fzus53 kapx 171756
nshapx
expires:202604180200;;532375

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 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.


lmz346-180200-
manistee to point betsie mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming west early in the
morning. rain and a chance of thunderstorms early in the evening,
then rain likely and slight chance of thunderstorms after
midnight. waves 3 to 5 feet. 
.saturday...west wind 10 to 20 knots. slight chance of rain and
snow showers. waves 3 to 5 feet. 
.saturday night...west wind 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 171757
nshgrb
expires:202604172200;;532458

nearshore marine forecast
national weather service green bay wi
1257 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-172200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1257 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday morning...

.this afternoon...s wind 15 to 25 kts. waves 1 to 3 ft building
to 4 to 7 ft in the afternoon. areas of dense fog late in the
morning, then patchy dense fog in the afternoon. a chance of
showers and a slight chance of thunderstorms in the afternoon. 
.tonight...s wind 15 to 25 kts veering w after midnight. gusts to
35 kts. waves 5 to 8 ft subsiding to 4 to 7 ft after midnight.
patchy dense fog. showers likely and a chance of thunderstorms in
the evening. a chance of showers after midnight. 
.saturday...w wind 15 to 25 kts. waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. partly cloudy in the morning then
clearing. 
.saturday night...w wind 15 to 25 kts decreasing to 10 to 15 kts
in the late evening and overnight. waves 1 to 3 ft. mostly clear.
a small craft advisory may be needed.  

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525786

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-172100-
whitehall to pentwater mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...south winds 15 to 20 knots. partly sunny. waves
2 to 3 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers and a chance of thunderstorms. patchy fog. waves 4 to
6 feet. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.monday...east winds around 10 knots veering southwest early in the
afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525790

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-172100-
st joseph to south haven mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...south winds 10 to 20 knots. partly sunny. waves
1 to 2 feet. 
.tonight...south winds 20 to 25 knots. rain showers and a chance of
thunderstorms. patchy fog. waves 1 to 2 feet building to 2 to 4 feet
in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...northwest winds 20 to 25 knots. mostly clear.
waves 4 to 6 feet. 
.sunday...northwest winds 15 to 25 knots. sunny. waves 3 to 5 feet. 
.monday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 to 2 feet. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525789

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-172100-
south haven to holland mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...southeast winds 10 to 20 knots. partly sunny. waves
around 1 foot. 
.tonight...south winds 20 to 25 knots. rain showers and a chance of
thunderstorms. patchy fog. waves 1 to 3 feet building to 3 to 5 feet
in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 5 to 7 feet. 
.saturday night...northwest winds to 30 knots. partly cloudy. waves
4 to 6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.monday...northeast winds around 10 knots backing west early in the
afternoon. sunny. waves around 1 foot. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525788

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-172100-
holland to grand haven mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...southeast winds 10 to 20 knots. partly sunny. waves
1 to 2 feet. 
.tonight...south winds to 30 knots. rain showers and a chance of
thunderstorms. patchy fog. waves 2 to 3 feet building to 3 to 5 feet
in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds to 30 knots. mostly sunny. waves 4 to
6 feet. 
.monday...northeast winds around 10 knots veering southeast in the
late morning and early afternoon, then veering southwest early in
the afternoon. sunny. waves around 1 foot. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 5 to
7 feet. 

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525787

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-172100-
grand haven to whitehall mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...southeast winds 10 to 20 knots. partly sunny. waves
1 to 3 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers and a chance of thunderstorms. patchy dense fog. waves
2 to 4 feet building to 4 to 6 feet in the late evening and
overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.monday...northeast winds around 10 knots veering southwest early in
the afternoon. sunny. waves 1 foot or less. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.

$$

fzus53 kgrr 171501
nshgrr
expires:202604172100;;525785

nearshore marine forecast
national weather service grand rapids mi
1101 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-172100-
pentwater to manistee mi-
1101 am edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.rest of today...south winds 10 to 20 knots. partly sunny. waves
2 to 3 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers and a chance of thunderstorms. patchy fog. waves 4 to
6 feet. 
.saturday...west winds to 30 knots. partly sunny with a slight
chance of rain showers. waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.monday...east winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.

$$

fzus53 kiwx 171456
nshiwx
expires:202604172015;;525532

nearshore marine forecast
national weather service northern indiana
1056 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-172015-
new buffalo mi to st joseph mi-
1056 am edt fri apr 17 2026

...small craft advisory in effect from 8 pm edt this evening
through late saturday night...

