fzus53 kapx 151430
nshapx
expires:202608152230;;235252

nearshore marine forecast
national weather service gaylord mi
1030 am edt sat aug 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.


lmz346-152230-
manistee to point betsie mi-
1030 am edt sat aug 15 2026

.today...northeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.tonight...southeast wind 5 to 10 knots. slight chance of
showers. waves 2 feet or less. 
.sunday...west wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.sunday night...north wind 10 to 15 knots. mostly clear. waves
2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 151824
nshgrb
expires:202608152200;;244304

nearshore marine forecast
national weather service green bay wi
124 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz541-542-152200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-
124 pm cdt sat aug 15 2026

.this afternoon...e wind 5 to 10 kts. waves 1 to 3 ft. partly
cloudy. 
.tonight...e wind 5 to 10 kts veering s after midnight. waves
2 ft or less. a slight chance of showers and thunderstorms after
midnight. 
.sunday...sw wind 5 to 10 kts veering nw 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. partly sunny. 
.sunday night...n wind 10 to 15 kts. waves 2 ft or less. partly
cloudy.  

$$

fzus53 kgrb 151824
nshgrb
expires:202608152200;;244303

nearshore marine forecast
national weather service green bay wi
124 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz543-152200-
two rivers to sheboygan wi-
124 pm cdt sat aug 15 2026

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

.this afternoon...se wind 10 to 15 kts. waves 3 to 5 ft. partly
sunny. 
.tonight...se wind 5 to 10 kts veering s after midnight. waves
1 to 3 ft. patchy fog after midnight. a slight chance of showers
and thunderstorms after midnight. 
.sunday...w wind 5 to 10 kts veering nw 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. a chance of showers. 
.sunday night...n wind 10 to 15 kts. waves 2 ft or less. mostly
cloudy in the evening then clearing.  

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243171

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-160800-
south haven to holland mi-
206 pm edt sat aug 15 2026

.through early evening...southeast winds 10 to 15 knots. cloudy with
a chance of rain showers and a slight chance of thunderstorms. waves
1 foot or less. 
.tonight...southeast winds 5 to 10 knots veering south after
midnight. partly cloudy. a chance of rain showers in the evening.
patchy fog after midnight. waves less than 1 foot. 
.sunday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms. patchy fog. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots veering north after
midnight. partly cloudy. waves 1 to 2 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.monday night...northwest winds 5 to 15 knots backing southwest in
the late evening and overnight. mostly clear. waves around 1 foot. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.wednesday...southwest winds 15 to 25 knots veering northwest early
in the afternoon. mostly cloudy with rain showers likely and a
chance of thunderstorms. waves 3 to 5 feet. 
.thursday...north winds 10 to 15 knots backing northwest early in
the afternoon. mostly sunny. waves 2 to 4 feet. 

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243172

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-160800-
st joseph to south haven mi-
206 pm edt sat aug 15 2026

.through early evening...southeast winds 10 to 15 knots. rain
showers likely and a slight chance of thunderstorms. waves 1 foot or
less. 
.tonight...southeast winds 5 to 10 knots veering southwest after
midnight. partly cloudy in the evening then becoming mostly cloudy.
a chance of rain showers and a slight chance of thunderstorms.
patchy fog after midnight. waves less than 1 foot. 
.sunday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms. patchy fog. waves around 1 foot. 
.sunday night...northwest winds 10 to 15 knots veering north after
midnight. partly cloudy. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 3 feet. 
.monday night...northwest winds 5 to 10 knots backing southwest in
the late evening and overnight. mostly clear. waves around 1 foot. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.wednesday...southwest winds 15 to 20 knots veering northwest 20 to
25 knots early in the afternoon. mostly cloudy with rain showers
likely and a chance of thunderstorms. waves 2 to 4 feet building to
3 to 5 feet in the late morning and afternoon. 
.thursday...north winds 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243170

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-160800-
holland to grand haven mi-
206 pm edt sat aug 15 2026

