fzus53 kapx 151042
nshapx
expires:202604151845;;403670

nearshore marine forecast
national weather service gaylord mi
642 am edt wed apr 15 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.


lmz346-151845-
manistee to point betsie mi-
642 am edt wed apr 15 2026

.today...north wind 5 to 10 knots. widespread dense fog early in
the morning. patchy fog in the morning. slight chance of showers
through the day. waves 2 feet or less. 
.tonight...light winds. patchy fog. showers likely and slight
chance of thunderstorms. waves 2 feet or less. 
.thursday...north wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.thursday night...northeast wind 5 to 10 knots. patchy fog. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 151641
nshgrb
expires:202604152200;;414901

nearshore marine forecast
national weather service green bay wi
1141 am 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-
1141 am 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 showers during the morning. a chance of
light rain and a slight chance of thunderstorms in the afternoon.
.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...ne wind 5 to 10 kts veering se in the late
evening and overnight. waves 2 ft or less. partly cloudy in the
evening then becoming mostly cloudy.  

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412606

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-152100-
whitehall to pentwater mi-
1123 am edt wed apr 15 2026

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

.rest of today...southwest winds around 10 knots. mostly cloudy with
a chance of showers and thunderstorms. areas of fog. waves 2 to
3 feet. 
.tonight...northwest winds around 10 knots backing southeast in the
late evening and overnight. rain showers likely and a chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots veering northwest in the late
morning and afternoon. mostly cloudy with a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.thursday night...northwest winds 5 to 15 knots backing west 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. 
.saturday...south winds to 30 knots veering west in the late morning
and afternoon. rain showers and a chance of thunderstorms. waves
5 to 7 feet. 
.sunday...northwest gales to 35 knots. partly sunny. waves 7 to
10 feet. 

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412607

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-152100-
grand haven to whitehall mi-
1123 am edt wed apr 15 2026

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

.rest of today...southwest winds 10 to 15 knots. rain showers likely
and a chance of thunderstorms. patchy fog. waves 2 to 3 feet. 
.tonight...southwest winds 10 to 15 knots backing south in the late
evening and overnight. rain showers and a chance of thunderstorms.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots veering west in the late
morning and afternoon. rain showers likely and a chance of
thunderstorms. waves 1 to 2 feet. 
.thursday night...northwest winds 5 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.friday...south winds 5 to 15 knots. partly sunny. waves 1 to
2 feet. 
.saturday...south winds to 30 knots veering west in the late morning
and afternoon. rain showers and a chance of thunderstorms. waves
5 to 7 feet. 
.sunday...west gales to 35 knots veering northwest to 30 knots early
in the afternoon. partly sunny. waves 7 to 11 feet. 

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412605

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-152100-
pentwater to manistee mi-
1123 am edt wed apr 15 2026

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

.rest of today...southwest winds 5 to 10 knots veering northwest
early in the afternoon. mostly cloudy with a chance of rain showers
and a slight chance of thunderstorms. areas of fog. waves 1 to
2 feet. 
.tonight...north winds 5 to 10 knots veering northeast in the late
evening and overnight. mostly cloudy with a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.thursday...southeast winds 10 to 15 knots backing north in the late
morning and afternoon. mostly cloudy with a chance of showers and
thunderstorms. waves around 1 foot. 
.thursday night...north winds 5 to 15 knots veering east 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. 
.saturday...south winds 15 to 25 knots veering southwest to 30 knots
in the late morning and afternoon. rain showers and a chance of
thunderstorms. waves 5 to 7 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. partly sunny. waves 7 to 10 feet. 

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412610

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-152100-
st joseph to south haven mi-
1123 am edt wed apr 15 2026

.rest of today...southwest winds around 15 knots. cloudy with a
chance of showers and thunderstorms. patchy fog. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots. rain showers likely and a
chance of thunderstorms. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 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 10 to 15 knots. partly cloudy with
rain showers likely. waves around 1 foot. 
.friday...south winds 5 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southwest winds 20 to 25 knots veering west early in the
afternoon. rain showers and a chance of thunderstorms. waves 3 to
5 feet. 
.sunday...west gales to 35 knots veering northwest to 30 knots early
in the afternoon. mostly sunny. waves 6 to 9 feet. 

