fzus53 kapx 151837
nshapx
expires:202605160245;;612730

nearshore marine forecast
national weather service gaylord mi
237 pm 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.


lmz346-160245-
manistee to point betsie mi-
237 pm edt fri may 15 2026

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

.tonight...south wind 10 to 20 knots. gusts to 25 knots. chance 
of showers and slight chance of thunderstorms after midnight. 
waves 4 to 6 feet.
.saturday...southwest wind 10 to 15 knots. partly sunny. waves
2 to 4 feet. 
.saturday night...northeast wind 5 to 10 knots. partly cloudy.
waves 2 to 3 feet. 
.sunday...east wind 10 to 15 knots. chance of showers. 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 kgrr 152058
nshgrr
expires:202605160800;;617858

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-160800-
pentwater to manistee mi-
458 pm edt fri may 15 2026

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

.through early evening...south winds to 30 knots. mostly sunny.
waves 4 to 6 feet. 
.tonight...south winds to 30 knots. clear in the evening, then
mostly cloudy with a chance of rain showers and a slight chance of
thunderstorms after midnight. waves 4 to 6 feet. 
.saturday...south winds 15 to 25 knots veering southwest 10 to
15 knots in the late morning and afternoon. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
3 to 5 feet. 
.saturday night...southwest winds 5 to 15 knots backing northeast
after midnight. partly cloudy. waves 2 to 3 feet. 
.sunday...east winds 10 to 20 knots veering southeast early in the
afternoon. partly sunny with a chance of rain showers. waves around
1 foot. 
.sunday night...southeast winds to 30 knots veering south after
midnight. partly cloudy. waves 2 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. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 6 to 9 feet. 
.wednesday...west winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 152058
nshgrr
expires:202605160800;;617863

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-160800-
st joseph to south haven mi-
458 pm edt fri may 15 2026

.through early evening...south winds around 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...south winds 15 to 20 knots. clear in the evening, then
rain showers likely and a chance of thunderstorms after midnight.
waves 1 to 2 feet. 
.saturday...southwest winds 15 to 20 knots decreasing to 5 to
10 knots early in the afternoon. rain showers likely and a chance of
thunderstorms. waves 1 to 3 feet. 
.saturday night...south winds 5 to 10 knots. partly cloudy. waves
around 1 foot. 
.sunday...southeast winds 5 to 15 knots. partly sunny with a chance
of rain showers. waves around 1 foot. 
.sunday night...south winds 15 to 20 knots. partly cloudy. waves
1 to 3 feet. 
.monday...south winds 15 to 25 knots. mostly sunny with rain showers
likely and a chance of 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. 
.wednesday...northwest winds 10 to 20 knots. mostly sunny. waves
2 to 4 feet.

$$

fzus53 kgrr 152058
nshgrr
expires:202605160800;;617862

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-160800-
south haven to holland mi-
458 pm edt fri may 15 2026

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves 2 to 3 feet. 
.tonight...south winds 15 to 20 knots. clear in the evening, then
rain showers likely and a chance of thunderstorms after midnight.
waves 1 to 3 feet. 
.saturday...southwest winds 15 to 20 knots decreasing to 5 to
10 knots early in the afternoon. partly sunny with a chance of
showers and thunderstorms. waves 2 to 3 feet. 
.saturday night...south winds 5 to 10 knots. partly cloudy. waves
1 to 2 feet. 
.sunday...southeast winds 5 to 15 knots. mostly cloudy with a chance
of rain showers. waves 1 foot or less. 
.sunday night...south winds 15 to 20 knots. partly cloudy. waves
1 to 3 feet building to 2 to 4 feet after midnight. 
.monday...south winds 20 to 25 knots. mostly sunny. 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. 
.wednesday...northwest winds 10 to 20 knots. mostly sunny. waves
3 to 5 feet. 

$$

fzus53 kgrr 152058
nshgrr
expires:202605160800;;617861

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-160800-
holland to grand haven mi-
458 pm edt fri may 15 2026

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

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...south winds 15 to 25 knots. clear in the evening, then
partly cloudy with a chance of showers and thunderstorms after
midnight. 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
showers and thunderstorms. waves 2 to 4 feet. 
.saturday night...south winds 5 to 10 knots backing southeast after
midnight. partly cloudy. waves 1 to 3 feet. 
.sunday...east winds 10 to 15 knots veering southeast early in the
afternoon. mostly cloudy with a chance of rain showers. waves around
1 foot. 
.sunday night...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 20 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 6 to 8 feet. 
.wednesday...northwest winds 15 to 20 knots. mostly sunny. waves
3 to 5 feet. 