.this afternoon...southeast winds 5 to 15 knots becoming south.
partly sunny. waves 1 to 2 feet. 
.tonight...south winds 10 to 15 knots becoming southwest. gusts
up to 25 knots. showers with a chance of thunderstorms. waves
1 to 3 feet. 
.saturday...west winds 15 to 20 knots diminishing to 10 to
15 knots. gusts up to 25 knots. showers in the morning, then a
chance of showers in the afternoon. waves 2 to 4 feet building to
3 to 5 feet. 
.saturday night...west winds 10 to 15 knots becoming northwest.
gusts up to 25 knots. mostly clear. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 171456
nshiwx
expires:202604172015;;525531

nearshore marine forecast
national weather service northern indiana
1056 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-172015-
michigan city in to new buffalo mi-
1056 am edt fri apr 17 2026

...small craft advisory in effect from 8 pm edt this evening
through late saturday night...

.this afternoon...southeast winds 5 to 15 knots becoming south.
partly sunny. waves 1 to 2 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. showers likely with a chance of
thunderstorms in the evening, then showers with a chance of
thunderstorms overnight. waves 1 to 3 feet. 
.saturday...west winds 10 to 15 knots becoming northwest. gusts
up to 25 knots. showers in the morning, then a chance of showers
in the afternoon. waves 2 to 4 feet. 
.saturday night...northwest winds 10 to 15 knots. mostly clear.
waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 171433
nshlot
expires:202604172145;;525040

nearshore marine forecast
national weather service chicago/romeoville il
933 am cdt fri apr 17 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>742-172145-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
933 am cdt fri apr 17 2026

...small craft advisory in effect from 1 pm cdt this afternoon
through saturday evening...

.rest of today...southeast winds 10 to 15 kt becoming south 20 to
25 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.tonight...south winds 20 to 25 kt becoming southwest overnight.
showers with thunderstorms likely in the evening, then showers
likely and a chance of thunderstorms overnight. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.saturday...northwest winds 20 to 25 kt becoming west. chance of
showers in the morning. waves 1 to 3 ft. 
.saturday night...west winds 15 to 25 kt. mostly clear. waves
1 to 3 ft.  

$$

fzus53 klot 171433
nshlot
expires:202604172145;;525041

nearshore marine forecast
national weather service chicago/romeoville il
933 am cdt fri apr 17 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>745-172145-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
933 am cdt fri apr 17 2026

...small craft advisory in effect from 1 pm cdt this afternoon
through saturday evening...

.rest of today...southeast winds 10 to 15 kt becoming south 20 to
25 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.tonight...south winds 20 to 25 kt becoming southwest overnight.
showers with thunderstorms likely in the evening, then showers
and a chance of thunderstorms overnight. waves 1 to 3 ft. 
.saturday...northwest winds 20 to 25 kt. chance of showers in the
morning. waves 3 to 5 ft. 
.saturday night...northwest winds 10 to 20 kt. partly cloudy in
the evening, then becoming mostly clear. waves 2 to 4 ft.  

$$

fzus53 kmkx 171611
nshmkx
expires:202604172200;;528539

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-172200-
port washington to north point light wi-
1111 am cdt fri apr 17 2026

...dense fog advisory in effect until 7 pm cdt this evening...
...small craft advisory in effect through saturday evening...

.rest of today...south wind 15 to 20 knots with gusts to around
25 knots. patchy dense fog early in the afternoon. showers and
thunderstorms likely late in the afternoon. waves 3 to 5 feet. 
.tonight...south wind 15 to 20 knots veering west early in the
morning. gusts up to 25 knots. patchy fog through the night.
showers and thunderstorms through around midnight. rain showers
likely and a chance of thunderstorms after midnight. waves 4 to
6 feet subsiding to 3 to 5 feet after midnight. 
.saturday...northwest wind 15 to 25 knots becoming west 10 to
20 knots in the afternoon. mostly cloudy in the morning then
becoming mostly sunny. waves 2 to 4 feet subsiding to 1 to 2 feet
in the afternoon. 
.saturday night...west wind 15 to 25 knots becoming 15 to
20 knots late in the evening, then becoming west 15 to 20 knots
after midnight easing to 10 to 15 knots early in the morning.
partly cloudy through around midnight then clearing. waves 2 to
4 feet subsiding to 1 to 2 feet after midnight. 

$$

fzus53 kmkx 171611
nshmkx
expires:202604172200;;528540

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-172200-
north point light to wind point wi-
1111 am cdt fri apr 17 2026

...dense fog advisory in effect until 7 pm cdt this evening...
...small craft advisory in effect through saturday evening...

