fzus53 kapx 211508
nshapx
expires:202605212315;;404877

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz342-212315-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
1108 am edt thu may 21 2026

.today...east wind 10 to 15 knots becoming northeast in the
afternoon. mostly sunny. waves 2 feet or less. 
.tonight...east wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday night...east wind 10 to 20 knots. mostly cloudy. waves
2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404879

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz344-345-212315-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
1108 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. partly sunny. waves
2 feet or less. 
.tonight...east wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404880

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz346-212315-
manistee to point betsie mi-
1108 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots becoming north in the
afternoon. partly sunny. waves 2 feet or less. 
.tonight...east wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404875

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lsz322-212315-
st. marys river point iroquois to e. potagannissing bay-
1108 am edt thu may 21 2026

.today...southeast wind 5 to 10 knots becoming south in the
afternoon. sunny.
.tonight...light winds. mostly clear. 
.friday...east wind 10 to 15 knots. mostly sunny. 
.friday night...east wind 15 to 20 knots. partly cloudy. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404881

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lhz345-212315-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
1108 am edt thu may 21 2026

.today...east wind 10 to 15 knots. mostly sunny. waves 2 feet or
less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. partly cloudy. waves
4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404874

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lsz321-212315-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
1108 am edt thu may 21 2026

.today...east wind 5 to 10 knots becoming northeast in the
afternoon. sunny. waves 2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.friday...southeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.friday night...southeast wind 10 to 20 knots. partly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404885

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lhz349-212315-
sturgeon pt to alabaster mi-
1108 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. sunny in the late morning
then becoming partly sunny. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 10 to 20 knots. chance of showers.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404884

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lhz348-212315-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
1108 am edt thu may 21 2026

.today...east wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 20 knots. partly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. mostly cloudy. waves
4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404883

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lhz347-212315-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
1108 am edt thu may 21 2026

.today...east wind 10 to 15 knots. mostly sunny. waves 2 feet or
less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. mostly cloudy. waves
4 to 7 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404882

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lhz346-212315-
st ignace to false detour channel-
1108 am edt thu may 21 2026

.today...southeast wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. partly cloudy. waves
4 to 7 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404878

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz323-212315-
grand traverse bay south of a line grand traverse light to
norwood mi-
1108 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. mostly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211508
nshapx
expires:202605212315;;404876

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz341-212315-
seul choix point to 5nm west of mackinac bridge-
1108 am edt thu may 21 2026

.today...east wind 10 to 15 knots. mostly sunny. waves 2 feet or
less. 
.tonight...east wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 
.friday night...east wind 15 to 25 knots. mostly cloudy. waves
3 to 5 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405515

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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.


loz043-044-212115-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
1123 am edt thu may 21 2026

.this afternoon...northeast winds 10 to 15 knots. sunny. waves
1 to 3 feet. 
.tonight...north winds 10 knots or less becoming east. mainly
clear. waves 1 foot or less. 
.friday...east winds 5 to 15 knots becoming northeast. partly to
mostly sunny. waves 2 feet or less. 
.friday night...northeast winds 10 to 15 knots becoming east. a
chance of showers overnight. waves 1 to 3 feet. 
.saturday...southeast winds 15 to 25 knots. showers. waves 1 to
3 feet building to 3 to 5 feet. waves occasionally around 6 feet.
.sunday...southeast winds 15 to 25 knots becoming south and
diminishing to 10 to 15 knots. showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...south winds 5 to 10 knots becoming light and variable.
showers likely during the day. waves 1 foot or less. 

the water temperature off rochester is 53 degrees.

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405513

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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.


lez041-212115-
dunkirk to buffalo along lake erie-
1123 am edt thu may 21 2026

.this afternoon...northeast winds 15 to 20 knots. becoming mostly
sunny. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. mainly
clear in the evening, then becoming partly cloudy. waves 2 feet
or less. 
.friday...east winds 5 to 10 knots becoming northeast. partly to
mostly sunny. waves 1 foot or less. 
.friday night...east winds 5 to 10 knots. showers likely
overnight. waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming south 15 to
20 knots. showers. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots becoming light and variable.
a chance of showers. waves 2 feet or less. 
.monday...light and variable winds. a chance of showers during
the day. waves 1 foot or less. 

