fzus53 kapx 171406
nshapx
expires:202605172215;;712683

nearshore marine forecast
national weather service gaylord mi
1006 am edt sun may 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.


lmz346-172215-
manistee to point betsie mi-
1006 am edt sun may 17 2026

...small craft advisory in effect from this evening through
monday evening...

.today...northeast wind 10 to 15 knots. scattered showers in the
late morning, then showers and slight chance of thunderstorms in
the afternoon. waves 2 feet or less. 
.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. chance
of showers and thunderstorms. waves 2 to 4 feet. 
.monday...south wind 10 to 20 knots. gusts to 25 knots. chance of
showers. waves 4 to 6 feet. 
.monday night...south wind 10 to 20 knots. rain showers and a
chance of thunderstorms. waves 4 to 6 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 171637
nshgrb
expires:202605172200;;717364

nearshore marine forecast
national weather service green bay wi
1136 am cdt sun may 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-
1136 am cdt sun may 17 2026

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

.this afternoon...ne wind 10 to 20 kts. waves 2 to 4 ft. rain
showers likely and a chance of thunderstorms. patchy fog in the
afternoon. 
.tonight...e wind 10 to 15 kts veering s 15 to 25 kts in the late
evening and overnight. waves 4 to 7 ft. patchy fog. a chance of
showers and a slight chance of thunderstorms. 
.monday...s wind 15 to 25 kts. waves 4 to 7 ft. patchy fog in the
morning. a chance of showers and thunderstorms. 
.monday night...s wind 15 to 25 kts. waves 5 to 8 ft. a chance of
showers in the evening. a chance of thunderstorms. rain showers
after midnight.  

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715436

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-172100-
holland to grand haven mi-
1131 am edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday evening...

.rest of today...south winds around 10 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 1 foot or less. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight. 
.monday...south winds to 30 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 4 to 6 feet. 
.monday night...south winds to 30 knots. partly cloudy with rain
showers likely and a chance of thunderstorms. waves 4 to 6 feet. 
.tuesday...southwest winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 6 to 8 feet. 
.wednesday...northwest winds 20 to 25 knots. mostly sunny. waves
3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715438

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-172100-
st joseph to south haven mi-
1131 am edt sun may 17 2026

.rest of today...south winds 10 to 15 knots. mostly cloudy. waves
around 1 foot. 
.tonight...south winds 10 to 20 knots. partly cloudy. waves 1 to
3 feet. 
.monday...south winds 20 to 25 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 2 to 4 feet.
.monday night...south winds 15 to 25 knots. partly cloudy with rain
showers likely and a chance of thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 3 to 5 feet. 
.wednesday...north winds around 20 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715437

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-172100-
south haven to holland mi-
1131 am edt sun may 17 2026

.rest of today...south winds around 10 knots. mostly cloudy. waves
1 foot or less. 
.tonight...south winds 10 to 20 knots increasing to 20 to 25 knots
after midnight. partly cloudy. waves 2 to 4 feet.
.monday...south winds 20 to 25 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 3 to 5 feet. 
.monday night...south winds 20 to 25 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 3 to 5 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 4 to 6 feet. 
.wednesday...northwest winds around 20 knots. mostly sunny. waves
3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715435

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-172100-
grand haven to whitehall mi-
1131 am edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday evening...

.rest of today...south winds 10 to 15 knots backing southeast early
in the afternoon. mostly cloudy with a slight chance of showers and
thunderstorms. waves around 1 foot. 
.tonight...southeast winds 15 to 25 knots veering south to 30 knots
after midnight. partly cloudy with a slight chance of showers and
thunderstorms. waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. 
.monday...south winds to 30 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 5 to 7 feet. 
.monday night...south winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 5 to 7 feet. 
.tuesday...south gales to 35 knots veering southwest to 30 knots
early in the afternoon. rain showers likely and a chance of
thunderstorms. waves 6 to 9 feet. 
.wednesday...northwest winds 15 to 25 knots. mostly sunny. waves
3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715434

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-172100-
whitehall to pentwater mi-
1131 am edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday evening...

