fzus53 kapx 211805
nshapx
expires:202608220215;;118744

nearshore marine forecast
national weather service gaylord mi
205 pm 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.


lmz346-220215-
manistee to point betsie mi-
205 pm edt fri aug 21 2026

...small craft advisory in effect until 8 pm edt this evening...

.through early evening...south wind 10 to 15 knots with gusts to
25 knots. scattered
showers. waves 2 to 3 feet. 
.tonight...west wind 10 to 15 knots. scattered showers. waves
2 to 3 feet. 
.saturday...north wind 10 to 15 knots. scattered showers and
thunderstorms. waves 2 feet or less. 
.saturday night...north wind 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...north wind 10 to 20 knots. mostly sunny. 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 211856
nshgrb
expires:202608212200;;123070

nearshore marine forecast
national weather service green bay wi
156 pm cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-212200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 pm cdt fri aug 21 2026

.this afternoon...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 1 to 3 ft. a chance of
showers and thunderstorms in the afternoon. 
.saturday night...n wind 10 to 20 kts. waves 1 to 3 ft. mostly
clear.  

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118766

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-220800-
holland to grand haven mi-
206 pm edt fri aug 21 2026

.through early evening...southwest winds around 15 knots. 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 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 after midnight. 
.sunday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. sunny. waves 5 to 7 feet. 
.sunday night...northwest winds to 30 knots becoming north 5 to
15 knots in the late evening and overnight. mostly clear. waves 5 to
7 feet subsiding to 1 to 2 feet. 
.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. 
.wednesday...southwest winds 15 to 20 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118765

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-220800-
grand haven to whitehall mi-
206 pm edt fri aug 21 2026

.through early evening...southwest winds 15 to 20 knots. 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 in the evening,
then a chance of showers and thunderstorms after midnight. 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. 
.sunday...northwest winds to 30 knots. sunny. waves 5 to 7 feet. 
.sunday night...northwest winds to 30 knots becoming north 5 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 2 to 4 feet in the late evening and overnight. 
.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. 
.wednesday...southwest winds 20 to 25 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118767

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-220800-
south haven to holland mi-
206 pm edt fri aug 21 2026

.through early evening...southwest winds 10 to 15 knots. 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
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. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 5 to 7 feet. 
.sunday night...northwest winds 15 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 1 to 3 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. 
.wednesday...southwest winds 15 to 20 knots. partly sunny with a
chance of rain showers. waves 2 to 4 feet. 

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118764

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-220800-
whitehall to pentwater mi-
206 pm edt fri aug 21 2026

...small craft advisory in effect until 8 pm edt this evening...

.through early evening...south winds 15 to 20 knots. cloudy with a
slight chance of showers and thunderstorms. waves 2 to 4 feet. 
.tonight...south winds 10 to 20 knots veering west after midnight.
rain showers likely and a chance of thunderstorms in the evening,
then a chance of showers and thunderstorms after midnight. 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 3 to 5 feet. 
.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. 
.sunday night...north winds 15 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 3 to
5 feet subsiding to 2 to 4 feet in the late evening and overnight. 
.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. 
.wednesday...southwest winds 15 to 20 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118768

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-220800-
st joseph to south haven mi-
206 pm edt fri aug 21 2026

.through early evening...southwest winds around 10 knots. partly
sunny. waves 1 foot or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms in the evening, then rain showers likely and a chance
of thunderstorms after midnight. 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
2 to 4 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. 
.sunday night...northwest winds 10 to 20 knots. mostly clear. waves
4 to 6 feet subsiding to 2 to 4 feet after midnight. 
.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. 
.wednesday...southwest winds 10 to 15 knots. partly sunny with a
chance of rain showers. waves 1 to 2 feet. 

$$

fzus53 kgrr 211806
nshgrr
expires:202608220800;;118763

nearshore marine forecast
national weather service grand rapids mi
206 pm edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-220800-
pentwater to manistee mi-
206 pm edt fri aug 21 2026

...small craft advisory in effect until 8 pm edt this evening...

