fzus53 kapx 151409
nshapx
expires:202605152215;;601888

nearshore marine forecast
national weather service gaylord mi
1009 am edt fri may 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.


lmz346-152215-
manistee to point betsie mi-
1009 am edt fri may 15 2026

...small craft advisory in effect through late tonight...

.today...south wind 15 to 20 knots with gusts to around 30 knots.
partly sunny in the late morning then clearing. waves 2 to 4 feet
building to 4 to 6 feet in the afternoon. 
.tonight...south wind 10 to 20 knots. chance of showers. waves
4 to 6 feet. 
.saturday...southwest wind 10 to 15 knots. partly sunny. waves
2 to 4 feet. 
.saturday night...east wind 5 to 10 knots. mostly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 151508
nshgrb
expires:202605152200;;603559

nearshore marine forecast
national weather service green bay wi
1008 am cdt fri may 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-
1008 am cdt fri may 15 2026

...small craft advisory in effect through saturday morning...

.this afternoon...s wind to 30 kts. waves 4 to 7 ft building to
6 to 10 ft in the afternoon. partly cloudy. 
.tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts after
midnight. waves 6 to 10 ft subsiding to 4 to 7 ft after midnight.
a chance of showers and a slight chance of thunderstorms after
midnight. 
.saturday...w wind 10 to 15 kts. waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. partly cloudy in the morning then
clearing. 
.saturday night...sw wind 5 to 10 kts backing e 10 to 15 kts in
the late evening and overnight. waves 1 to 3 ft. mostly clear in
the evening then becoming mostly cloudy.  

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600856

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-152100-
holland to grand haven mi-
936 am edt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south winds 20 to 25 knots. mostly cloudy late in
the morning then becoming mostly sunny. waves 2 to 4 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy with a chance
of rain showers and a slight chance of thunderstorms. waves 2 to
4 feet. 
.saturday...southwest winds 15 to 20 knots decreasing to around
10 knots early in the afternoon. partly sunny with a chance of rain
showers and a slight chance of thunderstorms. waves 2 to 3 feet. 
.saturday night...south winds 5 to 10 knots backing southeast after
midnight. mostly cloudy with a chance of rain showers. waves 1 to
2 feet. 
.sunday...southeast winds 10 to 15 knots veering south early in the
afternoon. mostly cloudy with a chance of rain showers. waves around
1 foot. 
.monday...south winds 20 to 25 knots. mostly sunny with a chance of
rain showers. waves 3 to 5 feet. 
.tuesday...southwest winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 5 to 7 feet. 

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600855

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-152100-
grand haven to whitehall mi-
936 am edt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south winds 20 to 25 knots. mostly cloudy late in
the morning then becoming mostly sunny. waves 3 to 5 feet. 
.tonight...south winds 20 to 25 knots. partly cloudy with a chance
of rain showers and a slight chance of thunderstorms. waves 3 to
5 feet. 
.saturday...south winds 10 to 20 knots. mostly cloudy with a chance
of rain showers and a slight chance of thunderstorms. waves 2 to
4 feet.
.saturday night...south winds 5 to 10 knots backing southeast after
midnight. mostly cloudy. waves 1 to 2 feet. 
.sunday...southeast winds 10 to 20 knots veering south early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 to
3 feet. 
.monday...south winds to 30 knots. mostly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 6 to 8 feet. 

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600854

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-152100-
whitehall to pentwater mi-
936 am edt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south winds to 30 knots. partly sunny. waves 4 to
6 feet. 
.tonight...south winds to 30 knots. partly cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves 4 to
6 feet. 
.saturday...south winds 10 to 20 knots. mostly cloudy with a chance
of rain showers and a slight chance of thunderstorms. waves 2 to
4 feet.
.saturday night...south winds 5 to 10 knots backing east after
midnight. partly cloudy. waves 1 to 2 feet. 
.sunday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers. waves 2 to 3 feet. 
.monday...south winds to 30 knots. mostly sunny with rain showers
likely. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 6 to 9 feet. 

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600853

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-152100-
pentwater to manistee mi-
936 am edt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south winds to 30 knots. partly sunny. waves 4 to
6 feet. 
.tonight...south winds to 30 knots. partly cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves 4 to
6 feet. 
.saturday...south winds 10 to 20 knots. partly sunny with a chance
of rain showers and a slight chance of thunderstorms. waves 2 to
4 feet.
.saturday night...south winds 5 to 15 knots backing east after
midnight. partly cloudy. waves 1 to 3 feet. 
.sunday...east winds 10 to 15 knots veering southeast 15 to 20 knots
early in the afternoon. mostly cloudy with a chance of rain showers.
waves 1 to 2 feet. 
.monday...south winds to 30 knots. mostly sunny with rain showers
likely. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 6 to 9 feet. 

