fzus53 kapx 150740
nshapx
expires:202608151545;;220454

nearshore marine forecast
national weather service gaylord mi
340 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.


lmz346-151545-
manistee to point betsie mi-
340 am edt sat aug 15 2026

.today...east wind 5 to 10 knots becoming northeast early in the
evening. sunny early in the morning then becoming 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 150759
nshgrb
expires:202608151000;;220849

nearshore marine forecast
national weather service green bay wi
259 am cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz543-151000-
two rivers to sheboygan wi-
259 am cdt sat aug 15 2026

...small craft advisory in effect from 8 am cdt this morning
through this evening...

.rest of the night...e wind 10 to 20 kts. waves 2 to 4 ft. a
slight chance of showers. 
.saturday...se wind 10 to 15 kts. waves 3 to 5 ft. mostly cloudy.
.saturday night...se wind 5 to 10 kts veering sw after midnight.
waves 1 to 3 ft. mostly cloudy. 
.sunday...w wind 5 to 10 kts veering nw 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. partly sunny.  

$$

fzus53 kgrb 150759
nshgrb
expires:202608151000;;220850

nearshore marine forecast
national weather service green bay wi
259 am cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz541-542-151000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-
259 am cdt sat aug 15 2026

.rest of the night...e wind 10 to 15 kts. waves 1 to 3 ft. mostly
clear. 
.saturday...e wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy. 
.saturday night...e wind 5 to 10 kts veering s in the late
evening and overnight. waves 2 ft or less. mostly cloudy. 
.sunday...w wind 5 to 10 kts veering n 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. partly sunny.  

$$

fzus53 kgrb 150736
nshgrb
expires:202608151000;;220228

nearshore marine forecast
national weather service green bay wi
236 am cdt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-151000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
236 am cdt sat aug 15 2026

...small craft advisory in effect from 8 am cdt this morning
through this evening...

.rest of the night...e wind 10 to 15 kts. waves 2 to 4 ft. a
slight chance of showers. 
.saturday...se wind 10 to 15 kts. waves 2 to 4 ft. partly sunny. 
.saturday night...se wind 5 to 10 kts veering sw after midnight.
waves 1 to 3 ft. mostly cloudy. 
.sunday...w wind 5 to 10 kts veering n 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224519

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-152000-
holland to grand haven mi-
511 am edt sat aug 15 2026

.today...southeast winds 10 to 15 knots. mostly cloudy. a chance of
rain showers in the morning, then a chance of rain showers and a
slight chance of thunderstorms in the afternoon. waves around
1 foot. 
.tonight...southeast winds around 10 knots veering south after
midnight. mostly cloudy with a slight chance of rain showers. patchy
fog. 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. 
.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. 

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224521

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-152000-
st joseph to south haven mi-
511 am edt sat aug 15 2026

.today...southeast winds 10 to 15 knots. a chance of showers and
thunderstorms in the morning, then rain showers likely and a chance
of thunderstorms in the afternoon. waves around 1 foot. 
.tonight...southeast winds 5 to 10 knots veering southwest after
midnight. partly cloudy with a chance of rain showers and a slight
chance of thunderstorms. patchy fog. 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 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. 
.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. 

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224520

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-152000-
south haven to holland mi-
511 am edt sat aug 15 2026

.today...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 5 to 10 knots veering south after
midnight. partly cloudy with a chance of rain showers. patchy fog.
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. 
.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. 

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224516

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-152000-
pentwater to manistee mi-
511 am edt sat aug 15 2026

.today...southeast winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.tonight...southeast winds 5 to 10 knots veering south after
midnight. partly cloudy. patchy fog. 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. 
.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. 

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224517

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-152000-
whitehall to pentwater mi-
511 am edt sat aug 15 2026

.today...southeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 
.tonight...southeast winds 5 to 10 knots. mostly cloudy with a
slight chance of rain showers. patchy fog. 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. 
.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. 

$$

fzus53 kgrr 150911
nshgrr
expires:202608152000;;224518

nearshore marine forecast
national weather service grand rapids mi
511 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-152000-
grand haven to whitehall mi-
511 am edt sat aug 15 2026

.today...southeast winds 15 to 20 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. 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. 
.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. 

$$

fzus53 kiwx 150735
nshiwx
expires:202608151415;;220225

nearshore marine forecast
national weather service northern indiana
335 am edt sat aug 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-151415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
335 am edt sat aug 15 2026

.today...southeast winds 5 to 10 knots. showers with a chance of
thunderstorms. waves 2 feet or less. 
.tonight...south winds 10 knots or less becoming southwest. a
chance of showers with a slight chance of thunderstorms. waves
1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming northwest.
showers likely with a slight chance of thunderstorms in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.sunday night...northwest winds 5 to 10 knots becoming north. a
slight chance of showers and thunderstorms in the evening. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 63 degrees.