.rest of today...east winds 10 to 15 knots. mostly cloudy with a
chance of showers and thunderstorms. waves around 1 foot. 
.tonight...southeast winds 15 to 25 knots veering south to 30 knots
in the late evening and overnight. partly cloudy with a chance of
showers and thunderstorms. waves 1 to 3 feet building to 4 to 6 feet
in the late evening and overnight. 
.monday...south winds to 30 knots. partly sunny with a chance of
showers and thunderstorms. waves 5 to 7 feet. 
.monday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. rain showers and a chance of
thunderstorms. waves 6 to 9 feet. 
.wednesday...north winds around 20 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...northeast winds 5 to 15 knots backing north 15 to
20 knots early in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 171531
nshgrr
expires:202605172100;;715433

nearshore marine forecast
national weather service grand rapids mi
1131 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-172100-
pentwater to manistee mi-
1131 am edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday evening...

.rest of today...northeast winds 10 to 15 knots. rain showers likely
and a chance of thunderstorms. waves 1 to 2 feet. 
.tonight...east winds 10 to 20 knots becoming south to 30 knots in
the late evening and overnight. rain showers likely and a chance of
thunderstorms. waves 1 to 2 feet building to 4 to 6 feet. 
.monday...south winds to 30 knots. rain showers likely and a slight
chance of thunderstorms. waves 5 to 7 feet. 
.monday night...south winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 6 to 9 feet. 
.wednesday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet.
.thursday...northeast winds 5 to 10 knots backing north 10 to
20 knots in the late morning and afternoon. sunny. waves around
1 foot. 

$$

fzus53 kiwx 171350
nshiwx
expires:202605172015;;712128

nearshore marine forecast
national weather service northern indiana
950 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-172015-
michigan city in to new buffalo mi-
950 am edt sun may 17 2026

.this afternoon...south winds 5 to 15 knots increasing to 10 to 20
knots this afternoon. a few gusts up to 25 knots possible in the
afternoon. partly sunny. waves 2 feet or less.
.tonight...south winds 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. showers likely with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.monday night...south winds 15 to 20 knots. gusts up to 25 knots.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 51 degrees.

$$

fzus53 kiwx 171350
nshiwx
expires:202605172015;;712129

nearshore marine forecast
national weather service northern indiana
950 am edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-172015-
new buffalo mi to st joseph mi-
950 am edt sun may 17 2026

.this afternoon...south winds 5 to 15 knots increasing to 10 to 
20 knots this afternoon. a few gusts up to 25 knots possible this
afternoon. partly sunny. waves 1 foot or less.
.tonight...south winds 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.monday...south winds 15 to 20 knots. gusts up to 25 knots.
showers likely with a chance of thunderstorms in the afternoon.
waves 1 to 3 feet. 
.monday night...south winds 15 to 20 knots. gusts up to 25 knots.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 51 degrees.

$$

fzus53 klot 171434 cca
nshlot
expires:202605172130;;713827

nearshore marine forecast...corrected
national weather service chicago/romeoville il
934 am cdt sun may 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.


lmz740-172130-
winthrop harbor to wilmette harbor il-
934 am cdt sun may 17 2026

.rest of today...northeast winds 10 to 20 kt becoming southeast 
and increasing to 15 to 25 kt in the afternoon. scattered showers
and perhaps a thunderstorm mainly midday and into the early 
afternoon. patchy fog possible in the afternoon. waves 1 to 3 ft 
building to 2 to 4 ft.
.tonight...south winds 15 to 25 kt diminishing to 15 to 20 kt. 
partly cloudy. waves 2 to 4 ft. 
.monday...southwest winds 20 to 25 kt. showers likely and a 
chance of thunderstorms. waves 2 to 4 ft. a small craft advisory
may be needed. 
.monday night...south winds 15 to 25 kt. chance of showers and 
slight chance of thunderstorms. waves 2 to 4 ft. 

$$

fzus53 klot 171434 cca
nshlot
expires:202605172130;;713828

nearshore marine forecast...corrected
national weather service chicago/romeoville il
934 am cdt sun may 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.


lmz741-742-172130-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
934 am cdt sun may 17 2026

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

.rest of today...northeast winds 10 to 20 kt becoming south and 
increasing to 20 to 25 kt in the afternoon. patchy fog, mainly
through early afternoon. isolated showers mainly midday and early
afternoon. waves 1 to 3 ft building to 2 to 4 ft.
.tonight...south winds 20 to 25 kt diminishing to 15 to 20 kt. 
partly cloudy. waves 2 to 4 ft. 
.monday...south winds 20 to 25 kt. showers likely and a chance of
thunderstorms. waves 2 to 4 ft. 
.monday night...south winds 15 to 25 kt. slight chance of showers
in the evening, then chance of showers and slight chance of 
thunderstorms overnight. waves 2 to 4 ft. 

