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fzus53 kapx 181900
nshapx
expires:202507190300;;669027

nearshore marine forecast
national weather service gaylord mi
300 pm edt fri jul 18 2025

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.


lmz345-346-190300-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
300 pm edt fri jul 18 2025

.tonight...light winds. mostly cloudy. waves 2 feet or less. 
.saturday...southwest wind 5 to 10 knots. numerous showers and
scattered thunderstorms. waves 2 feet or less. 
.saturday night...north wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.sunday...north wind 5 to 10 knots. sunny. 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 kgrb 182153
nshgrb
expires:202507190100;;677046

nearshore marine forecast
national weather service green bay wi
453 pm cdt fri jul 18 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-190100-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
453 pm cdt fri jul 18 2025

.rest of this afternoon...s wind 5 to 10 kts. mostly sunny. waves
2 ft or less. 
.tonight...s wind 5 to 10 kts. a slight chance of light showers
and thunderstorms after midnight. waves 2 ft or less. 
.saturday...s wind 5 to 10 kts veering nw in the afternoon. a
chance of light showers and thunderstorms. waves 2 ft or less. 
.saturday night...n wind 5 to 10 kts. partly cloudy. waves 2 ft
or less. 
.sunday...ne wind 5 to 10 kts. mostly sunny. waves 2 ft or less. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672119

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
405 pm edt fri jul 18 2025

.through early evening...northwest winds 5 to 10 knots. sunny. waves
less than 1 foot. 
.tonight...northwest winds 5 to 15 knots veering east late at night,
then veering south toward daybreak. partly cloudy. waves 1 foot or
less. 
.saturday...south winds 10 to 15 knots veering southwest late in the
day. rain showers likely and a chance of thunderstorms. waves 1 to
3 feet. 
.saturday night...northwest winds around 10 knots veering north
after midnight. partly cloudy with a slight chance of showers and
thunderstorms. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming around 15 knots late
in the day. mostly sunny. waves around 1 foot. 
.sunday night...north winds 10 to 15 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.monday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.wednesday...southwest winds 15 to 20 knots. partly sunny. waves
2 to 3 feet. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672122

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz844-190800-
st joseph to south haven mi-
405 pm edt fri jul 18 2025

.through early evening...north winds 5 to 10 knots. mostly sunny.
waves less than 1 foot. 
.tonight...southeast winds 5 to 15 knots veering south toward
daybreak. partly cloudy. waves 1 foot or less. 
.saturday...southwest winds 10 to 20 knots. partly sunny with a
chance of showers and thunderstorms. waves 1 to 2 feet. 
.saturday night...west winds 10 to 15 knots veering north toward
daybreak. partly cloudy with a chance of showers and thunderstorms.
waves around 1 foot. 
.sunday...north winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...north winds 10 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 2 feet. 
.monday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.tuesday...southeast winds 10 to 15 knots veering south late in the
day. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672121

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
405 pm edt fri jul 18 2025

.through early evening...northwest winds 5 to 10 knots. mostly
sunny. waves less than 1 foot. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 to 20 knots veering southwest late in the
day. mostly cloudy with a chance of showers and thunderstorms. waves
1 to 2 feet. 
.saturday night...west winds 10 to 15 knots veering north after
midnight. partly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet. 
.sunday...northeast winds 10 to 15 knots backing north late in the
day. mostly sunny. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.monday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.tuesday...southeast winds 10 to 15 knots veering south late in the
day. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds 10 to 15 knots. mostly sunny. waves
1 to 2 feet. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672120

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
405 pm edt fri jul 18 2025

.through early evening...northwest winds 5 to 10 knots. sunny. waves
less than 1 foot. 
.tonight...north winds 5 to 10 knots veering southeast late at
night, then veering south 10 to 15 knots toward daybreak. partly
cloudy. waves 1 foot or less. 
.saturday...south winds 10 to 20 knots veering southwest late in the
day. mostly cloudy with a chance of thunderstorms and a slight
chance of rain showers. waves 1 to 3 feet. 
.saturday night...west winds 10 to 15 knots veering north after
midnight. partly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming around 15 knots late
in the day. mostly sunny. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.monday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.wednesday...southwest winds 15 to 20 knots. partly sunny. waves
1 to 3 feet. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672118