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405512

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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.


lez040-212115-
ripley to dunkirk along lake erie-
1123 am edt thu may 21 2026

.this afternoon...northeast winds 15 to 20 knots. becoming mostly
sunny. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...northeast winds 15 to 20 knots becoming east 5 to
15 knots. mainly clear in the evening, then becoming partly
cloudy. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...northeast winds 10 to 15 knots. partly to mostly sunny.
waves 2 feet or less. 
.friday night...east winds 5 to 15 knots. showers overnight.
waves 2 feet or less. 
.saturday...southeast winds 15 to 25 knots becoming south.
showers. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots becoming light and variable.
a chance of showers during the day, then showers likely sunday
night. waves 2 feet or less. 
.monday...southwest winds less than 10 knots. showers likely
during the day. waves 1 foot or less. 

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405516

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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.


loz045-212115-
mexico bay to the saint lawrence river along lake ontario-
1123 am edt thu may 21 2026

.this afternoon...north winds 10 to 15 knots increasing to 15 to
20 knots. sunny. waves 1 foot or less. 
.tonight...north winds 5 to 15 knots becoming northeast. mainly
clear. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming north. mostly sunny.
waves 1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming east.
mostly cloudy. waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming southeast and
increasing to 30 knots. showers. waves 1 to 3 feet building to
3 to 5 feet. waves occasionally around 6 feet. 
.sunday...southeast winds to 30 knots becoming south and
diminishing to 15 to 20 knots. showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. waves occasionally around 6 feet. 
.monday...south winds 10 knots or less becoming southwest.
showers likely during the day. waves 2 feet or less. 

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405514

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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.


loz042-212115-
niagara river to hamlin beach along lake ontario-
1123 am edt thu may 21 2026

.this afternoon...east winds 5 to 15 knots. sunny. waves 1 to
3 feet. 
.tonight...northeast winds 10 knots or less becoming east. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
partly to mostly sunny. waves 1 to 3 feet building to 2 to
4 feet. 
.friday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...east winds 15 to 25 knots becoming southeast.
showers. waves 2 to 4 feet building to 3 to 5 feet. waves
occasionally around 6 feet. 
.sunday...southeast winds 5 to 15 knots becoming southwest less
than 10 knots. showers likely during the day, then a chance of
showers sunday night. waves 1 to 3 feet subsiding to 1 foot or
less. 
.monday...northwest winds less than 10 knots. a chance of showers
during the day. waves 1 foot or less. 

$$

fzus51 kbuf 211523
nshbuf
expires:202605212115;;405511

nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 21 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-loz030-212115-
upper niagara river and buffalo harbor-lower niagara river-
1123 am edt thu may 21 2026

.this afternoon...northeast winds around 10 knots. sunny.
.tonight...northeast winds 10 knots or less becoming east. mainly
clear. 
.friday...east winds 5 to 15 knots becoming northeast. partly to
mostly sunny. 
.friday night...east winds 5 to 15 knots. showers likely
overnight. 
.saturday...east winds 5 to 15 knots becoming southeast. showers.
.sunday...south winds 5 to 10 knots becoming light and variable.
a chance of showers. 
.monday...light and variable winds. a chance of showers during
the day. 

the water temperature off buffalo is 56 degrees.

$$

fzus51 kbuf 211404
nshbuf
expires:202605212100;;402975

nearshore marine forecast
national weather service buffalo ny
1004 am edt thu may 21 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.


lez040-041-212100-
buffalo to ripley along lake erie-
1004 am edt thu may 21 2026

.this afternoon...northeast winds 15 to 20 knots. partly to mostly
sunny. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. mainly
clear in the evening, then becoming partly cloudy. waves 1 to
3 feet subsiding to 1 foot or less. 
.friday...east winds 5 to 15 knots becoming northeast. partly to
mostly sunny. waves 2 feet or less. 
.friday night...east winds 5 to 15 knots. showers overnight.
waves 2 feet or less. 
.saturday...southeast winds 15 to 25 knots becoming south.
showers. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots becoming light and variable.
a chance of showers during the day, then showers likely sunday
night. waves 2 feet or less. 
.monday...southwest winds less than 10 knots. showers likely
during the day. waves 1 foot or less. 

$$

fzus51 kcle 211319
nshcle
expires:202605212015;;401930

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez142-212015-
maumee bay to reno beach oh-
919 am edt thu may 21 2026