$$

fzus53 klot 150743
nshlot
expires:202608151515;;220503

nearshore marine forecast
national weather service chicago/romeoville il
243 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>745-151515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
243 am cdt sat aug 15 2026

.today...east winds 10 to 15 kt becoming southeast this morning,
and then south late. showers and a chance of thunderstorms. waves
1 to 3 ft. 
.tonight...south winds around 10 kt becoming southwest overnight.
slight chance of showers in the evening, then chance of showers
and thunderstorms overnight. waves 1 to 2 ft. 
.sunday...west winds 10 to 15 kt becoming northwest in the
afternoon. chance of showers and thunderstorms mainly in the
morning. 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 150743
nshlot
expires:202608151515;;220502

nearshore marine forecast
national weather service chicago/romeoville il
243 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>742-151515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
243 am cdt sat aug 15 2026

.today...east winds 10 to 15 kt becoming southeast this morning,
and then south in the afternoon. showers and a chance of 
thunderstorms in the morning, then chance of showers in the
afternoon. waves 2 to 4 ft.
.tonight...south winds around 10 kt becoming southwest overnight.
slight chance of showers 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 150810
nshmkx
expires:202608152100;;222186

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

for waters within five nautical miles of shore on lake michigan


lmz646-152100-
wind point wi to winthrop harbor il-
310 am cdt sat aug 15 2026

.early this morning...east wind 10 to 15 knots veering southeast
early in the morning. cloudy with a 20 percent chance of showers
and thunderstorms. waves 2 to 4 feet. 
.today...southeast wind 10 to 15 knots with gusts to around
20 knots becoming 10 to 20 knots early in the afternoon, then
becoming 10 to 15 knots late in the afternoon. chance of showers
and slight chance of thunderstorms until late afternoon. waves
2 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering west early in the
morning. 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...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. partly cloudy. waves around 1 foot building to 2 to
4 feet after midnight. 

$$

fzus53 kmkx 150810
nshmkx
expires:202608152100;;222185

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

for waters within five nautical miles of shore on lake michigan


lmz645-152100-
north point light to wind point wi-
310 am cdt sat aug 15 2026

.early this morning...east wind 10 to 15 knots. mostly cloudy
with a 20 percent chance of showers. waves 2 to 4 feet. 
.today...southeast wind 10 to 15 knots rising to 15 to 20 knots
in the late morning and early afternoon, then easing to 10 to
15 knots late in the afternoon. chance of showers in the morning.
slight chance of thunderstorms until late afternoon. slight
chance of showers in the afternoon. waves 3 to 4 feet. 
.tonight...southeast wind 5 to 10 knots veering west 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...north wind 10 to 15 knots. partly cloudy. waves
1 to 2 feet building to 2 to 4 feet after midnight. 

$$

fzus53 kmkx 150810
nshmkx
expires:202608152100;;222184

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

for waters within five nautical miles of shore on lake michigan


lmz644-152100-
port washington to north point light wi-
310 am cdt sat aug 15 2026

...small craft advisory in effect from 8 am cdt this morning
through this evening...

.early this morning...east wind 10 to 15 knots. mostly cloudy
with a 20 percent chance of showers. waves 2 to 4 feet. 
.today...southeast wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. chance of showers in the morning. slight
chance of thunderstorms until late afternoon. slight chance of
showers early in the afternoon. waves 3 to 4 feet building to
4 to 6 feet in the late morning and early afternoon, then
subsiding to 3 to 4 feet late in the afternoon. 
.tonight...east wind 5 to 10 knots veering southeast late in the
evening, then veering southwest after midnight veering west 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 veering northwest late in the
morning, then rising to 10 to 15 knots early in the afternoon
becoming northwest 10 to 15 knots late 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...north wind 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 

$$

fzus53 kmkx 150810
nshmkx
expires:202608152100;;222183

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

for waters within five nautical miles of shore on lake michigan


lmz643-152100-
sheboygan to port washington wi-
310 am cdt sat aug 15 2026

...small craft advisory in effect from 8 am cdt this morning
through this evening...

.early this morning...east wind 15 to 20 knots easing to 10 to
15 knots early in the morning. mostly cloudy with a 20 percent
chance of showers. waves 3 to 4 feet. 
.today...southeast wind 15 to 20 knots becoming 10 to 20 knots
late in the morning, then becoming 15 to 20 knots early in the
afternoon easing to 10 to 15 knots late in the afternoon. slight
chance of showers until late afternoon. waves 3 to 4 feet
building to 4 to 6 feet in the late morning and early afternoon,
then subsiding to 3 to 4 feet late in the afternoon. 
.tonight...southeast wind 5 to 10 knots veering southwest early
in the morning. 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...west wind 5 to 10 knots becoming northwest 10 to
15 knots in the late morning and early afternoon, then veering
north late in the afternoon. slight chance of showers and
thunderstorms. waves around 1 foot. 
.sunday night...north wind 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 

$$