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
405 pm edt fri jul 18 2025

.through early evening...northwest winds 5 to 10 knots. sunny. waves
less than 1 foot. 
.tonight...northwest winds around 5 knots veering southeast late at
night, then veering south 5 to 15 knots toward daybreak. partly
cloudy in the evening then becoming mostly cloudy. waves less than
1 foot. 
.saturday...south winds 10 to 15 knots veering southwest late in the
day. rain showers likely and a chance of thunderstorms. waves 1 to
2 feet. 
.saturday night...northwest winds 10 to 15 knots veering north after
midnight. partly cloudy with a slight chance of showers and
thunderstorms. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...north winds 10 to 15 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.monday...southeast winds 10 to 15 knots backing northeast late in
the day. mostly sunny. waves 1 foot or less. 
.tuesday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.wednesday...southwest winds around 15 knots. partly sunny with a
chance of showers and thunderstorms. waves 2 to 3 feet. 

$$
fzus53 kgrr 182005
nshgrr
expires:202507190800;;672117

nearshore marine forecast
national weather service grand rapids mi
405 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
405 pm edt fri jul 18 2025

.through early evening...northwest winds 5 to 10 knots. sunny. waves
less than 1 foot. 
.tonight...north winds 5 to 10 knots veering southeast after
midnight. partly cloudy in the evening then becoming mostly cloudy.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots veering southwest late in the
day. mostly cloudy with a chance of showers and thunderstorms. waves
around 1 foot. 
.saturday night...north winds 10 to 20 knots veering northeast
toward daybreak. partly cloudy. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots. sunny. waves around 1 foot. 
.sunday night...northeast winds 10 to 15 knots veering east toward
daybreak. mostly clear. waves around 1 foot. 
.monday...east winds 10 to 15 knots backing north late in the day.
mostly sunny. waves 1 foot or less. 
.tuesday...south winds 10 to 15 knots. partly sunny. waves around
1 foot. 
.wednesday...southwest winds 10 to 15 knots. partly sunny with a
chance of rain showers. waves 2 to 3 feet. 

$$
fzus53 kiwx 181936
nshiwx
expires:202507190215;;670661

nearshore marine forecast
national weather service northern indiana
336 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz046-190215-
michigan city in to new buffalo mi-
336 pm edt fri jul 18 2025

.tonight...northeast winds less than 10 knots becoming south.
partly cloudy. waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest.
scattered showers with a slight chance of thunderstorms in the
morning, then numerous showers with a chance of thunderstorms in
the afternoon. waves 1 foot or less. 
.saturday night...west winds 5 to 10 knots becoming north. a
chance of showers and thunderstorms. waves 1 foot or less. 
.sunday...north winds 5 to 10 knots. a chance of showers in the
morning. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 75 degrees.

$$
fzus53 kiwx 181936
nshiwx
expires:202507190215;;670662

nearshore marine forecast
national weather service northern indiana
336 pm edt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz043-190215-
new buffalo mi to st joseph mi-
336 pm edt fri jul 18 2025

.tonight...northeast winds less than 10 knots. partly cloudy.
waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
slight chance of thunderstorms with isolated showers in the
morning, then numerous showers with a chance of thunderstorms in
the afternoon. waves 2 feet or less. 
.saturday night...west winds 5 to 10 knots becoming north. a
chance of showers and thunderstorms. waves 1 to 2 feet. 
.sunday...north winds 5 to 10 knots. a chance of showers in the
morning. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 75 degrees.

$$
fzus53 klot 181957
nshlot
expires:202507190315;;671367

nearshore marine forecast
national weather service chicago/romeoville il
257 pm cdt fri jul 18 2025

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>745-190315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
257 pm cdt fri jul 18 2025

.tonight...northeast winds 5 to 10 kt becoming south late. 
mostly clear in the evening, then becoming mostly cloudy.
waves 1 to 3 ft. 
.saturday...south winds 10 to 15 kt becoming southwest in the
afternoon. chance of showers and thunderstorms in the morning,
then showers likely and a chance of thunderstorms in the
afternoon. waves 1 to 2 ft. 
.saturday night...west winds 10 to 15 kt becoming north
overnight. chance of showers and thunderstorms. waves 1 to 2 ft. 
.sunday...north winds 10 to 15 kt. slight chance of showers and
thunderstorms in the morning. waves 1 to 3 ft.

$$
fzus53 klot 181957
nshlot
expires:202507190315;;671366

nearshore marine forecast
national weather service chicago/romeoville il
257 pm cdt fri jul 18 2025