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600858

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-152100-
st joseph to south haven mi-
936 am edt fri may 15 2026

.rest of today...south winds 15 to 20 knots. mostly cloudy late in
the morning then becoming mostly sunny. waves 1 to 3 feet. 
.tonight...south winds 15 to 20 knots. partly cloudy with a chance
of thunderstorms and a slight chance of rain showers. waves 1 to
2 feet. 
.saturday...south winds 10 to 20 knots veering southwest 5 to
10 knots early in the afternoon. rain showers likely and a chance of
thunderstorms. waves 1 to 2 feet. 
.saturday night...south winds 5 to 10 knots. partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 foot or less. 
.sunday...south winds 5 to 15 knots. partly sunny with a chance of
rain showers and a slight chance of thunderstorms. waves around
1 foot. 
.monday...south winds 15 to 20 knots. mostly sunny with a chance of
showers and thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest winds 20 to 25 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 3 to 5 feet. 

$$

fzus53 kgrr 151336
nshgrr
expires:202605152100;;600857

nearshore marine forecast
national weather service grand rapids mi
936 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-152100-
south haven to holland mi-
936 am edt fri may 15 2026

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

$$

fzus53 kiwx 151514
nshiwx
expires:202605152015;;604069

nearshore marine forecast
national weather service northern indiana
1114 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz046-152015-
michigan city in to new buffalo mi-
1114 am edt fri may 15 2026

.rest of today...south winds 10 to 15 knots. decreasing clouds. 
waves 2 feet or less. 
.tonight...south winds 10 to 15 knots. a chance of showers and
thunderstorms overnight. waves 2 feet or less. 
.saturday...south winds 5 to 15 knots becoming west less than
10 knots. showers likely with a chance of thunderstorms in the
morning. waves 2 feet or less. 
.saturday night...east winds less than 10 knots becoming south. a
chance of showers overnight. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 52 degrees.

$$

fzus53 kiwx 151514
nshiwx
expires:202605152015;;604070

nearshore marine forecast
national weather service northern indiana
1114 am edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-152015-
new buffalo mi to st joseph mi-
1114 am edt fri may 15 2026

.rest of today...south winds 10 to 15 knots. decreasing clouds. 
waves 1 to 2 feet. 
.tonight...south winds 10 to 15 knots. a chance of showers and
thunderstorms overnight. waves 2 feet or less. 
.saturday...south winds 5 to 15 knots becoming west less than
10 knots. showers likely with a chance of thunderstorms in the
morning. waves 2 feet or less. 
.saturday night...light and variable winds. a chance of showers
overnight. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 52 degrees.

$$

fzus53 klot 151500
nshlot
expires:202605152115;;603235

nearshore marine forecast
national weather service chicago/romeoville il
1000 am cdt fri may 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-
1000 am cdt fri may 15 2026

...small craft advisory in effect until 7 pm cdt this evening...

.rest of today...south winds 20 to 25 kt. mostly cloudy late in 
the morning, then becoming partly cloudy. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt. showers likely and a chance
of thunderstorms overnight. waves 1 to 3 ft. variable and gusty
winds and higher waves in and near showers and thunderstorms.
.saturday...south winds 10 to 20 kt becoming southwest and then
diminishing to around 10 kt late. showers likely and a chance of 
thunderstorms in the morning, then chance of showers and slight 
chance of thunderstorms in the afternoon. waves 1 to 2 ft.
.saturday night...south winds 5 to 10 kt becoming southeast. 
chance of showers and slight chance of thunderstorms in the 
evening, then chance of showers overnight. waves around 1 ft. 

$$

fzus53 klot 151500
nshlot
expires:202605152115;;603234

nearshore marine forecast
national weather service chicago/romeoville il
1000 am cdt fri may 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-
1000 am cdt fri may 15 2026

...small craft advisory in effect until 7 pm cdt this evening...