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412609

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-152100-
south haven to holland mi-
1123 am edt wed apr 15 2026

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

.rest of today...southwest winds around 15 knots. cloudy with a
chance of showers and thunderstorms. patchy fog. waves 2 to 3 feet. 
.tonight...south winds 10 to 15 knots. rain showers and a chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 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 10 to 15 knots. partly cloudy with
rain showers likely. waves 1 to 2 feet. 
.friday...south winds 5 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southwest winds to 30 knots veering west early in the
afternoon. rain showers and a chance of thunderstorms. waves 4 to
6 feet. 
.sunday...west gales to 35 knots veering northwest to 30 knots early
in the afternoon. partly sunny. waves 7 to 10 feet. 

$$

fzus53 kgrr 151523
nshgrr
expires:202604152100;;412608

nearshore marine forecast
national weather service grand rapids mi
1123 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-152100-
holland to grand haven mi-
1123 am edt wed apr 15 2026

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

.rest of today...southwest winds around 15 knots. rain showers
likely and a chance of thunderstorms. patchy fog. waves 2 to 3 feet.
.tonight...south winds 10 to 15 knots. rain showers and a chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 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 10 to 15 knots. mostly cloudy with
rain showers likely. waves 1 to 2 feet. 
.friday...south winds 5 to 15 knots. partly sunny. waves around
1 foot. 
.saturday...southwest winds to 30 knots veering west early in the
afternoon. rain showers and a chance of thunderstorms. waves 4 to
6 feet. 
.sunday...west gales to 35 knots. partly sunny. waves 7 to 11 feet. 

$$

fzus53 kiwx 151512
nshiwx
expires:202604152015;;412389

nearshore marine forecast
national weather service northern indiana
1112 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-152015-
new buffalo mi to st joseph mi-
1112 am edt wed apr 15 2026

.this afternoon...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms. waves 1 to 2 feet. 
.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. waves 1 foot or
less. 
.thursday night...northwest winds 5 to 10 knots becoming light
and variable. showers likely in the evening. 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 kiwx 151512
nshiwx
expires:202604152015;;412388

nearshore marine forecast
national weather service northern indiana
1112 am edt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz046-152015-
michigan city in to new buffalo mi-
1112 am edt wed apr 15 2026

.this afternoon...southwest winds around 10 knots. showers likely
with a chance of thunderstorms. waves 1 to 2 feet. 
.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. waves 1 foot or less. 
.thursday night...northwest winds 5 to 10 knots becoming light
and variable. showers likely in the evening. 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 151610
nshmkx
expires:202604152200;;413982

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am 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-
1110 am cdt wed apr 15 2026

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

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

$$

fzus53 kmkx 151610
nshmkx
expires:202604152200;;413983

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am 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-
1110 am cdt wed apr 15 2026

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

.rest of today...southwest wind 10 to 15 knots easing to 5 to
10 knots late in the afternoon. areas of dense fog early in the
afternoon. widespread dense fog late 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...north wind 5 to 10 knots veering southeast after
midnight. areas of dense fog through around midnight, then
widespread dense fog after midnight. showers with thunderstorms
likely through around midnight, then showers likely and a chance
of thunderstorms after midnight. waves around 1 foot. 
.thursday...west wind 5 to 10 knots becoming north 10 to 15 knots
in the late morning and early afternoon, then easing to 5 to
10 knots late in the afternoon. widespread dense fog in the
morning. patchy fog in the afternoon. slight chance of
thunderstorms in the morning. rain showers likely through the
day. chance of thunderstorms 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. mostly
cloudy. waves around 1 foot. 

$$

fzus53 kmkx 151610
nshmkx
expires:202604152200;;413984

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am 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-
1110 am cdt wed apr 15 2026

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

.rest of today...southwest wind 10 to 15 knots becoming south
5 to 10 knots late in the afternoon. areas of dense fog through
the day. chance of showers and thunderstorms early in the
afternoon. rain showers and thunderstorms likely late in the
afternoon. waves around 1 foot. 
.tonight...southeast wind 5 to 10 knots veering south early in
the morning. areas of dense fog through around midnight.
widespread dense fog after midnight. thunderstorms likely through
around midnight. rain showers through the night. chance of
thunderstorms after midnight. waves around 1 foot. 
.thursday...southwest wind 5 to 10 knots veering north late in
the afternoon. patchy dense fog through the day. slight chance of
thunderstorms in the morning. rain showers likely through the
day. chance of thunderstorms 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 151610
nshmkx
expires:202604152200;;413981

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed apr 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-152200-
sheboygan to port washington wi-
1110 am cdt wed apr 15 2026

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

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

$$