fzus53 kdlh 151929
nshdlh
expires:202604160400;;423570

nearshore marine forecast
national weather service duluth mn
229 pm cdt wed apr 15 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.


lsz141-160400-
grand marais to taconite harbor mn-
229 pm cdt wed apr 15 2026

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

.tonight...variable winds 10 knots or less. patchy fog in the
evening, then areas of dense fog after midnight. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming south
5 knots in the late morning and early afternoon, then becoming
east late in the afternoon. areas of dense fog in the morning.
waves 1 foot or less. 
.thursday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. patchy fog in the evening. slight chance
of rain after midnight. waves 1 to 2 feet. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots becoming north late in the afternoon. rain likely and
chance of thunderstorms in the afternoon. waves 1 to 3 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 151929
nshdlh
expires:202604160400;;423569

nearshore marine forecast
national weather service duluth mn
229 pm cdt wed apr 15 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.


lsz140-160400-
grand portage to grand marais mn-
229 pm cdt wed apr 15 2026

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

.tonight...northeast wind 5 knots becoming west after midnight.
patchy fog in the evening, then areas of dense fog after
midnight. waves 1 foot or less. 
.thursday...southwest wind 5 knots becoming south late in the
afternoon. areas of dense fog in the morning. waves 1 foot or
less. 
.thursday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain after midnight.
waves 1 to 2 feet. 
.friday...northeast wind 10 to 15 knots. gusts up to 20 knots in
the morning then 20 knots late in the afternoon. rain likely and
slight chance of thunderstorms in the afternoon. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 151929
nshdlh
expires:202604160400;;423578

nearshore marine forecast
national weather service duluth mn
229 pm cdt wed apr 15 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.


lsz148-160400-
oak point to saxon harbor wi-
229 pm cdt wed apr 15 2026

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

.tonight...northeast wind 5 knots early in the evening becoming
variable 10 knots or less. patchy fog late in the evening.
widespread dense fog after midnight. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. widespread dense fog
in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 knots becoming southeast with
gusts to around 20 knots after midnight, then becoming south
10 to 15 knots with gusts to around 25 knots early in the
morning. partly cloudy. waves 1 foot or less. 
.friday...south wind 10 to 15 knots with gusts to around 25 knots
becoming southwest with gusts to around 20 knots late in the
afternoon. rain likely and chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdtx 151857
nshdtx
expires:202604160300;;421942

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
257 pm edt wed apr 15 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.


lhz422-160300-
inner saginaw bay sw of point au gres to bay port mi-
257 pm edt wed apr 15 2026

.tonight...southwest winds 5 to 10 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and early afternoon, then veering to
the northeast early in the afternoon. mostly cloudy. a chance of
thunderstorms in the morning. rain showers likely. a slight
chance of thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...northwest winds 10 to 15 knots becoming north
5 to 10 knots in the late evening and overnight. mostly cloudy
early in the evening becoming partly cloudy. a chance of showers
early in the evening. waves 2 feet or less. 
.friday...east winds 5 to 10 knots. partly cloudy. waves 2 feet
or less. 

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

$$

fzus53 kdtx 151857
nshdtx
expires:202604160300;;421945

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
257 pm edt wed apr 15 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.


lhz442-160300-
harbor beach to port sanilac mi-
257 pm edt wed apr 15 2026

.tonight...south winds 5 to 10 knots. a chance of showers and
thunderstorms in the evening, then showers and a chance of
thunderstorms after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots becoming northwest 10 to
15 knots early in the afternoon. mostly cloudy. rain showers
likely and a chance of thunderstorms. waves 2 feet or less. 
.thursday night...northwest winds 5 to 10 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the east in the
late morning and afternoon. partly cloudy. waves 2 feet or less. 

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

$$

fzus53 kdtx 151857
nshdtx
expires:202604160300;;421944

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
257 pm edt wed apr 15 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.


lhz441-160300-
port austin to harbor beach mi-
257 pm edt wed apr 15 2026

.tonight...south winds 5 to 10 knots. a chance of showers and
thunderstorms in the evening, then showers and a chance of
thunderstorms after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots veering to the west in the
late morning and early afternoon, then becoming northwest 10 to
15 knots early in the afternoon. mostly cloudy. a chance of
thunderstorms in the morning. rain showers likely. a slight
chance of thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...northwest winds 5 to 10 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the east in the
late morning and afternoon. partly cloudy. waves 2 feet or less. 

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

$$

fzus53 kdtx 151857
nshdtx
expires:202604160300;;421946

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
257 pm edt wed apr 15 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.


lhz443-160300-
port sanilac to port huron mi-
257 pm edt wed apr 15 2026

.tonight...southwest winds 5 to 10 knots becoming south 10 to
15 knots after midnight. light showers and a chance of
thunderstorms. some thunderstorms may produce heavy rainfall.
waves 2 feet or less. 
.thursday...south winds 10 to 15 knots veering to the west early
in the afternoon. light showers likely and a slight chance of
thunderstorms in the morning, then showers and a chance of
thunderstorms in the afternoon. some thunderstorms may produce
heavy rainfall until late afternoon. some thunderstorms may
produce heavy rainfall early in the afternoon. waves 2 feet or
less. 
.thursday night...northwest winds 10 to 15 knots becoming north
5 to 10 knots in the late evening and overnight. mostly cloudy
until early morning becoming partly cloudy. waves 2 feet or less.
.friday...north winds 5 to 10 knots veering to the east in the
late morning and afternoon. partly cloudy. waves 2 feet or less. 

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

$$

fzus53 kdtx 151857
nshdtx
expires:202604160300;;421943

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
257 pm edt wed apr 15 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.


lhz421-160300-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
257 pm edt wed apr 15 2026

.tonight...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms in the evening, then showers and a chance of
thunderstorms after midnight. some thunderstorms may produce
heavy rainfall. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots veering to the north in the
late morning and early afternoon, then becoming northeast 10 to
15 knots early in the afternoon. mostly cloudy. light showers
likely and a chance of thunderstorms early in the morning, then
showers likely and a slight chance of thunderstorms in the late
morning and afternoon. some thunderstorms may produce heavy
rainfall early in the morning. some thunderstorms may produce
heavy rainfall in the late morning and afternoon. waves 2 feet or
less. 
.thursday night...north winds 5 to 10 knots. mostly cloudy early
in the evening becoming partly cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots veering to the east early
in the afternoon. partly cloudy. waves 2 feet or less. 

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

$$

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 kgrb 151940
nshgrb
expires:202604152200;;423988

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


lmz521-522-152200-
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-
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 slight chance of light rain and thunderstorms. 
.tonight...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. 
.thursday...ne wind 5 to 10 kts veering se early in the
afternoon. waves 2 ft or less. areas of dense fog in the morning.
patchy fog in the afternoon. . 
.thursday night...se wind 5 to 10 kts. waves 2 ft or less. partly
cloudy.  

$$

fzus53 kgrb 151940
nshgrb
expires:202604152200;;423989

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


lmz541-152200-
rock island passage to sturgeon bay 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 slight chance of light rain and thunderstorms. 
.tonight...ne wind 5 to 10 kts backing n after midnight. waves
2 ft or less. areas of dense fog. a slight chance of
thunderstorms in the evening. a chance of light rain. 
.thursday...ne wind 5 to 10 kts veering se early in the
afternoon. waves 2 ft or less. areas of dense fog in the morning.
. 
.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;;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;;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 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. 

$$