.rest of today...south winds 20 to 25 kt with occasional gusts to
30 kt. mostly cloudy late in the morning, then becoming partly 
cloudy. waves 2 to 4 ft.
.tonight...south winds 10 to 20 kt. showers likely and a chance
of thunderstorms overnight. waves 2 to 4 ft. variable and gusty
winds and higher waves in and near showers and thunderstorms.
.saturday...south winds 10 to 20 kt becoming southwest and then 
southeast around 10 kt late. chance of showers and a slight 
chance of thunderstorms, mainly in the morning. waves 1 to 3 ft.
.saturday night...southeast winds 5 to 10 kt. chance of showers 
and a slight chance of thunderstorms. waves 1 to 2 ft. 

$$

fzus53 kmkx 151410
nshmkx
expires:202605152200;;602278

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz645-152200-
north point light to wind point wi-
910 am cdt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south wind 15 to 20 knots becoming 10 to
20 knots early in the afternoon, then rising to 15 to 25 knots
late in the afternoon. partly sunny late in the morning then
clearing. waves 3 to 4 feet. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming south 15 to 20 knots after midnight, then
becoming southwest 10 to 15 knots early in the morning. chance of
showers and thunderstorms after midnight. waves 3 to 4 feet. 
.saturday...southwest wind 10 to 15 knots veering west late in
the morning, then becoming southwest 5 to 10 knots in the
afternoon. slight chance of showers and thunderstorms in the
morning. waves 1 to 2 feet. 
.saturday night...south wind 5 to 10 knots backing southeast
early in the morning. slight chance of thunderstorms through
around midnight. chance of showers through the night. waves
around 1 foot. 

$$

fzus53 kmkx 151410
nshmkx
expires:202605152200;;602277

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz644-152200-
port washington to north point light wi-
910 am cdt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south wind 15 to 20 knots becoming 15 to
25 knots early in the afternoon, then becoming south 15 to
25 knots late in the afternoon. mostly sunny. waves 3 to 4 feet
building to 4 to 6 feet in the afternoon. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots after midnight, then veering
southwest early in the morning. rain showers likely and a chance
of thunderstorms after midnight. waves 4 to 6 feet subsiding to
3 to 4 feet. 
.saturday...southwest wind 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon, then backing
southwest late in the afternoon. slight chance of showers and
thunderstorms in the morning. waves 1 to 2 feet. 
.saturday night...south wind 5 to 10 knots backing southeast
after midnight, then becoming east 10 to 15 knots early in the
morning. slight chance of showers and thunderstorms through
around midnight, then chance of showers after midnight. waves
around 1 foot. 

$$

fzus53 kmkx 151410
nshmkx
expires:202605152200;;602276

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-152200-
sheboygan to port washington wi-
910 am cdt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south wind 10 to 20 knots rising to 15 to
25 knots in the afternoon. gusts up to 30 knots. mostly sunny.
waves 4 to 6 feet building to 6 to 8 feet. 
.tonight...south wind 15 to 25 knots with gusts to around
30 knots becoming 15 to 20 knots with gusts to around 25 knots in
the late evening and early morning, then becoming southwest 10 to
15 knots with gusts to around 20 knots early in the morning.
chance of showers and slight chance of thunderstorms after
midnight. waves 6 to 8 feet subsiding to 3 to 5 feet. 
.saturday...southwest wind 10 to 15 knots veering west late in
the morning, then becoming west 10 to 15 knots in the afternoon.
partly sunny in the morning then clearing. waves 3 to 4 feet
subsiding to 1 to 2 feet in the afternoon. 
.saturday night...southwest wind 5 to 10 knots backing south late
in the evening, then backing east after midnight becoming
northeast 10 to 15 knots early in the morning. slight chance of
showers through around midnight, then chance of showers after
midnight. waves 1 to 2 feet. 

$$

fzus53 kmkx 151410
nshmkx
expires:202605152200;;602279

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 am cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz646-152200-
wind point wi to winthrop harbor il-
910 am cdt fri may 15 2026

...small craft advisory in effect through late tonight...

.rest of today...south wind 15 to 20 knots. gusts up to 25 knots.
partly sunny late in the morning then clearing. waves 3 to
4 feet. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming south 15 to 20 knots after midnight, then
becoming southwest 10 to 15 knots early in the morning. rain
showers likely and a chance of thunderstorms after midnight.
waves 3 to 4 feet. 
.saturday...southwest wind 10 to 15 knots veering west late in
the morning, then easing to 5 to 10 knots early in the afternoon
backing southwest late in the afternoon. slight chance of showers
and thunderstorms in the morning. waves 1 to 2 feet. 
.saturday night...south wind 5 to 10 knots backing southeast
early in the morning. chance of showers and slight chance of
thunderstorms through the night. waves around 1 foot. 

$$