$$

fzus53 kgrr 152058
nshgrr
expires:202605160800;;617860

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-160800-
grand haven to whitehall mi-
458 pm edt fri may 15 2026

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

.through early evening...south winds 20 to 25 knots. mostly sunny.
waves 3 to 5 feet. 
.tonight...south winds 20 to 25 knots. clear in the evening, then
mostly cloudy with a chance of showers and thunderstorms after
midnight. waves 3 to 5 feet. 
.saturday...southwest winds 15 to 20 knots decreasing to around
10 knots early in the afternoon. partly sunny with a chance of
showers and thunderstorms. waves 2 to 4 feet. 
.saturday night...south winds 5 to 10 knots backing southeast 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. 
.sunday night...south winds 15 to 25 knots. partly cloudy. waves
3 to 6 feet.
.monday...south winds to 30 knots. mostly sunny. waves 5 to 7 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with 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. 

$$

fzus53 kgrr 152058
nshgrr
expires:202605160800;;617859

nearshore marine forecast
national weather service grand rapids mi
458 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-160800-
whitehall to pentwater mi-
458 pm edt fri may 15 2026

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

.through early evening...south winds to 30 knots. sunny. waves 4 to
6 feet. 
.tonight...south winds 20 to 25 knots. clear in the evening, then
rain showers likely and a chance of thunderstorms after midnight.
waves 4 to 6 feet. 
.saturday...southwest winds 10 to 20 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 3 to 5 feet. 
.saturday night...south winds 5 to 15 knots backing east after
midnight. partly cloudy. waves 2 to 3 feet. 
.sunday...east winds 10 to 20 knots veering southeast early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 to
3 feet. 
.sunday night...south winds to 30 knots. partly cloudy. waves 3 to
6 feet.
.monday...south winds to 30 knots. partly sunny with rain showers
likely and a chance of thunderstorms. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots. partly sunny with 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. 

$$

fzus53 kiwx 151928
nshiwx
expires:202605160215;;614772

nearshore marine forecast
national weather service northern indiana
328 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-160215-
new buffalo mi to st joseph mi-
328 pm edt fri may 15 2026

.tonight...south winds 10 to 15 knots. a chance of showers and
thunderstorms late. 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, then a slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.saturday night...light and variable winds. a chance of showers
overnight. waves 1 foot or less. 
.sunday...southeast winds 10 knots or less becoming south 10 to
15 knots. a chance of showers. waves 2 feet 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 151928
nshiwx
expires:202605160215;;614771

nearshore marine forecast
national weather service northern indiana
328 pm edt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz046-160215-
michigan city in to new buffalo mi-
328 pm edt fri may 15 2026

.tonight...south winds 10 to 15 knots. a chance of showers and
thunderstorms late. 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, then a slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.saturday night...east winds less than 10 knots becoming south. a
chance of showers overnight. waves 1 foot or less. 
.sunday...southeast winds 10 knots or less becoming south 10 to
15 knots. a chance of showers in the morning. 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 152008
nshlot
expires:202605160345;;616162

nearshore marine forecast
national weather service chicago/romeoville il
308 pm 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>745-160345-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
308 pm cdt fri may 15 2026

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

.late this afternoon...south winds 20 to 25 kt. partly cloudy.
waves 1 to 3 ft. 
.tonight...south winds 15 to 20 kt becoming southwest. showers
and scattered thunderstorms after midnight. 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. scattered showers and a slight 
chance of thunderstorms in the morning, then slight chance of 
showers and thunderstorms in the afternoon. waves 1 to 2 ft. 
.saturday night...south winds 5 to 10 kt becoming southeast. 
slight chance of showers and thunderstorms. waves around 1 ft. 
.sunday...southeast winds 10 to 15 kt becoming south and
increasing to 15 to 25 kt. slight chance of showers and
thunderstorms in the morning. waves 1 to 3 ft.  

$$

fzus53 klot 152008
nshlot
expires:202605160345;;616161

nearshore marine forecast
national weather service chicago/romeoville il
308 pm 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>742-160345-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
308 pm cdt fri may 15 2026

