fzus53 kgrb 151940
nshgrb
expires:202604152200;;423990

nearshore marine forecast
national weather service green bay wi
240 pm cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-152200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
240 pm cdt wed apr 15 2026

...dense fog advisory in effect until 10 am cdt thursday...

.this afternoon...ne wind 5 to 10 kts. waves 2 ft or less. areas
of dense fog. a chance of light rain and a slight chance of
thunderstorms. 
.tonight...ne wind 5 to 10 kts. waves 2 ft or less. areas of
dense fog. light rain likely in the evening. a chance of
thunderstorms. a chance of light rain after midnight. 
.thursday...n wind 5 to 10 kts veering ne early in the afternoon.
waves 2 ft or less. areas of dense fog in the morning. patchy fog
in the afternoon. . 
.thursday night...s wind 5 to 10 kts. waves 2 ft or less. partly
cloudy in the evening then becoming mostly cloudy.  

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418916

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-160800-
holland to grand haven mi-
223 pm edt wed apr 15 2026

...dense fog advisory in effect until 8 am edt thursday...

.through early evening...southwest winds 15 to 20 knots. cloudy with
a chance of showers and thunderstorms. patchy dense fog. waves 2 to
3 feet. 
.tonight...south winds 10 to 15 knots. rain showers and a chance of
thunderstorms. patchy dense fog. waves 1 to 3 feet. 
.thursday...southwest winds around 15 knots veering northwest early
in the afternoon. rain showers likely and a chance of thunderstorms.
patchy dense fog. waves 1 to 2 feet. 
.thursday night...northwest winds 10 to 15 knots backing southwest
5 to 10 knots after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...south winds 5 to 15 knots. partly sunny. waves around
1 foot. 
.friday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 1 to 3 feet building to 3 to 5 feet in the
late evening and overnight. 
.saturday...southwest winds to 30 knots veering west in the late
morning and afternoon. rain showers. waves 4 to 6 feet. 
.sunday...west gales to 35 knots veering northwest to 30 knots early
in the afternoon. mostly sunny. waves 7 to 11 feet. 
.monday...northeast winds 15 to 20 knots veering southwest 10 to
15 knots in the late morning and afternoon. sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418918

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-160800-
st joseph to south haven mi-
223 pm edt wed apr 15 2026

.through early evening...southwest winds around 15 knots. rain
showers likely and a chance of thunderstorms. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots. rain showers likely and a
chance of thunderstorms. patchy fog after midnight. waves 1 to
2 feet. 
.thursday...southwest winds around 15 knots veering west early in
the afternoon. rain showers likely and a chance of thunderstorms.
waves 1 to 2 feet. 
.thursday night...northwest winds 5 to 10 knots backing southwest
after midnight. partly cloudy. waves around 1 foot. 
.friday...southeast winds 5 to 15 knots. partly sunny. waves 1 foot
or less. 
.friday night...south winds 15 to 25 knots. rain showers and a
chance of thunderstorms. waves 1 to 3 feet. 
.saturday...southwest winds 20 to 25 knots veering west to 30 knots
in the late morning and afternoon. rain showers. waves 3 to 5 feet. 
.sunday...northwest winds to 30 knots. mostly sunny. waves 6 to
9 feet. 
.monday...northeast winds 10 to 20 knots veering southeast in the
late morning and early afternoon, then veering southwest early in
the afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418915

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-160800-
grand haven to whitehall mi-
223 pm edt wed apr 15 2026

...dense fog advisory in effect until 8 am edt thursday...

