fzus53 kapx 181829
nshapx
expires:202603190230;;912008

nearshore marine forecast
national weather service gaylord mi
229 pm edt wed mar 18 2026

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

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


lmz345-346-190230-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
229 pm edt wed mar 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...south wind 10 to 20 knots. gusts to 25
knots. patchy freezing drizzle. waves 4 to 7 feet. waves 
occasionally around 9 feet. 
.tonight...west wind 10 to 15 knots. cloudy. waves 4 to 6 feet. 
.thursday...light winds. partly sunny. waves 2 feet or less. 
.thursday night...south wind 10 to 15 knots. mostly cloudy. waves
2 feet or less. 
.friday...west wind 10 to 15 knots. mostly cloudy. waves 2 to
3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914344

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
303 pm edt wed mar 18 2026

.through early evening...south winds 15 to 25 knots. mostly cloudy.
waves 3 to 5 feet. 
.tonight...southwest winds 10 to 15 knots veering west after
midnight. mostly cloudy. a chance of rain after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and overnight. 
.thursday...northwest winds 5 to 10 knots veering north in the late
morning and afternoon. rain likely. waves around 1 foot. 
.thursday night...north winds 5 to 10 knots veering southeast in the
late evening and early morning, then veering south 10 to 15 knots
after midnight. partly cloudy. waves 1 foot or less. 
.friday...southwest winds 10 to 20 knots veering west early in the
afternoon. mostly cloudy. waves 1 to 2 feet. 
.friday night...north winds 10 to 15 knots. mostly cloudy. waves
1 to 2 feet. 
.saturday...north winds 10 to 15 knots backing west in the late
morning and early afternoon, then backing southwest early in the
afternoon. partly sunny. waves 1 to 2 feet. 
.sunday...north winds to 30 knots. mostly cloudy. waves 5 to 7 feet.
.monday...north winds 15 to 25 knots decreasing to around 15 knots
early in the afternoon. mostly sunny. waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. 

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914343

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
303 pm edt wed mar 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...south winds 20 to 25 knots. mostly cloudy.
waves 5 to 7 feet. 
.tonight...southwest winds 10 to 20 knots veering west after
midnight. mostly cloudy. a chance of rain after midnight. waves 4 to
6 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 10 knots. partly sunny with a chance of
rain. waves 1 to 2 feet. 
.thursday night...north winds 5 to 10 knots veering southeast in the
late evening and early morning, then veering south 10 to 15 knots
after midnight. partly cloudy. waves 1 foot or less. 
.friday...southwest winds 15 to 20 knots veering west early in the
afternoon. mostly cloudy. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots. mostly cloudy. waves
1 to 3 feet. 
.saturday...northeast winds 10 to 20 knots backing southwest in the
late morning and afternoon. partly sunny. waves 1 to 3 feet. 
.sunday...north winds to 30 knots. mostly cloudy. waves 4 to 6 feet.
.monday...north winds to 30 knots decreasing to 10 to 15 knots early
in the afternoon. mostly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914342

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
303 pm edt wed mar 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...south winds to 30 knots. mostly cloudy.
waves 6 to 9 feet. 
.tonight...southwest winds 15 to 25 knots veering west 10 to
15 knots after midnight. mostly cloudy. a chance of rain after
midnight. waves 5 to 7 feet subsiding to 2 to 3 feet. 
.thursday...north winds 5 to 10 knots. partly sunny with a chance of
rain. waves 1 to 2 feet. 
.thursday night...north winds 5 to 10 knots veering southeast in the
late evening and early morning, then veering south 10 to 15 knots
after midnight. partly cloudy. waves 1 foot or less. 
.friday...southwest winds 15 to 20 knots veering west in the late
morning and afternoon. mostly cloudy. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots. mostly cloudy. waves
1 to 3 feet. 
.saturday...north winds 10 to 20 knots veering south in the late
morning and afternoon. mostly cloudy. waves 1 to 3 feet. 
.sunday...north winds to 30 knots. mostly cloudy. waves 3 to 5 feet.
.monday...north winds 15 to 25 knots decreasing to 10 to 15 knots
early in the afternoon. mostly sunny. waves 1 to 3 feet.

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914341

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
303 pm edt wed mar 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...south winds to 30 knots. mostly cloudy with
a slight chance of snow. waves 7 to 10 feet. 
.tonight...southwest winds 15 to 25 knots veering west 10 to
15 knots after midnight. mostly cloudy. a chance of rain after
midnight. waves 6 to 8 feet subsiding to 3 to 5 feet in the late
evening and overnight. 
.thursday...northwest winds 5 to 10 knots veering north in the late
morning and afternoon. partly sunny with a chance of rain. waves
1 to 3 feet. 
.thursday night...north winds 5 to 15 knots veering southeast in the
late evening and overnight. mostly cloudy. waves 1 foot or less. 
.friday...south winds 15 to 20 knots veering west early in the
afternoon. mostly cloudy. waves 1 to 3 feet. 
.friday night...northwest winds 10 to 15 knots. mostly cloudy. waves
1 to 3 feet. 
.saturday...northwest winds 10 to 20 knots backing south in the late
morning and afternoon. mostly cloudy. waves 1 to 3 feet. 
.sunday...north winds to 30 knots. mostly cloudy. waves 5 to 7 feet.
.monday...north winds 15 to 25 knots decreasing to around 15 knots
early in the afternoon. mostly sunny. waves 3 to 5 feet subsiding to
2 to 3 feet early in the afternoon. 