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

.this afternoon...northeast winds 15 to 25 knots becoming east.
sunny. waves 1 to 3 feet building to 3 to 5 feet. waves
occasionally around 6 feet. 
.tonight...east winds 15 to 25 knots. partly cloudy. waves 3 to
5 feet. waves occasionally around 6 feet. 
.friday...east winds 20 to 25 knots. a chance of showers in the
afternoon. waves 3 to 5 feet. waves occasionally around 6 feet. 
.friday night...east winds 20 to 25 knots. showers. waves 3 to
5 feet. waves occasionally around 6 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus51 kcle 211319
nshcle
expires:202605212015;;401933

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez149-212015-
conneaut oh to ripley ny-
919 am edt thu may 21 2026

...small craft advisory in effect through friday evening...

.this afternoon...northeast winds 15 to 25 knots. mostly sunny.
waves 3 to 6 feet. waves occasionally around 7 feet. 
.tonight...northeast winds 15 to 20 knots becoming east. mostly
clear. waves 3 to 5 feet subsiding to 1 to 3 feet. waves
occasionally around 6 feet. 
.friday...east winds 15 to 20 knots becoming northeast. partly
sunny. waves 1 to 3 feet building to 3 to 5 feet. waves
occasionally around 6 feet. 
.friday night...east winds 10 to 15 knots becoming southeast. a
chance of showers in the evening, then showers overnight. waves
2 to 4 feet subsiding to 1 to 3 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus51 kcle 211319
nshcle
expires:202605212015;;401932

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez146>148-212015-
avon point to willowick oh-willowick to geneva-on-the lake oh-
geneva-on-the-lake to conneaut oh-
919 am edt thu may 21 2026

...small craft advisory in effect through friday evening...

.this afternoon...northeast winds 15 to 25 knots. mostly sunny.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.tonight...northeast winds 15 to 25 knots becoming east. mostly
clear. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 3 to
6 feet. waves occasionally around 7 feet. 
.friday night...east winds 15 to 20 knots becoming southeast.
showers likely in the evening, then showers overnight. waves 3 to
5 feet subsiding to 1 to 3 feet. waves occasionally around
6 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus51 kcle 211319
nshcle
expires:202605212015;;401931

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez143>145-212015-
reno beach to the islands oh-the islands to vermilion oh-
vermilion to avon point oh-
919 am edt thu may 21 2026

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

.this afternoon...northeast winds 15 to 25 knots. mostly sunny.
waves 2 to 4 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.tonight...northeast winds 15 to 25 knots becoming east. partly
cloudy. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.friday...east winds 15 to 25 knots. a chance of showers in the
afternoon. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday night...east winds 15 to 25 knots. showers. waves 4 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus53 kdlh 211600
nshdlh
expires:202605212200;;406320

nearshore marine forecast
national weather service duluth mn
1100 am cdt thu may 21 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.


lsz121-212200-
chequamegon bay-bayfield to oak point wi-
1100 am cdt thu may 21 2026

.rest of today...east wind 10 to 15 knots with gusts to around
20 knots. sunny. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming south 5 knots after midnight. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
2 feet building to 2 to 4 feet late in the afternoon. 
.friday night...east wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. slight chance of
rain showers after midnight. waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight. a small craft advisory
may be needed. 

$$

fzus53 kdlh 211600
nshdlh
expires:202605212200;;406311

nearshore marine forecast
national weather service duluth mn
1100 am cdt thu may 21 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.


lsz140-212200-
grand portage to grand marais mn-
1100 am cdt thu may 21 2026

.rest of today...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of rain showers after midnight.
waves 3 to 5 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401730

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz147-212200-
sand island to bayfield wi-
811 am cdt thu may 21 2026

.rest of today...southeast wind 5 knots becoming northeast 10 to
15 knots in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming north 5 knots early in the morning. partly
cloudy in the evening then becoming mostly cloudy. waves 1 to
2 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
2 feet building to 2 to 4 feet late in the afternoon. a small
craft advisory may be needed. 
.friday night...east wind 10 to 15 knots. gusts up to 20 knots in
the evening. rain showers likely after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet early in the morning. a small
craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401724

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz141-212200-
grand marais to taconite harbor mn-
811 am cdt thu may 21 2026