.through early evening...south winds 15 to 20 knots. mostly cloudy
with a chance of showers and thunderstorms. 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 4 to 6 feet in the late evening and
overnight. 
.sunday...north winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.sunday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and overnight. mostly clear. waves 3 to
5 feet subsiding to 2 to 4 feet in the late evening and overnight. 
.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. 
.wednesday...southwest winds 15 to 20 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 

$$

fzus53 kiwx 211519
nshiwx
expires:202608212015;;112634

nearshore marine forecast
national weather service northern indiana
1119 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-212015-
michigan city in to new buffalo mi-
1119 am edt fri aug 21 2026

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

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 62 degrees and at michigan
city is 63 degrees.

$$

fzus53 kiwx 211519
nshiwx
expires:202608212015;;112635

nearshore marine forecast
national weather service northern indiana
1119 am edt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-212015-
new buffalo mi to st joseph mi-
1119 am edt fri aug 21 2026

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

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 62 degrees and at michigan
city is 63 degrees.

$$

fzus53 klot 211445
nshlot
expires:202608212115;;111429

nearshore marine forecast
national weather service chicago/romeoville il
945 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.


lmz740-212115-
winthrop harbor to wilmette harbor il-
945 am cdt fri aug 21 2026

.rest of today...southwest winds 10 to 15 kt becoming south late.
chance of showers and slight chance of thunderstorms late in the
morning, then showers likely and a chance of 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 klot 211445
nshlot
expires:202608212115;;111430

nearshore marine forecast
national weather service chicago/romeoville il
945 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>743-212115-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
945 am cdt fri aug 21 2026

.rest of today...southwest winds 10 to 15 kt becoming south late.
slight chance of showers late in the morning, then 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 211445
nshlot
expires:202608212115;;111431

nearshore marine forecast
national weather service chicago/romeoville il
945 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.


lmz744-745-212115-
gary to burns harbor in-burns harbor to michigan city in-
945 am cdt fri aug 21 2026

.rest of today...southwest winds around 10 to 15 kt becoming 
south late. chance of showers and thunderstorms in the afternoon. 
waves around 1 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 kmkx 211810
nshmkx
expires:202608212200;;119237

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-212200-
wind point wi to winthrop harbor il-
110 pm cdt fri aug 21 2026

.rest of today...south wind 10 to 15 knots. chance of showers and
thunderstorms. 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 late in
the afternoon. chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.saturday night...north wind 10 to 15 knots. chance of showers
and thunderstorms through around midnight. waves 1 to 2 feet
building to 2 to 4 feet after midnight. 

$$

fzus53 kmkx 211810
nshmkx
expires:202608212200;;119236

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-212200-
north point light to wind point wi-
110 pm cdt fri aug 21 2026

.rest of today...south wind 10 to 15 knots. slight chance of
showers and thunderstorms early in the afternoon, then chance of
showers and thunderstorms late in the afternoon. waves 1 to
2 feet. 
.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 with gusts to around
20 knots veering north late in the afternoon. 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 thunderstorms through
around midnight. waves 1 to 2 feet building to 3 to 4 feet after
midnight. 

$$

fzus53 kmkx 211810
nshmkx
expires:202608212200;;119235

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-212200-
port washington to north point light wi-
110 pm cdt fri aug 21 2026

.rest of today...south wind 10 to 15 knots. slight chance of
showers and thunderstorms early in the afternoon, then chance of
showers and thunderstorms late in the afternoon. waves 1 to
2 feet. 
.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 late in
the afternoon. 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 thunderstorms through
around midnight. waves 1 to 2 feet building to 2 to 4 feet after
midnight. 

$$

fzus53 kmkx 211810
nshmkx
expires:202608212200;;119234

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt fri aug 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-212200-
sheboygan to port washington wi-
110 pm cdt fri aug 21 2026

.rest of today...south wind 15 to 20 knots. slight chance of
showers and thunderstorms. waves 1 to 3 feet building to 2 to
4 feet late in the afternoon. 
.tonight...south wind 10 to 15 knots becoming southwest 5 to
10 knots late in the evening, then becoming northwest 10 to
15 knots after midnight. chance of thunderstorms and slight
chance of showers 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 veering north late in
the afternoon. chance of showers and slight chance of
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 thunderstorms through
around midnight. waves 1 to 2 feet. 

$$