.rest of today...southeast wind 15 to 20 knots with gusts to
around 25 knots. patchy dense fog early in the afternoon.
thunderstorms likely and slight chance of showers late in the
afternoon. waves 3 to 4 feet. 
.tonight...south wind 15 to 20 knots becoming 10 to 20 knots late
in the evening, then veering southwest 10 to 15 knots after
midnight becoming west 15 to 20 knots early in the morning. gusts
up to 25 knots. patchy fog through the night. thunderstorms
through around midnight. rain showers through the night. chance
of thunderstorms after midnight. waves 3 to 5 feet subsiding to
3 to 4 feet in the late evening and overnight. 
.saturday...northwest wind 15 to 25 knots easing to 10 to
20 knots late in the morning, then backing west 15 to 20 knots in
the afternoon. mostly cloudy in the morning then becoming mostly
sunny. waves 2 to 4 feet subsiding to 1 to 2 feet late in the
afternoon. 
.saturday night...west wind 15 to 20 knots easing to 10 to
15 knots after midnight, then becoming west 10 to 15 knots early
in the morning. mostly clear. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 

$$

fzus53 kmkx 171611
nshmkx
expires:202604172200;;528541

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-172200-
wind point wi to winthrop harbor il-
1111 am cdt fri apr 17 2026

...dense fog advisory in effect until 7 pm cdt this evening...
...small craft advisory in effect through saturday evening...

.rest of today...southeast wind 15 to 20 knots with gusts to
around 25 knots. patchy dense fog early in the afternoon. slight
chance of showers and thunderstorms late in the afternoon. waves
1 to 3 feet building to 3 to 4 feet late in the afternoon. 
.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
after midnight, then becoming west 15 to 20 knots early in the
morning. gusts up to 25 knots. patchy fog through the night.
thunderstorms through around midnight. rain showers through the
night. chance of thunderstorms after midnight. waves 4 to 6 feet
subsiding to 3 to 4 feet in the late evening and overnight. 
.saturday...northwest wind 15 to 20 knots backing west in the
afternoon. gusts up to 25 knots. mostly cloudy in the morning
then clearing. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 
.saturday night...west wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots after midnight, then becoming
west 10 to 15 knots early in the morning. partly cloudy through
around midnight then becoming clear. waves 1 to 2 feet. 

$$

fzus53 kmkx 171611
nshmkx
expires:202604172200;;528538

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-172200-
sheboygan to port washington wi-
1111 am cdt fri apr 17 2026

...dense fog advisory in effect until 7 pm cdt this evening...
...small craft advisory in effect through saturday evening...

.rest of today...south wind 15 to 20 knots becoming 15 to
25 knots late in the afternoon. areas of dense fog early in the
afternoon. thunderstorms likely and slight chance of showers late
in the afternoon. waves 3 to 5 feet. 
.tonight...south wind 15 to 25 knots veering southwest 15 to
20 knots after midnight, then veering west early in the morning.
gusts up to 30 knots. patchy fog through the night. showers and
thunderstorms through around midnight. rain showers likely and a
chance of thunderstorms after midnight. waves 5 to 7 feet
subsiding to 4 to 6 feet after midnight, then subsiding to 3 to
5 feet early in the morning. 
.saturday...northwest wind 15 to 25 knots easing to 10 to
20 knots late in the morning, then backing west in the afternoon.
gusts up to 30 knots. mostly cloudy in the morning then becoming
mostly sunny. waves 3 to 4 feet subsiding to 1 to 3 feet late in
the afternoon. 
.saturday night...west wind 15 to 25 knots becoming 15 to
20 knots late in the evening, then easing to 10 to 15 knots after
midnight becoming west 10 to 15 knots early in the morning.
mostly clear. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late evening and overnight. 

$$