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914340

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
303 pm edt wed mar 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...south winds to 30 knots. mostly cloudy with
a slight chance of snow. waves 6 to 9 feet. 
.tonight...southwest winds 15 to 25 knots veering west 10 to
15 knots after midnight. mostly cloudy. a slight chance of rain
after midnight. waves 6 to 8 feet subsiding to 4 to 6 feet in the
late evening and overnight. 
.thursday...north winds 5 to 10 knots. partly sunny with a slight
chance of rain. waves 1 to 3 feet. 
.thursday night...northeast winds 5 to 15 knots veering south in the
late evening and overnight. mostly cloudy. waves 1 foot or less. 
.friday...southwest winds 10 to 20 knots veering west early in the
afternoon. mostly cloudy. waves 2 to 3 feet. 
.friday night...northwest winds 5 to 15 knots. mostly cloudy. waves
2 to 3 feet. 
.saturday...northwest winds 10 to 20 knots backing southwest in the
late morning and afternoon. mostly cloudy. waves 1 to 3 feet. 
.sunday...north winds to 30 knots. mostly cloudy. waves 5 to 7 feet.
.monday...north winds 15 to 25 knots decreasing to 10 to 20 knots
early in the afternoon. mostly sunny. waves 4 to 6 feet subsiding to
2 to 3 feet early in the afternoon. 

$$

fzus53 kgrr 181904
nshgrr
expires:202603190800;;914345

nearshore marine forecast
national weather service grand rapids mi
303 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-190800-
st joseph to south haven mi-
303 pm edt wed mar 18 2026

.through early evening...south winds 15 to 20 knots. partly sunny.
waves 2 to 4 feet. 
.tonight...south winds 10 to 15 knots veering southwest 5 to
10 knots in the late evening and overnight. partly cloudy in the
evening, then mostly cloudy with a chance of rain after midnight.
waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots veering northeast in the late
morning and afternoon. partly sunny with a chance of rain. waves
1 foot or less. 
.thursday night...northeast winds 5 to 10 knots veering southeast in
the late evening and early morning, then veering south 10 to
15 knots after midnight. partly cloudy. waves 1 foot or less. 
.friday...southwest winds 10 to 15 knots veering west early in the
afternoon. mostly cloudy. waves around 1 foot. 
.friday night...north winds 10 to 15 knots. mostly cloudy. waves
around 1 foot. 
.saturday...north winds 10 to 15 knots backing west in the late
morning and afternoon. partly sunny. waves around 1 foot. 
.sunday...north winds to 30 knots. mostly cloudy. waves 5 to 7 feet
building to 6 to 8 feet early in the afternoon. 
.monday...northeast winds 15 to 25 knots backing north 10 to
15 knots early in the afternoon. mostly sunny. waves 5 to 7 feet. 

$$

fzus53 kiwx 182003
nshiwx
expires:202603190215;;916191

nearshore marine forecast
national weather service northern indiana
403 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-190215-
michigan city in to new buffalo mi-
403 pm edt wed mar 18 2026

.tonight...south winds 10 knots or less becoming southwest. a
chance of rain showers late. waves 1 foot or less. 
.thursday...southeast winds less than 10 knots becoming
northeast. a chance of rain showers. waves 1 foot or less. 
.thursday night...northeast winds 10 knots or less becoming
south. partly cloudy in the evening, then becoming mostly cloudy.
waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots becoming northwest.
mostly cloudy. waves 1 foot or less. 

the water temperature at st. joseph and at michigan city is 38
degrees.

$$

fzus53 kiwx 182003
nshiwx
expires:202603190215;;916192

nearshore marine forecast
national weather service northern indiana
403 pm edt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-190215-
new buffalo mi to st joseph mi-
403 pm edt wed mar 18 2026

.tonight...south winds 10 knots or less becoming southwest. a
chance of rain showers late. waves 2 feet or less. 
.thursday...south winds less than 10 knots becoming north. a
chance of rain showers. waves 1 foot or less. 
.thursday night...northeast winds 10 knots or less becoming
south. partly cloudy in the evening, then becoming mostly cloudy.
waves 1 foot or less. 
.friday...south winds 5 to 10 knots becoming west. mostly cloudy.
waves 2 feet or less. 

the water temperature at st. joseph and at michigan city is 38
degrees.

$$

fzus53 klot 181947
nshlot
expires:202603190600;;915819

nearshore marine forecast
national weather service chicago/romeoville il
247 pm cdt wed mar 18 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>742-190600-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
247 pm cdt wed mar 18 2026

