fzus53 kapx 210721
nshapx
expires:202605211530;;389104

nearshore marine forecast
national weather service gaylord mi
321 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.


lhz345-211530-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming 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
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 5 to 8 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389105

nearshore marine forecast
national weather service gaylord mi
321 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.


lhz346-211530-
st ignace to false detour channel-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming 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. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. mostly cloudy. waves
6 to 9 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389106

nearshore marine forecast
national weather service gaylord mi
321 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.


lhz347-211530-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming partly 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. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 7 to 10 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389107

nearshore marine forecast
national weather service gaylord mi
321 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.


lhz348-211530-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
321 am edt thu may 21 2026

.today...east wind 10 to 15 knots early in the morning becoming
variable 10 knots or less. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 5 to 8 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389108

nearshore marine forecast
national weather service gaylord mi
321 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.


lhz349-211530-
sturgeon pt to alabaster mi-
321 am edt thu may 21 2026

.today...northeast wind 10 to 20 knots. sunny early in the
morning then becoming partly 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
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389101

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz323-211530-
grand traverse bay south of a line grand traverse light to
norwood mi-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots becoming northeast in the
afternoon. sunny early in the morning then becoming partly 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. chance of showers.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389099

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz341-211530-
seul choix point to 5nm west of mackinac bridge-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming 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. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389100

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz342-211530-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming partly 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. partly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 3 to 5 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389102

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz344-345-211530-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
321 am edt thu may 21 2026

.today...northeast wind 5 to 10 knots. mostly sunny early in the
morning then becoming partly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. mostly 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 210721
nshapx
expires:202605211530;;389103

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz346-211530-
manistee to point betsie mi-
321 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. mostly sunny early in the
morning then becoming mostly cloudy. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. mostly 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. rain showers likely.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389097

nearshore marine forecast
national weather service gaylord mi
321 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.


lsz321-211530-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
321 am edt thu may 21 2026

.today...light winds. mostly clear. 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 15 to 20 knots. mostly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389098

nearshore marine forecast
national weather service gaylord mi
321 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.


lsz322-211530-
st. marys river point iroquois to e. potagannissing bay-
321 am edt thu may 21 2026

.today...light winds. sunny early in the morning then becoming
mostly sunny. 
.tonight...light winds. partly cloudy. 
.friday...east wind 10 to 15 knots. mostly sunny. 
.friday night...east wind 15 to 20 knots. mostly cloudy. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 210804
nshbuf
expires:202605211500;;390443

nearshore marine forecast
national weather service buffalo ny
404 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-loz030-211500-
upper niagara river and buffalo harbor-lower niagara river-
404 am edt thu may 21 2026

.today...northeast winds 5 to 10 knots. becoming mostly 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 55 degrees.

$$

fzus51 kbuf 210804
nshbuf
expires:202605211500;;390447

nearshore marine forecast
national weather service buffalo ny
404 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.


loz045-211500-
mexico bay to the saint lawrence river along lake ontario-
404 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots becoming north 5 to
15 knots. mostly sunny. waves 1 to 3 feet subsiding to 1 foot or
less. 
.tonight...north winds 5 to 10 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 210804
nshbuf
expires:202605211500;;390446

nearshore marine forecast
national weather service buffalo ny
404 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.


loz043-044-211500-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
404 am edt thu may 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...northeast winds 15 to 20 knots diminishing to 5 to
15 knots. becoming mostly sunny. waves 3 to 6 feet subsiding to
1 to 3 feet. waves occasionally around 7 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 210804
nshbuf
expires:202605211500;;390445

nearshore marine forecast
national weather service buffalo ny
404 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.


loz042-211500-
niagara river to hamlin beach along lake ontario-
404 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots becoming east 5 to
15 knots. mostly sunny. waves 1 to 3 feet. 
.tonight...east winds 10 knots or less. 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 210804
nshbuf
expires:202605211500;;390444

nearshore marine forecast
national weather service buffalo ny
404 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.


lez040-041-211500-
buffalo to ripley along lake erie-
404 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots increasing to 15 to
20 knots. mostly cloudy this morning, then 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 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 210753
nshcle
expires:202605211415;;389858

nearshore marine forecast
national weather service cleveland oh
353 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>145-211415-
reno beach to the islands oh-the islands to vermilion oh-
vermilion to avon point oh-
353 am edt thu may 21 2026

...small craft advisory in effect from 8 am edt this morning
through saturday morning...