.through early evening...southeast winds 10 to 15 knots. cloudy with
a chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.tonight...southeast winds around 10 knots veering south after
midnight. partly cloudy. a slight chance of rain showers in the
evening. patchy fog after midnight. waves 1 foot or less. 
.sunday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers. patchy fog.
waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots veering north after
midnight. partly cloudy. waves 1 to 2 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.monday night...west winds 10 to 15 knots backing southwest in the
late evening and overnight. mostly clear. waves around 1 foot. 
.tuesday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.wednesday...southwest winds 20 to 25 knots veering northwest early
in the afternoon. mostly cloudy with rain showers likely and a
chance of thunderstorms. waves 4 to 6 feet. 
.thursday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243169

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-160800-
grand haven to whitehall mi-
206 pm edt sat aug 15 2026

.through early evening...southeast winds around 15 knots. mostly
cloudy with a slight chance of rain showers. waves around 1 foot. 
.tonight...southeast winds 5 to 15 knots. partly cloudy with a
slight chance of rain showers. patchy fog after midnight. waves
around 1 foot. 
.sunday...southwest winds 10 to 15 knots veering west in the late
morning and afternoon. mostly cloudy with a chance of rain showers.
patchy fog. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.monday night...west winds 10 to 15 knots backing southwest in the
late evening and overnight. mostly clear. waves 1 to 2 feet. 
.tuesday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.wednesday...southwest winds 20 to 25 knots veering northwest to
30 knots in the late morning and afternoon. mostly cloudy with a
chance of showers and thunderstorms. waves 4 to 6 feet. 
.thursday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243168

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-160800-
whitehall to pentwater mi-
206 pm edt sat aug 15 2026

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

$$

fzus53 kgrr 151806
nshgrr
expires:202608160800;;243167

nearshore marine forecast
national weather service grand rapids mi
206 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-160800-
pentwater to manistee mi-
206 pm edt sat aug 15 2026

.through early evening...southeast winds 10 to 15 knots. mostly
sunny. waves 1 foot or less. 
.tonight...southeast winds 5 to 10 knots veering south after
midnight. partly cloudy in the evening then becoming mostly cloudy.
patchy fog after midnight. waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots veering northwest 10 to
15 knots early in the afternoon. partly sunny with a chance of rain
showers. waves around 1 foot. 
.sunday night...north winds 10 to 20 knots. partly cloudy. waves
1 to 3 feet. 
.monday...northwest winds 10 to 15 knots backing west early in the
afternoon. sunny. waves 1 to 3 feet. 
.monday night...southwest winds 5 to 15 knots. mostly clear. waves
1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots. partly sunny. waves 2 to
4 feet. 
.wednesday...southeast winds 10 to 20 knots backing north in the
late morning and early afternoon, then increasing to 30 knots early
in the afternoon. partly sunny with a chance of showers and
thunderstorms. waves 3 to 5 feet. 
.thursday...north winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kiwx 151843
nshiwx
expires:202608160215;;247060

nearshore marine forecast
national weather service northern indiana
243 pm edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-160215-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
243 pm edt sat aug 15 2026

.tonight...south winds less than 10 knots. a chance of showers
and thunderstorms. waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms in the morning. waves
1 foot or less. 
.sunday night...west winds 10 knots or less becoming north.
mostly cloudy in the evening, then becoming partly cloudy. waves
2 feet or less. 
.monday...north winds 5 to 10 knots. sunny. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph and michigan city is 59 
degrees.

$$

fzus53 klot 151346
nshlot
expires:202608152130;;233682

nearshore marine forecast
national weather service chicago/romeoville il
846 am cdt sat aug 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>745-152130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
846 am cdt sat aug 15 2026

.rest of today...southeast winds 10 to 15 kt becoming south. 
period of showers and slight chance of thunderstorms this morning,
then chance of showers and slight chance of thunderstorms in the 
afternoon. waves 1 to 3 ft. 
.tonight...south winds around 10 kt becoming southwest overnight.
chance of showers and slight chance of thunderstorms in the
evening, then chance of showers and thunderstorms overnight.
waves around 1 ft. 
.sunday...west winds 10 to 15 kt becoming northwest in the
afternoon. chance of showers and thunderstorms in the morning,
then slight chance of showers and thunderstorms in the afternoon.
waves 1 to 2 ft. 
.sunday night...northwest winds 10 to 15 kt becoming north.
mostly cloudy in the evening, then becoming partly cloudy. waves
1 to 2 ft building to 2 to 4 ft.  