.rest of today...east wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...east wind 15 to 20 knots with gusts to around 25 knots.
mostly sunny. waves 1 to 3 feet building to 3 to 5 feet late in
the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of rain showers after midnight.
waves 3 to 5 feet. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401725

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz142-212200-
taconite harbor to silver bay harbor mn-
811 am cdt thu may 21 2026

.rest of today...northeast wind 5 to 10 knots. mostly sunny.
waves 1 foot or less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. a small craft advisory may be needed. 
.friday night...northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots early in the morning. slight chance of rain showers in
the evening, then rain showers likely after midnight. waves 3 to
5 feet. waves occasionally to 7 feet. a small craft advisory may
be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401726

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz143-212200-
silver bay harbor to two harbors mn-
811 am cdt thu may 21 2026

.rest of today...northeast wind 10 to 15 knots. gusts up to
20 knots late. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 2 to 4 feet
in the afternoon. a small craft advisory may be needed. 
.friday night...northeast wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. slight chance of
rain showers in the evening, then rain showers likely after
midnight. waves 3 to 5 feet. waves occasionally to 7 feet. a
small craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401727

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz144-212200-
two harbors to duluth mn-
811 am cdt thu may 21 2026

...small craft advisory in effect from 4 pm cdt this afternoon
through this evening...

.rest of today...northeast wind 10 to 15 knots. gusts up to
25 knots. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 3 to 5 feet
in the afternoon. waves occasionally to 7 feet. a small craft
advisory may be needed. 
.friday night...northeast wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. chance of rain
showers through the night. waves 3 to 5 feet. waves occasionally
to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401728

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz145-212200-
duluth mn to port wing wi-
811 am cdt thu may 21 2026

...small craft advisory in effect from 4 pm cdt this afternoon
through this evening...

.rest of today...northeast wind 10 to 15 knots. gusts up to
25 knots late. mostly sunny. waves 1 to 2 feet building to 1 to
3 feet late. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. partly cloudy in
the evening then becoming mostly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 3 to 5 feet
in the afternoon. waves occasionally to 7 feet. a small craft
advisory may be needed. 
.friday night...northeast wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. chance of rain
showers through the night. waves 3 to 5 feet. waves occasionally
to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401729

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz146-212200-
port wing to sand island wi-
811 am cdt thu may 21 2026

.rest of today...east wind 5 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late morning and
afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.friday night...northeast wind 10 to 15 knots. gusts up to
20 knots in the evening. slight chance of rain showers in the
evening, then rain showers likely after midnight. waves 3 to
5 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211311
nshdlh
expires:202605212200;;401733

nearshore marine forecast
national weather service duluth mn
811 am cdt thu may 21 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.


lsz148-212200-
oak point to saxon harbor wi-
811 am cdt thu may 21 2026

.rest of today...south wind 5 knots becoming east late in the
morning, then becoming northeast 10 to 15 knots with gusts to
around 20 knots in the afternoon. mostly sunny. waves 1 to
2 feet. 
.tonight...east wind 10 to 15 knots with gusts to around 20 knots
becoming southeast 5 knots after midnight. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
2 feet building to 2 to 4 feet late in the afternoon. 
.friday night...east wind 10 to 15 knots. gusts up to 20 knots
early in the evening. rain showers likely after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet after midnight. a small
craft advisory may be needed. 

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402799

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz442-212200-
harbor beach to port sanilac mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...northeast winds 10 to 15 knots. partly cloudy until
late afternoon becoming mostly sunny. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 1
to 3 feet building to 3 to 5 feet in the late evening and overnight.
waves occasionally around 7 feet. a small craft advisory may be
needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402796

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz422-212200-
inner saginaw bay sw of point au gres to bay port mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 15 to 20 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots becoming east 10 to
15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
1 to 3 feet building to 2 to 4 feet early in the afternoon. 
.friday night...east winds 15 to 20 knots increasing to 20 to 25
knots after midnight. partly cloudy early in the evening becoming
cloudy. rain showers likely after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and early morning, then
building to 2 to 4 feet after midnight. a small craft advisory may be
needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402798

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz441-212200-
port austin to harbor beach mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the afternoon. mostly sunny. waves 2 to 4 feet.
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon. partly cloudy. waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 3
to 5 feet. waves occasionally around 7 feet. a small craft advisory
may be needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402800

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz443-212200-
port sanilac to port huron mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. mostly cloudy. rain showers
likely after midnight. waves 2 to 4 feet building to 3 to 5 feet in
the late evening and overnight. waves occasionally around 7 feet. a
small craft advisory may be needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402801

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lez444-212200-
michigan waters of lake erie from detroit river to north cape mi-
1000 am edt thu may 21 2026

...small craft advisory in effect from 4 pm edt this afternoon
through saturday morning...