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>742-190315-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
257 pm cdt fri jul 18 2025

.tonight...east winds 5 to 10 kt becoming south late. mostly
clear in the evening, then becoming mostly cloudy. waves 1 to 3 
ft.
.saturday...south winds 10 to 15 kt becoming southwest in the
afternoon. showers likely and a chance of thunderstorms. waves 
1 to 2 ft. 
.saturday night...northwest winds 5 to 10 kt becoming north 10 
to 15 kt overnight. chance of showers and thunderstorms in the 
evening, then slight chance of showers and thunderstorms 
overnight. waves 1 to 3 ft. 
.sunday...northeast winds 10 to 15 kt. slight chance of showers
and thunderstorms in the morning. waves 2 to 4 ft.

$$
fzus53 kmkx 182205
nshmkx
expires:202507190400;;677570

nearshore marine forecast
national weather service milwaukee/sullivan wi
505 pm cdt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz646-190400-
wind point wi to winthrop harbor il-
505 pm cdt fri jul 18 2025

.tonight...southeast wind 5 to 10 knots veering south early in
the morning. partly cloudy. waves around 1 foot. 
.saturday...south wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering southwest early in the
afternoon easing to 5 to 10 knots late in the afternoon. showers
likely and slight chance of thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon. waves
around 1 foot. 
.saturday night...north wind 5 to 10 knots rising to 10 to
15 knots late in the evening, then becoming north 10 to 15 knots
after midnight. chance of showers and thunderstorms through
around midnight. waves around 1 foot building to 2 to 4 feet
early in the morning. 
.sunday...northeast wind 10 to 15 knots. partly sunny. waves 2 to
4 feet. 

$$
fzus53 kmkx 182205
nshmkx
expires:202507190400;;677569

nearshore marine forecast
national weather service milwaukee/sullivan wi
505 pm cdt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz645-190400-
north point light to wind point wi-
505 pm cdt fri jul 18 2025

.tonight...southeast wind 5 to 10 knots veering south early in
the morning. partly cloudy through around midnight then becoming
mostly cloudy. waves around 1 foot. 
.saturday...south wind 10 to 15 knots veering west late in the
afternoon. showers likely in the morning. chance of thunderstorms
through the day. chance of showers in the afternoon. waves around
1 foot. 
.saturday night...north wind 5 to 10 knots rising to 10 to
15 knots in the late evening and early morning, then becoming
north 10 to 15 knots early in the morning. chance of showers and
thunderstorms through around midnight. waves around 1 foot
building to 2 to 4 feet early in the morning. 
.sunday...northeast wind 10 to 15 knots. partly sunny. waves 2 to
4 feet. 

$$
fzus53 kmkx 182205
nshmkx
expires:202507190400;;677567

nearshore marine forecast
national weather service milwaukee/sullivan wi
505 pm cdt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz643-190400-
sheboygan to port washington wi-
505 pm cdt fri jul 18 2025

.tonight...south wind 5 to 10 knots. partly cloudy through around
midnight then becoming mostly cloudy. waves around 1 foot. 
.saturday...south wind 5 to 10 knots veering west late in the
afternoon. showers likely in the morning. chance of thunderstorms
through the day. chance of showers in the afternoon. waves around
1 foot. 
.saturday night...north wind 5 to 10 knots rising to 10 to
15 knots in the late evening and overnight. chance of showers and
thunderstorms through around midnight. waves 1 to 2 feet. 
.sunday...northeast wind 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 

$$
fzus53 kmkx 182205
nshmkx
expires:202507190400;;677568

nearshore marine forecast
national weather service milwaukee/sullivan wi
505 pm cdt fri jul 18 2025

for waters within five nautical miles of shore on lake michigan


lmz644-190400-
port washington to north point light wi-
505 pm cdt fri jul 18 2025

.tonight...southeast wind 5 to 10 knots veering south early in
the morning. partly cloudy through around midnight then becoming
mostly cloudy. waves around 1 foot. 
.saturday...south wind 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon, then becoming
west 5 to 10 knots late in the afternoon. showers likely in the
morning. chance of thunderstorms through the day. chance of
showers in the afternoon. waves around 1 foot. 
.saturday night...north wind 5 to 10 knots rising to 10 to
15 knots in the late evening and overnight. chance of showers and
thunderstorms through around midnight. waves 1 to 2 feet. 
.sunday...northeast wind 10 to 15 knots. partly sunny. waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon. 

$$
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