$$

fzus53 klot 151346
nshlot
expires:202608152130;;233681

nearshore marine forecast
national weather service chicago/romeoville il
846 am cdt sat aug 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>742-152130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
846 am cdt sat aug 15 2026

.rest of today...southeast winds 10 to 15 kt becoming south.
period of showers and slight chance of thunderstorms this morning,
then chance of showers in the afternoon. waves 2 to 4 ft. 
.tonight...south winds around 10 kt becoming southwest overnight.
chance of showers and slight chance of thunderstorms in the
evening, then chance of showers and thunderstorms overnight.
waves 1 to 3 ft. 
.sunday...west winds 10 to 15 kt becoming northwest in the
afternoon. chance of showers and thunderstorms in the morning.
waves 1 to 2 ft. 
.sunday night...northwest winds 10 to 15 kt becoming north.
partly cloudy. waves 1 to 2 ft building to 2 to 4 ft.  

$$

fzus53 kmkx 151810
nshmkx
expires:202608152200;;243580

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-152200-
sheboygan to port washington wi-
110 pm cdt sat aug 15 2026

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

.rest of today...southeast wind 10 to 15 knots. isolated showers
early in the afternoon, then isolated sprinkles late in the
afternoon. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering south early in
the morning. isolated sprinkles through around midnight. slight
chance of showers and thunderstorms after midnight. waves 2 to
4 feet subsiding to 1 to 2 feet in the late evening and
overnight. 
.sunday...southwest wind 5 to 10 knots veering west late in the
morning, then becoming northwest 10 to 15 knots early in the
afternoon becoming northwest 10 to 15 knots with gusts to around
20 knots late in the afternoon. slight chance of showers in the
morning. slight chance of thunderstorms through the day. chance
of showers in the afternoon. waves around 1 foot. 
.sunday night...north wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 151810
nshmkx
expires:202608152200;;243582

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz645-152200-
north point light to wind point wi-
110 pm cdt sat aug 15 2026

.rest of today...southeast wind 10 to 15 knots. isolated showers
early in the afternoon, then isolated sprinkles late in the
afternoon. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering southwest early
in the morning. chance of showers and thunderstorms after
midnight. waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight. 
.sunday...west wind 5 to 10 knots becoming northwest 10 to
15 knots in the afternoon. chance of showers and thunderstorms in
the morning. slight chance of showers and thunderstorms in the
afternoon. waves around 1 foot. 
.sunday night...northwest wind 10 to 15 knots veering north after
midnight. partly cloudy. waves 1 to 2 feet building to 2 to
4 feet after midnight. 

$$

fzus53 kmkx 151810
nshmkx
expires:202608152200;;243581

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz644-152200-
port washington to north point light wi-
110 pm cdt sat aug 15 2026

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

.rest of today...southeast wind 10 to 15 knots. isolated showers
early in the afternoon, then isolated sprinkles late in the
afternoon. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering south early in
the morning. chance of showers and thunderstorms after midnight.
waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening
and overnight. 
.sunday...west wind 5 to 10 knots becoming northwest 10 to
15 knots in the afternoon. chance of showers and thunderstorms in
the morning. slight chance of showers and thunderstorms in the
afternoon. waves around 1 foot. 
.sunday night...northwest wind 10 to 15 knots veering north late
in the evening, then becoming north 10 to 15 knots after
midnight. partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 151810
nshmkx
expires:202608152200;;243583

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz646-152200-
wind point wi to winthrop harbor il-
110 pm cdt sat aug 15 2026

.rest of today...southeast wind 10 to 15 knots. isolated showers
and thunderstorms early in the afternoon, then isolated sprinkles
late in the afternoon. waves 2 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering southwest early
in the morning. isolated showers and thunderstorms through around
midnight, then chance of showers and thunderstorms after
midnight. waves 2 to 4 feet subsiding to around 1 foot in the
late evening and overnight. 
.sunday...west wind 5 to 10 knots becoming northwest 10 to
15 knots in the afternoon. chance of showers and thunderstorms in
the morning. slight chance of showers and thunderstorms in the
afternoon. waves around 1 foot. 
.sunday night...northwest wind 10 to 15 knots veering north early
in the morning. partly cloudy. waves around 1 foot building to
2 to 4 feet after midnight. 

$$