.rest of today...northeast winds 10 to 15 knots becoming east
15 to 20 knots in the afternoon. mostly sunny. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.tonight...east winds 15 to 20 knots. mostly clear. waves 3 to
5 feet. waves occasionally around 7 feet. 
.friday...east winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and afternoon. partly cloudy until late
afternoon becoming mostly cloudy. a chance of showers early in
the afternoon. waves 4 to 6 feet. waves occasionally around
8 feet. 
.friday night...east winds 20 to 25 knots. gusts to 30 knots
early in the evening. rain showers likely until early morning,
then showers after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

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

the water temperature at belle isle is missing.

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402797

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz421-212200-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
1000 am edt thu may 21 2026

.rest of today...northeast winds 15 to 20 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
1 to 3 feet building to 2 to 4 feet early in the afternoon. 
.friday night...east winds 15 to 20 knots. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 3
to 5 feet. waves occasionally around 7 feet. a small craft advisory
may be needed.

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

$$

fzus53 kgrb 211556
nshgrb
expires:202605212200;;406147

nearshore marine forecast
national weather service green bay wi
1056 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-212200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1056 am cdt thu may 21 2026

.this afternoon...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly
cloudy. 
.tonight...ne wind 10 to 15 kts veering e in the late evening and
overnight. waves 1 to 3 ft. partly cloudy in the evening then
becoming mostly cloudy. 
.friday...ne wind 10 to 20 kts. waves 1 to 3 ft building to 2 to
4 ft in the afternoon. partly sunny. 
.friday night...ne wind 15 to 25 kts. waves 3 to 5 ft. a chance
of showers in the evening, then showers likely after midnight. a
small craft advisory may be needed.  

$$

fzus53 kgrb 211556
nshgrb
expires:202605212200;;406146

nearshore marine forecast
national weather service green bay wi
1056 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz541-212200-
rock island passage to sturgeon bay wi-
1056 am cdt thu may 21 2026

.this afternoon...ne wind 10 to 15 kts. waves 2 ft or less.
partly sunny. 
.tonight...ne wind 10 to 15 kts veering e in the late evening and
overnight. waves 1 to 3 ft. mostly clear in the evening then
becoming mostly cloudy. 
.friday...e wind 10 to 15 kts backing ne 15 to 25 kts early in
the afternoon. waves 1 to 3 ft building to 3 to 5 ft in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. a small craft advisory may be needed. 
.friday night...e wind 15 to 25 kts. waves 4 to 7 ft subsiding to
2 to 4 ft after midnight. rain showers likely after midnight.  

$$

fzus53 kgrb 211556
nshgrb
expires:202605212200;;406145

nearshore marine forecast
national weather service green bay wi
1056 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-212200-
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-
1056 am cdt thu may 21 2026

.this afternoon...ne wind 10 to 15 kts. waves 2 ft or less.
partly sunny. 
.tonight...e wind 10 to 15 kts. waves 2 ft or less. mostly clear
in the evening then becoming mostly cloudy. 
.friday...e wind 10 to 15 kts backing ne 15 to 25 kts early in
the afternoon. waves 2 ft or less building to 2 to 4 ft in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. a small craft advisory may be needed. 
.friday night...e wind 15 to 25 kts decreasing to 10 to 15 kts in
the late evening and overnight. waves 2 to 4 ft subsiding to 1 to
3 ft after midnight. rain showers likely after midnight.  