.through early evening...south winds 15 to 20 knots. mostly cloudy
with a chance of showers and thunderstorms. patchy dense fog. waves
2 to 3 feet. 
.tonight...south winds 10 to 15 knots. rain showers and a chance of
thunderstorms. patchy dense fog in the evening. areas of dense fog
after midnight. waves 1 to 3 feet. 
.thursday...west winds 10 to 15 knots veering northwest in the late
morning and afternoon. rain showers likely and a slight chance of
thunderstorms. areas of dense fog. waves 1 to 2 feet. 
.thursday night...northwest winds 5 to 15 knots backing southwest
after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...southeast winds 5 to 15 knots veering south 15 to 20 knots
early in the afternoon. partly sunny. waves 1 to 2 feet. 
.friday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 2 to 3 feet building to 3 to 5 feet in the
late evening and overnight. 
.saturday...southwest winds to 30 knots veering west in the late
morning and afternoon. mostly cloudy with rain showers. waves 5 to
7 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. mostly sunny. waves 7 to 11 feet. 
.monday...northeast winds 10 to 15 knots veering south in the late
morning and afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418917

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-160800-
south haven to holland mi-
223 pm edt wed apr 15 2026

...dense fog advisory in effect until 8 am edt thursday...

.through early evening...southwest winds 15 to 20 knots. cloudy with
a chance of showers and thunderstorms. patchy dense fog. waves 2 to
3 feet. 
.tonight...south winds 10 to 15 knots. rain showers and a chance of
thunderstorms. patchy dense fog. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots veering northwest early
in the afternoon. rain showers likely and a chance of thunderstorms.
patchy dense fog. waves 1 to 2 feet. 
.thursday night...northwest winds 10 to 15 knots backing southwest
5 to 10 knots after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...southeast winds 5 to 15 knots. partly sunny. waves 1 foot
or less. 
.friday night...south winds 15 to 25 knots. mostly cloudy with rain
showers and a chance of thunderstorms. waves 1 to 3 feet.
.saturday...southwest winds to 30 knots veering west in the late
morning and afternoon. rain showers. waves 4 to 6 feet. 
.sunday...west winds to 30 knots becoming gales to 35 knots in the
late morning and early afternoon, then veering northwest to 30 knots
early in the afternoon. mostly sunny. waves 7 to 10 feet. 
.monday...northeast winds 15 to 20 knots veering south 10 to
15 knots in the late morning and early afternoon, then veering
southwest early in the afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418913

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-160800-
pentwater to manistee mi-
223 pm edt wed apr 15 2026

...dense fog advisory in effect until 8 am edt thursday...

.through early evening...west winds around 10 knots. mostly cloudy
with a slight chance of showers and thunderstorms. patchy dense fog.
waves 1 to 2 feet. 
.tonight...north winds 5 to 10 knots veering east in the late
evening and early morning, then backing northeast after midnight.
cloudy with a chance of showers and thunderstorms. areas of dense
fog. waves 1 to 2 feet. 
.thursday...north winds 5 to 15 knots. mostly cloudy with a chance
of rain showers and a slight chance of thunderstorms. areas of dense
fog. waves around 1 foot. 
.thursday night...north winds 5 to 15 knots veering northeast in the
late evening and early morning, then veering south after midnight.
partly cloudy. waves around 1 foot. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. partly sunny. waves 1 to 3 feet. 
.friday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 3 to 5 feet. 
.saturday...southwest winds to 30 knots veering west in the late
morning and afternoon. mostly cloudy with rain showers. waves 5 to
7 feet. 
.sunday...northwest winds to 30 knots. partly sunny. waves 7 to
10 feet. 
.monday...north winds 15 to 25 knots backing southwest 10 to
20 knots in the late morning and afternoon. sunny. waves 4 to
6 feet. 

$$

fzus53 kgrr 151823
nshgrr
expires:202604160800;;418914

nearshore marine forecast
national weather service grand rapids mi
223 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-160800-
whitehall to pentwater mi-
223 pm edt wed apr 15 2026

...dense fog advisory in effect until 8 am edt thursday...

