fzus53 kapx 210714
nshapx
expires:202608211515;;095256

nearshore marine forecast
national weather service gaylord mi
314 am edt fri aug 21 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.


lmz346-211515-
manistee to point betsie mi-
314 am edt fri aug 21 2026

...small craft advisory in effect from 10 am edt this morning
through this evening...

.today...south wind 15 to 25 knots. slight chance of showers
early in the morning, then chance of showers in the morning.
chance of thunderstorms in the afternoon. waves 2 feet or less
building to 2 to 4 feet in the afternoon. 
.tonight...southwest wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 4 feet. 
.saturday...north wind 10 to 15 knots. chance of showers. waves
2 feet or less. 
.saturday night...north wind 10 to 20 knots. chance of showers.
waves 3 to 5 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 211033
nshgrb
expires:202608211600;;103023

nearshore marine forecast
national weather service green bay wi
533 am cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-211600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
533 am cdt fri aug 21 2026

.early this morning...sw wind 10 to 15 kts. waves 1 to 3 ft. a
chance of showers. 
.today...s wind 10 to 20 kts. waves 2 to 4 ft. a chance of
showers and thunderstorms. 
.tonight...sw wind 10 to 15 kts veering nw in the late evening
and overnight. waves 2 to 4 ft subsiding to 1 to 3 ft after
midnight. a chance of showers and thunderstorms in the evening. 
.saturday...n wind 10 to 15 kts. waves 2 ft or less. a chance of
showers in the afternoon. 
.saturday night...n wind 10 to 15 kts. waves 1 to 3 ft. a chance
of showers in the evening.  

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102491

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-212000-
st joseph to south haven mi-
613 am edt fri aug 21 2026

.today...south winds 10 to 15 knots veering southwest in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 
.tonight...southwest winds 5 to 15 knots. rain showers likely and a
chance of thunderstorms. waves around 1 foot. 
.saturday...northwest winds 15 to 25 knots. partly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. 
.saturday night...north winds 15 to 20 knots. mostly clear. waves
3 to 5 feet. 
.sunday...north winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.monday...northwest winds 5 to 10 knots. mostly sunny. waves 1 to
2 feet. 
.tuesday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102486

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-212000-
pentwater to manistee mi-
613 am edt fri aug 21 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...

.today...south winds 10 to 20 knots. partly sunny with a slight
chance of rain showers in the morning, then cloudy with a chance of
showers and thunderstorms in the afternoon. waves 2 to 4 feet. 
.tonight...south winds 10 to 20 knots veering northwest 5 to
15 knots after midnight. rain showers likely and a chance of
thunderstorms. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.saturday...north winds 10 to 20 knots. mostly sunny with a slight
chance of rain showers. waves 2 to 4 feet. 
.saturday night...north winds 15 to 25 knots. mostly clear. waves
2 to 4 feet building to 3 to 5 feet in the late evening and
overnight. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 
.monday...north winds 5 to 15 knots. sunny. waves 1 to 2 feet. 
.tuesday...southwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102487

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-212000-
whitehall to pentwater mi-
613 am edt fri aug 21 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...

.today...south winds 10 to 20 knots. partly sunny in the morning,
then cloudy with a slight chance of showers and thunderstorms in the
afternoon. waves 2 to 4 feet. 
.tonight...south winds 10 to 20 knots veering west after midnight.
rain showers likely and a chance of thunderstorms. waves 2 to
4 feet. 
.saturday...north winds 10 to 20 knots increasing to 20 to 25 knots
in the late morning and afternoon. mostly sunny with a slight chance
of rain showers. waves 2 to 4 feet building to 3 to 5 feet in the
late morning and afternoon. 
.saturday night...north winds 20 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...north winds to 30 knots. sunny. waves 4 to 6 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday...south winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102488

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-212000-
grand haven to whitehall mi-
613 am edt fri aug 21 2026

.today...south winds 10 to 20 knots veering southwest early in the
afternoon. mostly sunny in the morning then becoming mostly cloudy.
waves 1 to 3 feet. 
.tonight...south winds around 15 knots veering west after midnight.
rain showers likely and a chance of thunderstorms. waves 1 to
3 feet. 
.saturday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny with a chance of rain showers
and a slight chance of thunderstorms. waves 2 to 4 feet building to
3 to 5 feet in the late morning and afternoon. 
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet subsiding to 2 to 4 feet in the late evening and
overnight. 
.sunday...northwest winds to 30 knots. sunny. waves 5 to 7 feet. 
.monday...north winds 5 to 10 knots backing northwest 10 to 15 knots
in the late morning and afternoon. mostly sunny. waves 1 foot or
less. 
.tuesday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102489