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401921

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-212100-
st joseph to south haven mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 15 to 25 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.saturday...east winds 15 to 20 knots backing northwest 10 to
15 knots early in the afternoon. mostly cloudy with rain showers and
a slight chance of thunderstorms. waves around 1 foot. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.memorial day...north winds 5 to 10 knots becoming around 10 knots
early in the afternoon. partly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401916

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-212100-
pentwater to manistee mi-
918 am edt thu may 21 2026

.rest of today...north winds 10 to 20 knots. mostly sunny late in
the morning then becoming mostly cloudy. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 2 feet. 
.saturday...east winds 10 to 20 knots backing northeast early in the
afternoon. rain showers likely. waves around 1 foot. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 foot
or less. 
.memorial day...south winds 5 to 15 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401917

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-212100-
whitehall to pentwater mi-
918 am edt thu may 21 2026

.rest of today...north winds 10 to 15 knots. mostly sunny late in
the morning then becoming mostly cloudy. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...northeast winds 5 to 15 knots backing southwest in
the late morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401918

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-212100-
grand haven to whitehall mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 to 2 feet. 
.tonight...east winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 3 feet. 
.sunday...south winds around 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing west 10 to
15 knots in the late morning and afternoon. partly sunny. waves
1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401919

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-212100-
holland to grand haven mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. partly sunny. waves around 1 foot. 
.tonight...east winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 2 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers and a slight chance of
thunderstorms. waves 1 to 3 feet. 
.sunday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing northwest in the
late morning and afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401920

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-212100-
south haven to holland mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny. waves around 1 foot. 
.tonight...northeast winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday...northeast winds 15 to 20 knots backing northwest early
in the afternoon. rain showers and a slight chance of thunderstorms.
waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing northwest early in
the afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kiwx 211443
nshiwx
expires:202605212015;;404286

nearshore marine forecast
national weather service northern indiana
1043 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-212015-
new buffalo mi to st joseph mi-
1043 am edt thu may 21 2026

.this afternoon...east winds 10 to 15 knots becoming north. mostly
sunny. waves 1 to 2 feet building to 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. partly
cloudy in the evening, then becoming mostly cloudy. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 10 to 15 knots. gusts up to 25 knots.
showers likely in the evening, then showers overnight. waves 1 to
2 feet. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 55 degrees.

$$

fzus53 kiwx 211443
nshiwx
expires:202605212015;;404285

nearshore marine forecast
national weather service northern indiana
1043 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-212015-
michigan city in to new buffalo mi-
1043 am edt thu may 21 2026

.this afternoon...east winds 10 to 15 knots becoming north. gusts
up to 25 knots. mostly sunny. waves 1 to 2 feet building to 2 to
4 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. gusts up
to 25 knots. partly cloudy in the evening, then becoming mostly
cloudy. waves 2 to 4 feet. 
.friday...east winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 2 feet. 
.friday night...east winds 10 to 15 knots becoming northeast.
showers likely in the evening, then showers overnight. waves 1 to
2 feet. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 55 degrees.

$$

fzus53 klot 211515
nshlot
expires:202605212130;;405381

nearshore marine forecast
national weather service chicago/romeoville il
1015 am cdt thu may 21 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>745-212130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
1015 am cdt thu may 21 2026

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

.rest of today...northeast winds 15 to 20 kt increasing to 20 to 
25 kt. partly cloudy. waves 2 to 4 ft building to 3 to 6 ft
occasionally to 8 ft late.
.tonight...northeast winds 20 to 25 kt becoming east and 
diminishing to 10 to 15 kt overnight. partly cloudy in the 
evening, then becoming mostly cloudy. waves 3 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft. 
.friday...east winds 15 to 20 kt becoming northeast. mostly
cloudy. waves 2 to 4 ft. 
.friday night...east winds 15 to 20 kt. chance of showers. waves 
2 to 4 ft. 

$$

fzus53 klot 211515
nshlot
expires:202605212130;;405380

nearshore marine forecast
national weather service chicago/romeoville il
1015 am cdt thu may 21 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>742-212130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
1015 am cdt thu may 21 2026

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

.rest of today...northeast winds 15 to 20 kt increasing to 20 to
25 kt late. mostly cloudy late in the morning, then becoming
partly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.tonight...northeast winds 20 to 25 kt becoming east 15 to 20 kt 
overnight. mostly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.friday...east winds 15 to 25 kt becoming northeast. mostly 
cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.friday night...east winds 20 to 25 kt becoming northeast 15 to
20 kt. a few showers possible. waves 4 to 6 ft occasionally to 8 
ft.

$$

fzus53 kmkx 211410
nshmkx
expires:202605212200;;403549

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-212200-
port washington to north point light wi-
910 am cdt thu may 21 2026

...small craft advisory in effect from this evening through
friday evening...