.today...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.

$$

fzus51 kcle 210753
nshcle
expires:202605211415;;389859

nearshore marine forecast
national weather service cleveland oh
353 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>148-211415-
avon point to willowick oh-willowick to geneva-on-the lake oh-
geneva-on-the-lake to conneaut oh-
353 am edt thu may 21 2026

...small craft advisory in effect from 8 am edt this morning
through friday evening...

.today...northeast winds 15 to 25 knots. mostly sunny. waves 2 to
4 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 210753
nshcle
expires:202605211415;;389860

nearshore marine forecast
national weather service cleveland oh
353 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.


lez149-211415-
conneaut oh to ripley ny-
353 am edt thu may 21 2026

...small craft advisory in effect from 8 am edt this morning
through friday evening...

.today...northeast winds 15 to 25 knots. mostly sunny. waves 1 to
3 feet building to 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 210753
nshcle
expires:202605211415;;389857

nearshore marine forecast
national weather service cleveland oh
353 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.


lez142-211415-
maumee bay to reno beach oh-
353 am edt thu may 21 2026

...small craft advisory in effect from 8 am edt this morning
through saturday morning...

.today...northeast winds 15 to 25 knots becoming east. sunny.
waves 2 to 4 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.

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395770

nearshore marine forecast
national weather service duluth mn
517 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.


lsz148-211600-
oak point to saxon harbor wi-
517 am cdt thu may 21 2026

.today...south wind 5 knots becoming east late in the morning,
then becoming northeast 10 to 15 knots in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.tonight...east wind 5 to 10 knots becoming south after midnight.
partly cloudy in the evening then becoming mostly cloudy. waves
1 to 2 feet. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 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
1 to 3 feet. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395769

nearshore marine forecast
national weather service duluth mn
517 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.


lsz121-211600-
chequamegon bay-bayfield to oak point wi-
517 am cdt thu may 21 2026

.today...variable winds 10 knots or less becoming southeast
5 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. mostly sunny. waves 1 foot or less. 
.tonight...northeast wind 5 to 10 knots becoming south after
midnight, then becoming variable 10 knots or less early in the
morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 foot or less. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet. 
.friday night...east wind 5 to 10 knots. slight chance of rain
showers in the evening, then rain showers likely after midnight.
waves 1 to 2 feet. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395760

nearshore marine forecast
national weather service duluth mn
517 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.


lsz140-211600-
grand portage to grand marais mn-
517 am cdt thu may 21 2026

.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 25 knots
decreasing to 20 knots after midnight. chance of rain showers
after midnight. waves 3 to 5 feet. a small craft advisory may be
needed. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395761

nearshore marine forecast
national weather service duluth mn
517 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.


lsz141-211600-
grand marais to taconite harbor mn-
517 am cdt thu may 21 2026

.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 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. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395762

nearshore marine forecast
national weather service duluth mn
517 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.


lsz142-211600-
taconite harbor to silver bay harbor mn-
517 am cdt thu may 21 2026

.today...northeast wind 5 to 10 knots. mostly sunny. waves 1 foot
or less. 
.tonight...northeast wind 5 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 211017
nshdlh
expires:202605211600;;395763

nearshore marine forecast
national weather service duluth mn
517 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.


lsz143-211600-
silver bay harbor to two harbors mn-
517 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 5 to 10 knots. gusts up to 20 knots
early in the evening. 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. 
.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 211017
nshdlh
expires:202605211600;;395764

nearshore marine forecast
national weather service duluth mn
517 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.


lsz144-211600-
two harbors to duluth mn-
517 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots. gusts up to 20 knots in
the afternoon. 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 3 feet. 
.friday...northeast wind 20 to 25 knots with gusts to around
30 knots. mostly sunny. waves 1 to 2 feet building to 3 to 5 feet
in the afternoon. a small craft advisory may be needed. 
.friday night...northeast wind 20 to 25 knots easing to 10 to
15 knots with gusts to around 20 knots after midnight. chance of
rain showers through the night. waves 3 to 5 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395765

nearshore marine forecast
national weather service duluth mn
517 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.


lsz145-211600-
duluth mn to port wing wi-
517 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots. gusts up to 20 knots in
the 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 20 to 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 20 to 25 knots easing to 10 to
15 knots with gusts to around 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 211017
nshdlh
expires:202605211600;;395766

nearshore marine forecast
national weather service duluth mn
517 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.


lsz146-211600-
port wing to sand island wi-
517 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet. 
.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. 
.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 211017
nshdlh
expires:202605211600;;395767

nearshore marine forecast
national weather service duluth mn
517 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.


lsz147-211600-
sand island to bayfield wi-
517 am cdt thu may 21 2026

.today...southeast wind 5 knots becoming east in the afternoon.
mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 5 to 10 knots becoming southeast after
midnight, then becoming variable 10 knots or less early in the
morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 to 2 feet. 
.friday...northeast wind 10 to 15 knots with gusts to around
25 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 25 knots.
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 kdtx 210757
nshdtx
expires:202605211600;;389938

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lhz443-211600-
port sanilac to port huron mi-
357 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the afternoon. mostly sunny. waves 1 to 3 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...east winds 10 to 15 knots. partly cloudy. waves 2 to
4 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 4 to 6 feet building to 5 to 7 feet
after midnight. waves occasionally around 10 feet. a small craft
advisory may be needed.

