to 10 knots
late in the afternoon. mostly sunny. waves 3 to 4 feet subsiding
to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 to 10 knots becoming north
10 to 15 knots after midnight. mostly clear. waves 1 to 2 feet. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717609

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-210400-
north point light to wind point wi-
710 pm cdt mon apr 20 2026

.tonight...south wind 15 to 20 knots. partly cloudy through
around midnight then becoming mostly cloudy. waves 2 to 4 feet. 
.tuesday...southwest wind 15 to 20 knots easing to 10 to 15 knots
in the late morning and early afternoon, then becoming southwest
10 to 15 knots late in the afternoon. chance of sprinkles in the
afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 
.tuesday night...north wind 5 to 10 knots. partly cloudy. waves
around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717608

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-210400-
port washington to north point light wi-
710 pm cdt mon apr 20 2026

.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
after midnight, then becoming south 10 to 15 knots early in the
morning. partly cloudy through around midnight then becoming
mostly cloudy. waves 3 to 4 feet. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then becoming
southwest 10 to 15 knots early in the afternoon backing south
late in the afternoon. partly sunny. waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon. 
.tuesday night...northeast wind 5 to 10 knots backing north in
the late evening and overnight. partly cloudy. waves around
1 foot. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710530

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-210800-
marquette to munising mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect through late tonight...

.late this afternoon...south wind 15 to 20 knots with gusts up to
27 knots. mostly sunny. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 15 to 25 knots veering southwest 10 to
20 knots late. mostly cloudy then becoming partly cloudy by
midnight then becoming clear. waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north 5 to 15 knots
by late morning. sunny. waves 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots in the evening
becoming variable. clear. waves 1 to 2 feet. 
.wednesday...southeast wind less than 10 knots becoming 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710532

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-210800-
grand marais to whitefish point mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.late this afternoon...south wind 10 to 20 knots. mostly sunny.
waves calm to 1 foot building to 1 to 2 feet. 
.tonight...south wind 15 to 25 knots with gusts up to 33 knots.
mostly cloudy through midnight then becoming mostly clear. waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest by
late morning. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots. clear. waves
1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710522

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-210800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
503 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...south wind 20 to 25 knots. partly cloudy.
waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.
.tonight...south wind 15 to 25 knots with gusts up to 32 knots.
mostly cloudy through midnight then becoming mostly clear. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...southwest wind 5 to 15 knots veering northwest less
than 10 knots late. gusts up to 22 knots. sunny. waves subsiding
to 2 to 3 feet. 
.tuesday night...north wind less than 10 knots. clear. waves
subsiding to 1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710521

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-210800-
green bay north of line from cedar river mi to rock island
passage-
503 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.late this afternoon...south wind 20 to 25 knots. partly cloudy.
waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.
.tonight...south wind 15 to 25 knots veering southwest 10 to
15 knots late. gusts up to 32 knots. mostly cloudy through
midnight then becoming mostly clear. waves subsiding to 2 to
3 feet. 
.tuesday...southwest wind 5 to 15 knots backing south less than
10 knots by late morning, then backing east late. sunny. waves
subsiding to 1 to 2 feet. 
.tuesday night...north wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710523

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-210800-
saxon harbor wi to black river mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

...small craft advisory in effect until 9 pm edt /8 pm cdt/ this
evening...

.late this afternoon...southwest wind 10 to 15 knots with gusts
up to 23 knots. mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. clear. waves 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable. sunny. waves calm to 1 foot. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710524

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz241-210800-
black river to ontonagon mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

.late this afternoon...southwest wind 10 to 15 knots. mostly
cloudy. waves calm to 1 foot building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering west late. gusts
up to 22 knots. partly cloudy through late evening then clearing.
waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east in
the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710525

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-210800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from 11 pm this evening to 4 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots. mostly cloudy.
waves calm to 1 foot. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots backing west late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots becoming
southeast less than 10 knots after midnight. clear. waves calm to
1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710526

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-210800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from 11 pm this evening to 4 am
edt tuesday...

.late this afternoon...southeast wind 10 to 15 knots with gusts
up to 22 knots. mostly cloudy. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 10 to 20 knots veering west 10 to 15 knots
late. mostly cloudy then becoming partly cloudy by midnight then
becoming clear. waves building to 2 to 4 feet, then subsiding to
2 to 3 feet. 
.tuesday...northwest wind 5 to 15 knots. sunny. waves subsiding
to 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind 5 to 15 knots. sunny. waves building
to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710527

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-210800-
point isabelle to lower entrance of portage canal mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from midnight tonight to 3 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north by
late morning. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 10 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710528

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-210800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
503 pm edt mon apr 20 2026

...small craft advisory in effect from midnight tonight to 3 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots with gusts up to
22 knots. partly cloudy. waves calm to 1 foot building to 1 to
2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...west wind less than 10 knots veering northeast late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710529

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-210800-
huron islands to marquette mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.late this afternoon...south wind 10 to 20 knots. partly cloudy.
waves 1 to 2 feet building to 2 to 3 feet. 
.tonight...south wind 15 to 20 knots veering southwest 10 to
20 knots late. gusts up to 27 knots. mostly cloudy through late
evening then clearing. waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north less than
10 knots late. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots increasing to
10 to 15 knots in the afternoon. sunny. waves building to 1 to
2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710531

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-210800-
munising to grand marais mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect through late tonight...

.late this afternoon...south wind 15 to 20 knots with gusts up to
27 knots. mostly sunny. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 15 to 25 knots with gusts up to 33 knots.
mostly cloudy through midnight then clearing. waves building to
2 to 4 feet, then subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest less
than 10 knots late. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...west wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$