.rest of today...northeast wind 10 to 15 knots. gusts up to
20 knots. mostly cloudy. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots veering east early in
the morning. gusts up to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.friday...east wind 10 to 15 knots backing northeast early in the
afternoon, then rising to 15 to 20 knots late in the afternoon.
partly sunny. waves 2 to 4 feet. 
.friday night...northeast wind 15 to 20 knots becoming 10 to
20 knots in the late evening and early morning, then becoming
15 to 20 knots early in the morning. chance of showers through
the night. waves 3 to 4 feet building to 5 to 7 feet. 

$$

fzus53 kmkx 211410
nshmkx
expires:202605212200;;403548

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-212200-
sheboygan to port washington wi-
910 am cdt thu may 21 2026

.rest of today...northeast wind 10 to 15 knots. gusts up to
20 knots. mostly cloudy. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming northeast 10 to 15 knots after midnight. mostly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight, then building to 2 to 4 feet early in the morning. 
.friday...northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late morning and
early afternoon, then rising to 15 to 20 knots late in the
afternoon. partly sunny. waves 2 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots late in the evening, then backing northeast 15 to
20 knots after midnight. chance of showers through around
midnight, then showers likely after midnight. waves 3 to 4 feet
building to 4 to 6 feet in the late evening and overnight. 

$$

fzus53 kmkx 211410
nshmkx
expires:202605212200;;403551

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-212200-
wind point wi to winthrop harbor il-
910 am cdt thu may 21 2026

...small craft advisory in effect through friday evening...

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. gusts up to 25 knots. chance of
sprinkles late in the morning and early afternoon. waves 3 to
4 feet. 
.tonight...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then becoming east 15 to 20 knots after
midnight easing to 10 to 15 knots early in the morning. mostly
cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots late in the evening, then becoming 15 to 20 knots after
midnight backing northeast early in the morning. chance of
showers through around midnight, then showers after midnight.
waves 3 to 4 feet building to 4 to 6 feet in the late evening and
overnight. 

$$

fzus53 kmkx 211410
nshmkx
expires:202605212200;;403550

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-212200-
north point light to wind point wi-
910 am cdt thu may 21 2026

...small craft advisory in effect through friday evening...

.rest of today...northeast wind 10 to 15 knots. gusts up to
20 knots. mostly cloudy. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then veering east after midnight. mostly
cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots in the late evening and early morning, then backing
northeast 15 to 20 knots early in the morning. chance of showers
through around midnight, then showers after midnight. waves 3 to
4 feet building to 5 to 7 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404685

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz248-212000-
huron islands to marquette mi-
1101 am edt thu may 21 2026

.rest of today...east wind 10 to 15 knots. sunny. waves calm to
1 foot building to 1 to 2 feet. 
.tonight...southeast wind 5 to 15 knots. clear. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet. 
.friday...southeast wind 5 to 15 knots backing east 15 to
20 knots in the afternoon. partly cloudy. waves building to 2 to
4 feet. 
.friday night...southeast wind 10 to 20 knots. mostly cloudy. a
slight chance of rain showers after midnight. waves 2 to 4 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404684

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz247-212000-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
1101 am edt thu may 21 2026

.rest of today...northeast wind 10 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...east wind 5 to 15 knots becoming less than 10 knots
late. clear. waves building to 2 to 3 feet, then subsiding to
1 to 2 feet. 
.friday...east wind 10 to 20 knots with gusts up to 27 knots.
mostly sunny. waves building to 2 to 4 feet. 
.friday night...east wind 10 to 20 knots. mostly cloudy. a slight
chance of rain showers after midnight. waves 2 to 4 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404683

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz246-212000-
point isabelle to lower entrance of portage canal mi-
1101 am edt thu may 21 2026

.rest of today...east wind 5 to 15 knots. sunny. waves calm to
1 foot building to 1 to 2 feet. 
.tonight...east wind 5 to 15 knots. clear. waves building to 2 to
3 feet, then subsiding to 1 to 2 feet. 
.friday...east wind 10 to 20 knots with gusts up to 27 knots.
partly cloudy. waves building to 3 to 5 feet occasionally to
7 feet. 
.friday night...east wind 15 to 20 knots. mostly cloudy. a slight
chance of rain showers after midnight. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404682