.tonight...southwest winds 10 to 15 kt becoming variable 5 to 
10 kt overnight. slight chance of showers after midnight. waves 
1 to 3 ft subsiding to around 1 ft.
.thursday...east winds 5 to 10 kt. chance of showers in the 
morning. waves around 1 ft. 
.thursday night...east winds around 10 kt becoming south
overnight. mostly cloudy. waves 1 to 2 ft.
.friday...southwest winds 10 to 15 kt becoming west in the
afternoon. mostly cloudy. waves 1 to 2 ft.

$$

fzus53 klot 181947
nshlot
expires:202603190600;;915820

nearshore marine forecast
national weather service chicago/romeoville il
247 pm cdt wed mar 18 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>745-190600-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
247 pm cdt wed mar 18 2026

.tonight...southwest winds 10 to 15 kt becoming variable 5 to 
10 kt overnight. slight chance of showers after midnight. waves 
1 to 3 ft subsiding to around 1 ft. 
.thursday...southeast winds 5 to 10 kt becoming east. chance of 
showers in the morning. waves around 1 ft. 
.thursday night...east winds around 10 kt becoming south
overnight. mostly cloudy. waves 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt becoming west in the
afternoon. mostly cloudy. waves 1 to 2 ft.  

$$

fzus53 kmkx 182011
nshmkx
expires:202603190900;;917183

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-190900-
sheboygan to port washington wi-
311 pm cdt wed mar 18 2026

...small craft advisory in effect until 5 pm cdt this afternoon...

.through early evening...southwest wind 10 to 15 knots. cloudy.
waves 4 to 6 feet subsiding to 3 to 5 feet late in the afternoon.
.tonight...southwest wind 5 to 10 knots veering west early in the
morning. slight chance of rain late in the evening. chance of
rain after midnight. waves 3 to 4 feet subsiding to 1 to 2 feet
after midnight. 
.thursday...north wind 5 to 10 knots veering northeast in the
afternoon. chance of rain in the morning. waves around 1 foot. 
.thursday night...southeast wind 5 to 10 knots veering south late
in the evening, then rising to 10 to 15 knots after midnight
veering southwest early in the morning. mostly cloudy. waves
around 1 foot. 
.friday...southwest wind 10 to 15 knots veering northwest late in
the afternoon. mostly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 182011
nshmkx
expires:202603190900;;917184

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-190900-
port washington to north point light wi-
311 pm cdt wed mar 18 2026

...small craft advisory in effect until 5 pm cdt this afternoon...

.through early evening...southwest wind 5 to 15 knots. mostly
cloudy. waves 3 to 4 feet. 
.tonight...southwest wind 5 to 10 knots veering west after
midnight. slight chance of rain late in the evening. chance of
rain after midnight, then rain likely early in the morning. waves
2 to 4 feet subsiding to 1 to 2 feet in the late evening and
overnight. 
.thursday...northwest wind 5 to 10 knots veering northeast late
in the afternoon. chance of rain in the morning. waves around
1 foot. 
.thursday night...east wind 5 to 10 knots veering south late in
the evening, then becoming south 5 to 10 knots after midnight
becoming southwest 10 to 15 knots early in the morning. mostly
cloudy. waves around 1 foot. 
.friday...southwest wind 10 to 15 knots veering northwest late in
the afternoon. mostly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 182011
nshmkx
expires:202603190900;;917185

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-190900-
north point light to wind point wi-
311 pm cdt wed mar 18 2026

...small craft advisory in effect until 5 pm cdt this afternoon...

.through early evening...southwest wind 5 to 10 knots becoming
5 to 15 knots late in the afternoon. mostly cloudy. waves 2 to
4 feet. 
.tonight...southwest wind 5 to 10 knots veering west after
midnight, then backing southwest early in the morning. slight
chance of rain late in the evening. chance of rain after
midnight. waves around 1 foot. 
.thursday...north wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
backing northeast late in the afternoon. patchy fog in the
morning. chance of rain in the morning. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots veering southeast late
in the evening, then veering south after midnight becoming
southwest 10 to 15 knots early in the morning. mostly cloudy.
waves around 1 foot. 
.friday...southwest wind 10 to 15 knots veering northwest late in
the afternoon. mostly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 182011
nshmkx
expires:202603190900;;917186

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed mar 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-190900-
wind point wi to winthrop harbor il-
311 pm cdt wed mar 18 2026

...small craft advisory in effect until 5 pm cdt this afternoon...

.through early evening...southwest wind 5 to 10 knots. partly
sunny. waves 2 to 4 feet. 
.tonight...southwest wind 5 to 10 knots veering west after
midnight, then backing southwest early in the morning. chance of
rain after midnight. waves around 1 foot. 
.thursday...northeast wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
backing northeast late in the afternoon. chance of rain in the
morning. waves around 1 foot. 
.thursday night...northeast wind 5 to 10 knots veering southeast
late in the evening, then veering south after midnight becoming
southwest 10 to 15 knots early in the morning. mostly cloudy.
waves around 1 foot. 
.friday...southwest wind 10 to 15 knots veering west late in the
morning, then becoming west 10 to 15 knots early in the afternoon
becoming northwest 5 to 10 knots late in the afternoon. mostly
cloudy. waves around 1 foot. 

$$