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

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389935

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lhz421-211600-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
357 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy. waves
1 to 3 feet. 
.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 in the late morning and
afternoon. 
.friday night...east winds 15 to 20 knots. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 4
to 6 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 210757
nshdtx
expires:202605211600;;389934

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lhz422-211600-
inner saginaw bay sw of point au gres to bay port mi-
357 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.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 after midnight. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
2 to 4 feet. 
.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 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 210757
nshdtx
expires:202605211600;;389936

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lhz441-211600-
port austin to harbor beach mi-
357 am edt thu may 21 2026

.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. 
.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 building to 5 to 7 feet after midnight. waves occasionally
around 10 feet. a small craft advisory may be needed.

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

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389937

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lhz442-211600-
harbor beach to port sanilac mi-
357 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots. mostly sunny. waves 1 to
3 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 2 to 4 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 4
to 6 feet building to 5 to 7 feet after midnight. waves occasionally
around 10 feet. a small craft advisory may be needed.

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

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389939

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 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.


lez444-211600-
michigan waters of lake erie from detroit river to north cape mi-
357 am edt thu may 21 2026

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

.today...northeast winds 15 to 20 knots diminishing to 10 to
15 knots late in the morning, then becoming east 15 to 20 knots
in the afternoon. mostly sunny. waves 2 to 4 feet. 
.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 kgrb 210928
nshgrb
expires:202605211600;;393737

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

for waters within five nautical miles of shore on lake michigan


lmz542-543-211600-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
428 am cdt thu may 21 2026

.early this morning...ne wind 10 to 15 kts. waves 1 to 3 ft.
mostly clear. 
.today...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy in
the morning then becoming 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 210928
nshgrb
expires:202605211600;;393735

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

for waters within five nautical miles of shore on lake michigan


lmz521-522-211600-
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-
428 am cdt thu may 21 2026

.early this morning...ne wind 5 to 10 kts. waves 2 ft or less.
clear.
.today...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. partly cloudy
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 kgrb 210928
nshgrb
expires:202605211600;;393736

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

for waters within five nautical miles of shore on lake michigan


lmz541-211600-
rock island passage to sturgeon bay wi-
428 am cdt thu may 21 2026

.early this morning...ne wind 10 to 15 kts. waves 2 ft or less.
clear.
.today...ne wind 10 to 15 kts. waves 2 ft or less. partly cloudy.
.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 3 to 5 ft subsiding to
2 to 4 ft after midnight. rain showers likely after midnight.  

$$

fzus53 kiwx 210754
nshiwx
expires:202605211415;;389902

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

for waters within five nautical miles of shore on lake michigan


lmz043-211415-
new buffalo mi to st joseph mi-
354 am edt thu may 21 2026

.today...east winds 10 to 15 knots becoming north. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. partly
cloudy in the evening, then becoming mostly cloudy. waves 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 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 kiwx 210754
nshiwx
expires:202605211415;;389901

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

for waters within five nautical miles of shore on lake michigan


lmz046-211415-
michigan city in to new buffalo mi-
354 am edt thu may 21 2026

.today...east winds 10 to 15 knots becoming north. gusts up to 20
knots. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. gusts up
to 20 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 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 klot 210807
nshlot
expires:202605211515;;390766

nearshore marine forecast
national weather service chicago/romeoville il
307 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>745-211515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
307 am cdt thu may 21 2026

...small craft advisory in effect until 7 am cdt this morning...