$$

fzus53 klot 171434 cca
nshlot
expires:202605172130;;713829

nearshore marine forecast...corrected
national weather service chicago/romeoville il
934 am cdt sun may 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>745-172130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
934 am cdt sun may 17 2026

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

.rest of today...south winds 10 to 15 kt increasing to 20 to
25 kt in the afternoon. mostly cloudy. waves 1 to 3 ft. 
.tonight...south winds 20 to 25 kt diminishing to 15 to 20 kt. 
partly cloudy in the evening then clearing. waves 2 to 4 ft. 
.monday...south winds 20 to 25 kt. showers likely and a chance of
thunderstorms. waves 2 to 4 ft. 
.monday night...south winds 20 to 25 kt. chance of showers and
slight chance of thunderstorms. waves 2 to 4 ft.  

$$

fzus53 kmkx 171610
nshmkx
expires:202605172200;;716670

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-172200-
sheboygan to port washington wi-
1110 am cdt sun may 17 2026

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots. patchy fog through the day. showers and slight
chance of thunderstorms early in the afternoon. chance of showers
and thunderstorms late in the afternoon. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots veering southeast late
in the evening, then becoming south 15 to 20 knots after
midnight. slight chance of showers and thunderstorms through
around midnight. patchy fog through the night. waves 3 to 4 feet
building to 4 to 6 feet after midnight. 
.monday...south wind 15 to 20 knots. gusts up to 25 knots. slight
chance of thunderstorms in the morning. rain showers likely
through the day. chance of thunderstorms in the afternoon. waves
5 to 7 feet subsiding to 4 to 6 feet late in the afternoon. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. rain showers likely and a chance of
thunderstorms. waves 4 to 6 feet. a small craft advisory may be
needed. 

$$

fzus53 kmkx 171610
nshmkx
expires:202605172200;;716671

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-172200-
port washington to north point light wi-
1110 am cdt sun may 17 2026

.rest of today...northeast wind 10 to 15 knots. patchy fog
through the day. chance of showers early in the afternoon. slight
chance of thunderstorms through the day. slight chance of showers
late in the afternoon. waves 2 to 4 feet. 
.tonight...east wind 10 to 15 knots veering southeast with gusts
to around 20 knots late in the evening, then becoming south 15 to
20 knots after midnight. patchy fog through around midnight.
waves 3 to 4 feet building to 4 to 6 feet early in the morning. 
.monday...south wind 15 to 20 knots becoming 10 to 20 knots early
in the afternoon, then becoming 15 to 20 knots late in the
afternoon. gusts up to 25 knots. rain showers likely and a chance
of thunderstorms. waves 3 to 5 feet. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. rain showers likely through around
midnight. chance of thunderstorms through the night. chance of
showers after midnight. waves 3 to 4 feet building to 3 to 5 feet
early in the morning. a small craft advisory may be needed. 

$$

fzus53 kmkx 171610
nshmkx
expires:202605172200;;716673

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-172200-
wind point wi to winthrop harbor il-
1110 am cdt sun may 17 2026

.rest of today...east wind 10 to 15 knots veering southeast with
gusts to around 20 knots late in the afternoon. chance of showers
and slight chance of thunderstorms early in the afternoon. waves
1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...southeast wind 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. mostly cloudy through
around midnight then becoming partly cloudy. waves 3 to 4 feet. 
.monday...south wind 15 to 20 knots. gusts up to 25 knots. rain
showers likely and a chance of thunderstorms through the day.
waves 3 to 4 feet. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. showers likely through around midnight.
chance of thunderstorms through the night. chance of showers
after midnight. waves 3 to 4 feet. a small craft advisory may be
needed. 

$$

fzus53 kmkx 171610
nshmkx
expires:202605172200;;716672

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-172200-
north point light to wind point wi-
1110 am cdt sun may 17 2026

.rest of today...northeast wind 10 to 15 knots veering east late
in the afternoon. chance of showers early in the afternoon.
slight chance of thunderstorms through the day. slight chance of
showers late in the afternoon. waves 2 to 4 feet. 
.tonight...southeast wind 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. mostly cloudy. waves
3 to 4 feet. 
.monday...south wind 15 to 20 knots becoming 10 to 20 knots in
the late morning and early afternoon, then becoming 15 to
20 knots late in the afternoon. gusts up to 25 knots. rain
showers likely and a chance of thunderstorms. waves 3 to 4 feet. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. showers likely through around midnight.
chance of thunderstorms through the night. chance of showers
after midnight. waves 3 to 4 feet. a small craft advisory may be
needed. 

$$