.through early evening...south winds 10 to 15 knots. mostly cloudy
with a chance of showers and thunderstorms. patchy dense fog. waves
2 to 3 feet. 
.tonight...south winds 10 to 15 knots backing southeast after
midnight. rain showers and a chance of thunderstorms. patchy dense
fog in the evening. areas of dense fog after midnight. waves 1 to
3 feet. 
.thursday...north winds 10 to 15 knots backing northwest early in
the afternoon. mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. areas of dense fog. waves 1 to
2 feet. 
.thursday night...north winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves 1 to 2 feet. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. partly sunny. waves 1 to 3 feet. 
.friday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 3 to 6 feet.
.saturday...southwest winds to 30 knots veering west in the late
morning and afternoon. mostly cloudy with rain showers. waves 5 to
7 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. mostly sunny. waves 7 to 10 feet. 
.monday...northeast winds 15 to 20 knots veering south in the late
morning and afternoon. sunny. waves 4 to 6 feet subsiding to 2 to
4 feet early in the afternoon. 

$$

fzus53 kiwx 151828
nshiwx
expires:202604160215;;419690

nearshore marine forecast
national weather service northern indiana
228 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz046-160215-
michigan city in to new buffalo mi-
228 pm edt wed apr 15 2026

.tonight...southwest winds around 10 knots becoming south.
showers with a chance of thunderstorms. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming northwest.
showers likely with a chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 foot or less. 
.thursday night...northwest winds 5 to 10 knots becoming light
and variable. mostly cloudy. waves around 1 foot. 
.friday...southeast winds 10 knots or less becoming south. partly
sunny. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 48 degrees and at michigan
city is 45 degrees.

$$

fzus53 kiwx 151828
nshiwx
expires:202604160215;;419691

nearshore marine forecast
national weather service northern indiana
228 pm edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-160215-
new buffalo mi to st joseph mi-
228 pm edt wed apr 15 2026

.tonight...southwest winds around 10 knots becoming south.
showers with a chance of thunderstorms. waves 2 feet or less. 
.thursday...southwest winds around 10 knots becoming northwest.
showers likely with a chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 foot or less. 
.thursday night...northwest winds 5 to 10 knots becoming light
and variable. mostly cloudy. waves around 1 foot. 
.friday...southeast winds 10 knots or less becoming south. partly
sunny. waves around 1 foot. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 48 degrees and at michigan
city is 45 degrees.

$$

fzus53 klot 151433
nshlot
expires:202604152115;;410857

nearshore marine forecast
national weather service chicago/romeoville il
933 am cdt wed apr 15 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>742-152115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
933 am cdt wed apr 15 2026

.rest of today...southwest winds 10 to 20 kt becoming south.
showers likely and a chance of thunderstorms. waves 1 to 2 ft. 
.tonight...south winds 15 to 20 kt diminishing to 10 to 15 kt.
showers with thunderstorms likely. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 15 kt becoming west in the
afternoon. showers likely and a chance of thunderstorms. waves 1 
to 2 ft. 
.thursday night...north winds around 10 kt becoming southeast
overnight. mostly cloudy. waves 1 to 2 ft.  

$$

fzus53 klot 151433
nshlot
expires:202604152115;;410858

nearshore marine forecast
national weather service chicago/romeoville il
933 am cdt wed apr 15 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>745-152115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
933 am cdt wed apr 15 2026

.rest of today...southwest winds 10 to 20 kt. showers and a 
chance of thunderstorms. waves 1 to 2 ft. 
.tonight...south winds 15 to 20 kt. showers with thunderstorms
likely. waves 1 to 2 ft. 
.thursday...southwest winds 10 to 15 kt becoming west in the
afternoon. showers likely and a chance of thunderstorms. waves 1 
to 2 ft. 
.thursday night...north winds around 10 kt becoming northeast
overnight. mostly cloudy. waves 1 to 2 ft. 

$$

fzus53 kmkx 151810
nshmkx
expires:202604152200;;418277

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz646-152200-
wind point wi to winthrop harbor il-
110 pm cdt wed apr 15 2026

...dense fog advisory in effect until 7 am cdt thursday...