.today...east winds 15 to 20 kt becoming northeast 15 to 25 kt 
late. partly cloudy. waves 3 to 6 ft occasionally to 8 ft early
subsiding to 3 to 5 ft.
.tonight...northeast winds 15 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 5 ft subsiding
to 2 to 4 ft. 
.friday...east winds 15 to 20 kt becoming northeast. chance of
showers in the afternoon. waves 2 to 4 ft. 
.friday night...east winds 10 to 20 kt. showers and slight chance
of thunderstorms. waves 2 to 4 ft.  

$$

fzus53 klot 210807
nshlot
expires:202605211515;;390765

nearshore marine forecast
national weather service chicago/romeoville il
307 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>742-211515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
307 am cdt thu may 21 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.today...northeast winds 15 to 25 kt. mostly cloudy in the 
morning, then becoming partly cloudy. waves 3 to 6 ft 
occasionally to 8 ft subsiding to 3 to 5 ft. 
.tonight...northeast winds 15 to 25 kt becoming east 10 to 20 kt
overnight. mostly cloudy. waves 3 to 5 ft. 
.friday...east winds 15 to 25 kt becoming northeast. slight
chance of showers in the afternoon. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.friday night...east winds 20 to 25 kt becoming northeast 15 to
20 kt. showers likely. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus53 kmkx 211010
nshmkx
expires:202605211600;;395527

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

for waters within five nautical miles of shore on lake michigan


lmz643-211600-
sheboygan to port washington wi-
510 am cdt thu may 21 2026

.today...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming northeast 10 to 15 knots in
the afternoon. partly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots veering east after midnight. partly cloudy through
around midnight then becoming mostly cloudy. waves 2 to 4 feet. 
.friday...northeast wind 10 to 15 knots rising to 15 to 20 knots
early in the afternoon, then becoming northeast 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 211010
nshmkx
expires:202605211600;;395528

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

for waters within five nautical miles of shore on lake michigan


lmz644-211600-
port washington to north point light wi-
510 am cdt thu may 21 2026

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

.today...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming northeast 10 to 15 knots in
the afternoon. mostly cloudy. 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. partly cloudy through around midnight then becoming
mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the afternoon,
then rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 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 211010
nshmkx
expires:202605211600;;395529

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

for waters within five nautical miles of shore on lake michigan


lmz645-211600-
north point light to wind point wi-
510 am cdt thu may 21 2026

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

.today...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming northeast 10 to 15 knots early
in the afternoon backing north with gusts to around 20 knots late
in the afternoon. partly sunny. waves 3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 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. partly sunny. 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 4 to
6 feet building to 5 to 7 feet after midnight. 

$$

fzus53 kmkx 211010
nshmkx
expires:202605211600;;395530

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

for waters within five nautical miles of shore on lake michigan


lmz646-211600-
wind point wi to winthrop harbor il-
510 am cdt thu may 21 2026

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

.today...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming northeast 10 to 15 knots early
in the afternoon becoming north 15 to 20 knots late in the
afternoon. chance of sprinkles early in the afternoon. waves 3 to
4 feet. 
.tonight...north wind 15 to 20 knots veering east after midnight.
partly cloudy through around midnight then becoming 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 kmqt 210902
nshmqt
expires:202605212000;;392636

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...south wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...southeast wind less than 10 knots backing northeast 5 to
15 knots by late morning. sunny. waves 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 2 to 3 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 subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392634

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...northeast wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...east wind 5 to 15 knots. mostly sunny. waves 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 3 to 5 feet
occasionally to 7 feet. 
.friday night...east wind 15 to 25 knots. cloudy. a chance of
showers after midnight. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392633

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

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

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392643

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...variable wind less than 10 knots becoming northeast less
than 10 knots by late morning. 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 210902
nshmqt
expires:202605212000;;392642

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...variable wind less than 10 knots becoming northeast 5 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...east wind less than 10 knots veering southeast 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. 

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392641

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...southeast wind less than 10 knots backing east 5 to
15 knots by late morning. sunny. waves 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 210902
nshmqt
expires:202605212000;;392640

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...southeast wind less than 10 knots backing east 10 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots diminishing to less than
10 knots by midnight. 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 210902
nshmqt
expires:202605212000;;392639

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...east wind less than 10 knots increasing to 10 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...east wind 5 to 15 knots veering southeast less than
10 knots by midnight, then backing east 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 210902
nshmqt
expires:202605212000;;392635

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026 /402 am cdt thu may 21 2026/

.early this morning...south wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...southeast wind less than 10 knots backing northeast 5 to
15 knots by late morning. sunny. waves 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 210902
nshmqt
expires:202605212000;;392638

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...variable wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...southeast wind less than 10 knots backing east 10 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering southeast less than
10 knots by midnight, then backing east 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.
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 210902
nshmqt
expires:202605212000;;392637

nearshore marine forecast
national weather service marquette mi
502 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-
502 am edt thu may 21 2026

.early this morning...south wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...south wind less than 10 knots backing southeast by late
morning. sunny. waves 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. 

$$