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-212000-
holland to grand haven mi-
613 am edt fri aug 21 2026

.today...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny in the morning then becoming mostly cloudy.
waves 1 to 2 feet. 
.tonight...southwest winds 10 to 15 knots. rain showers likely and a
chance of thunderstorms. waves 1 to 2 feet. 
.saturday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny with a chance of rain showers
and a slight chance of thunderstorms. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet subsiding to 2 to 4 feet after midnight. 
.sunday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. sunny. waves 4 to 6 feet building to 5 to
7 feet early in the afternoon. 
.monday...north winds 5 to 10 knots backing northwest 10 to 15 knots
in the late morning and afternoon. mostly sunny. waves around
1 foot. 
.tuesday...south winds 5 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 211013
nshgrr
expires:202608212000;;102490

nearshore marine forecast
national weather service grand rapids mi
613 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-212000-
south haven to holland mi-
613 am edt fri aug 21 2026

.today...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny in the morning then becoming mostly cloudy.
waves around 1 foot. 
.tonight...southwest winds 10 to 15 knots. rain showers likely and a
chance of thunderstorms. waves around 1 foot. 
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. 
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 5 to 7 feet. 
.monday...north winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.tuesday...south winds 5 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kiwx 210742
nshiwx
expires:202608211415;;096022

nearshore marine forecast
national weather service northern indiana
342 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-211415-
michigan city in to new buffalo mi-
342 am edt fri aug 21 2026

.today...south winds less than 10 knots becoming southwest.
partly sunny. waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming northwest 10 to
15 knots. gusts up to 25 knots. a chance of showers and
thunderstorms in the morning, then a slight chance of showers and
thunderstorms in the afternoon. waves 1 to 3 feet building to
2 to 4 feet. 
.saturday night...north winds 10 to 15 knots. a slight chance of
showers in the evening. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 63 degrees and at michigan
city is 64 degrees.

$$

fzus53 kiwx 210742
nshiwx
expires:202608211415;;096023

nearshore marine forecast
national weather service northern indiana
342 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-211415-
new buffalo mi to st joseph mi-
342 am edt fri aug 21 2026

.today...southeast winds 10 knots or less becoming southwest.
partly sunny. waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. gusts up to 25 knots. a chance of
showers and thunderstorms in the morning, then a slight chance of
showers and thunderstorms in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday night...north winds 10 to 15 knots. a slight chance of
showers in the evening. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 63 degrees and at michigan
city is 64 degrees.

$$

fzus53 klot 210827
nshlot
expires:202608211515;;098134

nearshore marine forecast
national weather service chicago/romeoville il
327 am cdt fri aug 21 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.


lmz744-745-211515-
gary to burns harbor in-burns harbor to michigan city in-
327 am cdt fri aug 21 2026

.today...south winds 10 to 15 kt. slight chance of showers and 
thunderstorms in the afternoon. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.saturday...northwest winds 15 to 20 kt becoming north. slight 
chance of showers and thunderstorms in the afternoon. waves 2 to 4
ft building to 3 to 6 ft occasionally to 8 ft. a small craft 
advisory will likely be needed.
.saturday night...north winds 15 to 20 kt. slight chance of 
showers and thunderstorms in the evening. waves 3 to 6 ft
occasionally to 8 ft. a small craft advisory will likely be
needed. 


$$

fzus53 klot 210827
nshlot
expires:202608211515;;098133

nearshore marine forecast
national weather service chicago/romeoville il
327 am cdt fri aug 21 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.


lmz741>743-211515-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
327 am cdt fri aug 21 2026

.today...southwest winds 5 to 10 kt becoming south 10 to 15 kt in
the afternoon. chance of showers and thunderstorms in the 
afternoon. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt becoming west overnight.
chance of showers and thunderstorms, mainly in the evening. waves
1 to 3 ft.
.saturday...northwest winds 15 to 20 kt becoming north in the 
afternoon. slight chance of showers and thunderstorms in the 
afternoon. waves 1 to 3 ft building to 2 to 4 ft. 
.saturday night...north winds 10 to 20 kt. slight chance of
showers and thunderstorms in the evening. waves 2 to 4 ft building
to 3 to 5 ft.