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

.late this afternoon...south winds 20 to 25 kt. mostly sunny.
waves 2 to 4 ft. 
.tonight...south winds 10 to 20 kt becoming southwest late.
showers and scattered thunderstorms after midnight. 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. scattered showers and a slight 
chance of thunderstorms in the morning, then slight chance of 
showers and thunderstorms in the afternoon. waves 1 to 3 ft. 
.saturday night...southeast winds 5 to 10 kt. slight chance of 
showers and thunderstorms. waves around 1 ft. 
.sunday...southeast winds 10 to 15 kt increasing to 15 to 25 kt in
the afternoon. slight chance of showers and thunderstorms in the 
morning. waves 1 to 2 ft building to 2 to 4 ft. 

$$

fzus53 kmkx 152010
nshmkx
expires:202605160900;;616687

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz646-160900-
wind point wi to winthrop harbor il-
310 pm cdt fri may 15 2026

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

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

$$

fzus53 kmkx 152010
nshmkx
expires:202605160900;;616684

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-160900-
sheboygan to port washington wi-
310 pm cdt fri may 15 2026

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

.through early evening...south wind 15 to 25 knots. sunny. waves
5 to 7 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.
showers and thunderstorms likely after midnight. chance of
showers and thunderstorms early in the morning. waves 5 to 7 feet
subsiding to 3 to 4 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...west wind 5 to 15 knots backing southwest 5 to
10 knots late in the evening, then veering north 5 to 15 knots
after midnight veering northeast 10 to 15 knots early in the
morning. slight chance of showers after midnight. waves around
1 foot. 
.sunday...northeast wind 10 to 15 knots veering east late in the
morning, then rising to 15 to 20 knots early in the afternoon
veering southeast late in the afternoon. chance of showers
through the day. slight chance of thunderstorms in the afternoon.
waves 3 to 4 feet building to 4 to 6 feet late in the afternoon. 

$$

fzus53 kmkx 152010
nshmkx
expires:202605160900;;616685

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz644-160900-
port washington to north point light wi-
310 pm cdt fri may 15 2026

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

.through early evening...south wind 15 to 20 knots. sunny. waves
4 to 6 feet. 
.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. thunderstorms after midnight.
rain showers after midnight. chance of thunderstorms early in the
morning. waves 4 to 6 feet subsiding to 3 to 5 feet late in the
evening, then subsiding to 3 to 4 feet after midnight. 
.saturday...southwest wind 10 to 15 knots veering west in the
afternoon. slight chance of showers and thunderstorms in the
morning. waves 2 to 4 feet subsiding to 1 to 2 feet in the late
morning and afternoon. 
.saturday night...southwest wind 5 to 10 knots backing east after
midnight, then becoming northeast 10 to 15 knots early in the
morning. chance of showers after midnight. waves around 1 foot. 
.sunday...northeast wind 10 to 15 knots veering east late in the
morning, then becoming southeast 15 to 20 knots in the afternoon.
chance of showers through the day. slight chance of thunderstorms
in the afternoon. waves 1 to 2 feet building to 3 to 4 feet in
the late morning and afternoon. 

$$

fzus53 kmkx 152010
nshmkx
expires:202605160900;;616686

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt fri may 15 2026

for waters within five nautical miles of shore on lake michigan


lmz645-160900-
north point light to wind point wi-
310 pm cdt fri may 15 2026

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

.through early evening...south wind 15 to 20 knots. sunny. 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.
thunderstorms after midnight. rain showers after midnight. chance
of thunderstorms early in the morning. waves 3 to 4 feet. 
.saturday...southwest wind 10 to 15 knots veering west late in
the afternoon. slight chance of showers and thunderstorms in the
morning. waves 2 to 4 feet subsiding to 1 to 2 feet in the late
morning and afternoon. 
.saturday night...southwest wind 5 to 10 knots backing south late
in the evening, then backing southeast after midnight becoming
east 10 to 15 knots early in the morning. chance of showers and
slight chance of thunderstorms after midnight. waves around
1 foot. 
.sunday...northeast wind 10 to 15 knots veering east late in the
morning, then becoming southeast 15 to 20 knots in the afternoon.
chance of showers and slight chance of thunderstorms. waves 1 to
2 feet building to 3 to 4 feet in the late morning and afternoon.

$$