.rest of today...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. patchy dense fog early in the
afternoon. chance of showers early in the afternoon. chance of
thunderstorms through the day. rain showers likely late in the
afternoon. waves around 1 foot. 
.tonight...south wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then becoming south 5 to 10 knots after midnight
veering southwest early in the morning. patchy dense fog through
the night. showers through around midnight. chance of
thunderstorms through the night. rain showers likely after
midnight. waves around 1 foot. 
.thursday...west wind 5 to 10 knots becoming northwest 10 to
15 knots late in the morning, then veering north early in the
afternoon easing to 5 to 10 knots late in the afternoon. patchy
fog through the day. chance of showers and slight chance of
thunderstorms in the morning. slight chance of showers in the
afternoon. waves around 1 foot. 
.thursday night...north wind 5 to 10 knots backing southwest
after midnight, then backing south early in the morning. partly
cloudy through around midnight then becoming mostly cloudy. waves
around 1 foot. 

$$

fzus53 kmkx 151810
nshmkx
expires:202604152200;;418276

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz645-152200-
north point light to wind point wi-
110 pm cdt wed apr 15 2026

...dense fog advisory in effect until 7 am cdt thursday...

.rest of today...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. patchy dense fog through the day.
chance of showers early in the afternoon. chance of thunderstorms
through the day. rain showers likely late in the afternoon. waves
around 1 foot. 
.tonight...south wind 10 to 15 knots becoming southeast 5 to
10 knots late in the evening, then veering south after midnight
veering west early in the morning. patchy dense fog through the
night. showers through around midnight. chance of thunderstorms
through the night. rain showers likely after midnight. waves
around 1 foot. 
.thursday...northwest wind 5 to 10 knots veering north 5 to
15 knots late in the morning, then becoming 10 to 15 knots early
in the afternoon easing to 5 to 10 knots late in the afternoon.
patchy fog through the day. chance of showers and slight chance
of thunderstorms in the morning. slight chance of showers in the
afternoon. waves around 1 foot. 
.thursday night...north wind 5 to 10 knots backing southwest
after midnight, then backing south early in the morning. areas of
dense fog through around midnight. waves around 1 foot. 

$$

fzus53 kmkx 151810
nshmkx
expires:202604152200;;418275

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz644-152200-
port washington to north point light wi-
110 pm cdt wed apr 15 2026

...dense fog advisory in effect until 7 am cdt thursday...

.rest of today...south wind 5 to 10 knots. patchy dense fog
through the day. chance of showers early in the afternoon. chance
of thunderstorms through the day. rain showers likely late in the
afternoon. waves around 1 foot. 
.tonight...southeast wind 5 to 10 knots backing northeast late in
the evening, then veering southeast after midnight backing north
early in the morning. patchy dense fog through around midnight.
areas of dense fog after midnight. showers through around
midnight. chance of thunderstorms through the night. chance of
showers after midnight. waves around 1 foot. 
.thursday...north wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then becoming northeast 5 to 10 knots
late in the afternoon. patchy dense fog through the day. chance
of showers and slight chance of thunderstorms in the morning.
slight chance of showers in the afternoon. waves around 1 foot. 
.thursday night...northeast wind 5 to 10 knots veering southwest
after midnight, then backing southeast early in the morning.
patchy fog through around midnight. waves around 1 foot. 

$$

fzus53 kmkx 151810
nshmkx
expires:202604152200;;418274

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-152200-
sheboygan to port washington wi-
110 pm cdt wed apr 15 2026

...dense fog advisory in effect until 7 am cdt thursday...

.rest of today...southeast wind 5 to 10 knots backing northeast
late in the afternoon. patchy dense fog through the day. slight
chance of showers and thunderstorms early in the afternoon.
chance of showers and thunderstorms late in the afternoon. waves
around 1 foot. 
.tonight...north wind 5 to 10 knots veering east late in the
evening, then backing northeast after midnight becoming northeast
5 to 10 knots early in the morning. patchy dense fog through
around midnight. areas of dense fog after midnight. showers
through around midnight. chance of thunderstorms through the
night. chance of showers after midnight. waves around 1 foot. 
.thursday...north wind 10 to 15 knots becoming northeast 5 to
10 knots late in the afternoon. areas of dense fog in the
morning, then patchy fog in the afternoon. chance of showers and
slight chance of thunderstorms in the morning, then slight chance
of showers in the afternoon. waves 1 to 2 feet. 
.thursday night...northeast wind 5 to 10 knots backing north late
in the evening, then backing southwest after midnight backing
south early in the morning. patchy fog through around midnight.
waves around 1 foot. 

$$