fzus53 kapx 151856
nshapx
expires:202608160300;;247450

nearshore marine forecast
national weather service gaylord mi
256 pm 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.


lmz346-160300-
manistee to point betsie mi-
256 pm edt sat aug 15 2026

.through early evening...northeast wind 5 to 10 knots. mostly
sunny. waves 2 feet or less. 
.tonight...light winds. isolated showers and thunderstorms. waves
2 feet or less. 
.sunday...west wind 5 to 10 knots. scattered showers. waves
2 feet or less. 
.sunday night...north wind 10 to 15 knots. partly cloudy. waves
2 to 3 feet. 
.monday...northwest 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 151952
nshgrb
expires:202608152200;;249436

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

for waters within five nautical miles of shore on lake michigan


lmz543-152200-
two rivers to sheboygan wi-
252 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 2 to 4 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 kgrb 151952
nshgrb
expires:202608152200;;249437

nearshore marine forecast
national weather service green bay wi
252 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-
252 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 kgrr 151946
nshgrr
expires:202608160800;;249297

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

for waters within five nautical miles of shore on lake michigan


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

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

$$

fzus53 kgrr 151946
nshgrr
expires:202608160800;;249296

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

for waters within five nautical miles of shore on lake michigan


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

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

$$

fzus53 kgrr 151946
nshgrr
expires:202608160800;;249295

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

for waters within five nautical miles of shore on lake michigan


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

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

$$

fzus53 kgrr 151946
nshgrr
expires:202608160800;;249294

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

for waters within five nautical miles of shore on lake michigan


lmz848-160800-
whitehall to pentwater mi-
346 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. a slight
chance of rain showers after midnight. patchy fog after midnight.
waves 1 foot or less. 
.sunday...south winds 5 to 10 knots veering west 10 to 15 knots in
the late morning and afternoon. mostly cloudy with a chance of rain
showers and a slight chance of thunderstorms. patchy fog. waves
1 foot or less. 
.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 5 to 15 knots increasing to 15 to
20 knots after midnight. mostly clear. waves 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.wednesday...north winds 10 to 20 knots increasing to 20 to 25 knots
early in the afternoon. partly sunny with a chance of rain showers.
waves 2 to 4 feet. 
.thursday...east winds around 10 knots veering south in the late
morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 151946
nshgrr
expires:202608160800;;249293

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

for waters within five nautical miles of shore on lake michigan


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

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

$$

fzus53 kgrr 151946
nshgrr
expires:202608160800;;249298

nearshore marine forecast
national weather service grand rapids mi
346 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-
346 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. 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...southwest winds 10 to 15 knots veering west early in the
afternoon. mostly cloudy with a chance of showers and thunderstorms.
patchy fog. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots veering north in the
late evening and overnight. 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 1 to
2 feet. 
.wednesday...north winds 10 to 20 knots. partly sunny with rain
showers likely. waves 1 to 3 feet. 
.thursday...east winds around 10 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 2 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 151959
nshlot
expires:202608160315;;249560

nearshore marine forecast
national weather service chicago/romeoville il
259 pm 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>742-160315-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
259 pm cdt sat aug 15 2026

.tonight...south winds around 10 kt becoming southwest late.
slight chance of showers and thunderstorms in the evening, then
showers likely and a chance of thunderstorms after midnight.
waves 1 to 3 ft subsiding to 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.
slight chance of showers in the evening. waves 1 to 3 ft. 
.monday...north winds 10 to 15 kt becoming northeast in the
afternoon. partly cloudy in the morning, then becoming mostly
sunny. waves 2 to 4 ft subsiding to 1 to 3 ft.  

$$

fzus53 klot 151959
nshlot
expires:202608160315;;249561

nearshore marine forecast
national weather service chicago/romeoville il
259 pm 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>745-160315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
259 pm cdt sat aug 15 2026

.tonight...south winds around 10 kt becoming southwest late.
chance of showers and slight chance of thunderstorms in the
evening, then showers likely and a chance of thunderstorms after
midnight. 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.
slight chance of showers and thunderstorms in the evening. waves
1 to 2 ft building to 2 to 4 ft. 
.monday...north winds 10 to 15 kt. partly cloudy in the morning,
then becoming mostly sunny. waves 2 to 4 ft.  

$$

fzus53 kmkx 152010
nshmkx
expires:202608160900;;250708

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

for waters within five nautical miles of shore on lake michigan


lmz643-160900-
sheboygan to port washington wi-
310 pm cdt sat aug 15 2026

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

.through early evening...southeast wind 10 to 15 knots. partly
sunny with isolated showers. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering south early in
the morning. isolated sprinkles in the evening. 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. 
.monday...northwest wind 5 to 10 knots backing southwest early in
the afternoon, then becoming southwest 5 to 10 knots late in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 152010
nshmkx
expires:202608160900;;250709

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

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

.through early evening...southeast wind 10 to 15 knots. partly
sunny with isolated showers. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering south early in
the morning. isolated showers through around midnight. 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. 
.monday...northwest wind 5 to 10 knots easing to 5 knots early in
the afternoon, then becoming southwest late in the afternoon.
sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 152010
nshmkx
expires:202608160900;;250710

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

.through early evening...southeast wind 10 to 15 knots. partly
sunny with isolated showers. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering southwest early
in the morning. isolated showers through around midnight. 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. 
.monday...north wind 10 to 15 knots easing to 5 to 10 knots late
in the morning, then becoming north 5 to 10 knots early in the
afternoon backing southwest late in the afternoon. sunny. waves
1 to 2 feet. 

$$

fzus53 kmkx 152010
nshmkx
expires:202608160900;;250711

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

.through early evening...southeast wind 10 to 15 knots. partly
sunny with isolated showers. waves 2 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering southwest early
in the morning. isolated showers and thunderstorms in the
evening. chance of showers and thunderstorms after midnight.
waves around 1 foot. 
.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 1 to 2 feet. 
.monday...north wind 5 to 10 knots backing south late in the
afternoon. sunny. waves 1 to 2 feet. 

$$