$$

fzus53 klot 210827
nshlot
expires:202608211515;;098132

nearshore marine forecast
national weather service chicago/romeoville il
327 am cdt fri aug 21 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.


lmz740-211515-
winthrop harbor to wilmette harbor il-
327 am cdt fri aug 21 2026

.today...southwest winds 5 to 10 kt becoming south 10 to 15 kt in
the afternoon. chance of showers and thunderstorms in the 
afternoon. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt becoming west overnight.
chance of showers and thunderstorms, mainly in the evening. waves
1 to 2 ft.
.saturday...northwest winds 15 to 20 kt becoming north. slight
chance of showers and thunderstorms in the afternoon. waves 1 to
3 ft. 
.saturday night...north winds 10 to 15 kt. slight chance of
showers and thunderstorms in the evening. waves 1 to 3 ft
building to 2 to 4 ft.  

$$

fzus53 kmkx 211010
nshmkx
expires:202608211600;;102330

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-211600-
north point light to wind point wi-
510 am cdt fri aug 21 2026

.today...southwest wind 5 to 10 knots becoming south 10 to
15 knots in the afternoon. slight chance of showers late in the
morning. chance of showers and thunderstorms in the afternoon.
waves around 1 foot. 
.tonight...south wind 10 to 15 knots becoming southwest 5 to
10 knots late in the evening, then becoming west 10 to 15 knots
after midnight veering northwest early in the morning. chance of
showers and thunderstorms through around midnight. waves around
1 foot. 
.saturday...northwest wind 10 to 15 knots veering north early in
the afternoon, then easing to 5 to 10 knots late in the
afternoon. slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.saturday night...north wind 10 to 15 knots. slight chance of
showers and thunderstorms through around midnight. waves 1 to
2 feet building to 2 to 4 feet after midnight. 

$$

fzus53 kmkx 211010
nshmkx
expires:202608211600;;102331

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-211600-
wind point wi to winthrop harbor il-
510 am cdt fri aug 21 2026

.today...southwest wind 5 to 10 knots becoming south 10 to
15 knots in the afternoon. slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. waves around 1 foot. 
.tonight...south wind 10 to 15 knots becoming southwest 5 to
10 knots late in the evening, then becoming west 10 to 15 knots
after midnight veering northwest early in the morning. chance of
showers and thunderstorms through around midnight. waves around
1 foot. 
.saturday...northwest wind 10 to 15 knots veering north early in
the afternoon, then easing to 5 to 10 knots late in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.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. slight chance of showers and thunderstorms
through around midnight. waves 1 to 2 feet building to 2 to
4 feet after midnight. 

$$

fzus53 kmkx 211010
nshmkx
expires:202608211600;;102329

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-211600-
port washington to north point light wi-
510 am cdt fri aug 21 2026

.today...southwest wind 5 to 10 knots becoming south 10 to
15 knots in the afternoon. slight chance of showers in the
morning, then chance of showers in the late morning and
afternoon. chance of thunderstorms in the afternoon. patchy fog
early in the afternoon. waves around 1 foot. 
.tonight...south wind 10 to 15 knots becoming southwest 5 to
10 knots late in the evening, then becoming west 10 to 15 knots
after midnight veering northwest early in the morning. chance of
showers and thunderstorms through around midnight. waves 1 to
2 feet. 
.saturday...northwest wind 10 to 15 knots veering north early in
the afternoon, then easing to 5 to 10 knots late in the
afternoon. slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.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. slight chance of showers and thunderstorms
through around midnight. waves 1 to 2 feet building to 2 to
4 feet after midnight. 

$$

fzus53 kmkx 211010
nshmkx
expires:202608211600;;102328

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-211600-
sheboygan to port washington wi-
510 am cdt fri aug 21 2026

.today...southwest wind 10 to 15 knots becoming south 15 to
20 knots in the afternoon. slight chance of thunderstorms in the
morning. chance of showers through the day. chance of
thunderstorms in the afternoon. waves 1 to 2 feet building to
2 to 4 feet late in the afternoon. 
.tonight...south wind 10 to 15 knots with gusts to around
20 knots veering northwest early in the morning. chance of
showers and thunderstorms through around midnight. waves 2 to
4 feet subsiding to 1 to 2 feet in the late evening and
overnight. 
.saturday...northwest wind 10 to 15 knots becoming north 5 to
10 knots in the afternoon. slight chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.saturday night...north wind 10 to 15 knots backing northwest
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight. waves 1 to 2 feet. 

$$