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz244-245-212000-
eagle river to manitou island mi-
manitou island to point isabelle mi-
1101 am edt thu may 21 2026

.rest of today...southeast wind 5 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming 5 to 15 knots
by midnight. clear. waves 1 to 2 feet. 
.friday...east wind 10 to 20 knots. partly cloudy. waves building
to 2 to 4 feet. 
.friday night...southeast wind 15 to 20 knots. partly cloudy in
the evening then becoming cloudy. waves building to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404681

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz242-243-212000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 am edt thu may 21 2026

.rest of today...northeast wind 5 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming 5 to 15 knots
by midnight. clear. waves 1 to 2 feet. 
.friday...east wind 5 to 15 knots increasing to 15 to 20 knots in
the afternoon. mostly sunny. waves building to 1 to 2 feet. 
.friday night...east wind 10 to 20 knots. partly cloudy in the
evening, then cloudy with a chance of rain showers after
midnight. waves building to 2 to 3 feet, then subsiding to 1 to
2 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404680

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz240-241-212000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 am edt thu may 21 2026 /1001 am cdt thu may 21 2026/

.rest of today...northeast wind 5 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering southeast 5 to
15 knots by midnight. mostly clear. waves 1 to 2 feet. 
.friday...east wind 5 to 15 knots. mostly sunny. waves building
to 2 to 3 feet. 
.friday night...east wind 5 to 15 knots. mostly cloudy. a chance
of rain showers after midnight. waves subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404678

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lmz221-212000-
green bay north of line from cedar river mi to rock island
passage-
1101 am edt thu may 21 2026

.rest of today...east wind less than 10 knots. mostly sunny.
waves calm to 1 foot. 
.tonight...east wind 10 to 15 knots. clear through midnight then
becoming partly cloudy. waves building to 1 to 2 feet. 
.friday...east wind 10 to 20 knots. mostly cloudy in the morning
then clearing. waves building to 2 to 3 feet. 
.friday night...east wind 15 to 20 knots with gusts up to
27 knots. cloudy. a chance of rain showers after midnight. waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404688

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz251-212000-
grand marais to whitefish point mi-
1101 am edt thu may 21 2026

.rest of today...northeast wind less than 10 knots. sunny. waves
calm to 1 foot. 
.tonight...east wind less than 10 knots veering southeast by
midnight. clear. waves calm to 1 foot. 
.friday...east wind 5 to 15 knots. mostly sunny. waves building
to 1 to 2 feet. 
.friday night...southeast wind 10 to 20 knots. partly cloudy in
the evening then becoming mostly cloudy. waves building to 2 to
3 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404679

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lmz248-250-212000-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
1101 am edt thu may 21 2026

.rest of today...east wind 5 to 15 knots. mostly sunny. waves
calm to 1 foot building to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots. clear through midnight then
becoming partly cloudy. waves 1 to 2 feet. 
.friday...east wind 10 to 20 knots. mostly cloudy in the morning
then becoming mostly sunny. waves building to 2 to 4 feet. 
.friday night...east wind 15 to 25 knots. cloudy. a chance of
showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404686

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz249-212000-
marquette to munising mi-
1101 am edt thu may 21 2026

.rest of today...northeast wind 5 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...southeast wind 5 to 15 knots becoming less than
10 knots by midnight. clear. waves 1 to 2 feet. 
.friday...east wind 5 to 15 knots. mostly cloudy in the morning
then clearing. waves building to 1 to 2 feet. 
.friday night...southeast wind 10 to 15 knots. mostly cloudy. a
slight chance of rain showers after midnight. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 211501
nshmqt
expires:202605212000;;404687

nearshore marine forecast
national weather service marquette mi
1101 am edt thu may 21 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.


lsz250-212000-
munising to grand marais mi-
1101 am edt thu may 21 2026

.rest of today...northeast wind 5 to 15 knots. sunny. waves calm
to 1 foot building to 1 to 2 feet. 
.tonight...east wind 5 to 15 knots veering southeast less than
10 knots by midnight. clear. waves 1 to 2 feet. 
.friday...east wind 10 to 15 knots. partly cloudy. waves building
to 1 to 2 feet. 
.friday night...southeast wind 10 to 20 knots. mostly cloudy. a
slight chance of rain showers after midnight. waves building to
2 to 3 feet. 

$$