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fzus53 kgrb 201336
nshgrb
expires:202607201600;;290528

nearshore marine forecast
national weather service green bay wi
836 am cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-201600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
836 am cdt mon jul 20 2026

...small craft advisory in effect through tuesday morning...

.today...sw wind 10 to 15 kts becoming s to 30 kts in the late
morning and afternoon. gusts to 35 kts. waves 5 to 8 ft. patchy
smoke in the morning. a chance of showers and thunderstorms in
the afternoon. 
.tonight...s wind 15 to 25 kts veering w 10 to 15 kts in the late
evening and overnight. waves 5 to 8 ft. patchy smoke in the
evening. a chance of showers and thunderstorms in the evening. 
.tuesday...nw wind 15 to 25 kts with gale force gusts to around
35 kts veering n to 30 kts with gale force gusts to around 35 kts
early in the afternoon. waves 2 to 4 ft building to 3 to 5 ft in
the afternoon. partly sunny. 
.tuesday night...n wind to 30 kts with gale force gusts to around
35 kts. waves 4 to 7 ft. mostly clear.  

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290521

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-202100-
pentwater to manistee mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...south winds to 30 knots. partly sunny. a slight
chance of rain showers in the afternoon. waves 2 to 4 feet building
to 5 to 7 feet early in the afternoon. 
.tonight...south winds to 30 knots veering southwest 15 to 25 knots
after midnight. rain showers and a chance of thunderstorms. patchy
smoke. waves 6 to 8 feet. 
.tuesday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny with a chance of rain showers.
waves 4 to 6 feet. 
.tuesday night...north gales to 35 knots decreasing to 30 knots
after midnight. partly cloudy. waves 7 to 10 feet. 
.wednesday...north winds to 30 knots. sunny. waves 6 to 9 feet
subsiding to 4 to 6 feet early in the afternoon. 
.thursday...southwest winds 5 to 15 knots. sunny. waves 1 to 2 feet.
.friday...southwest winds 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290526

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-202100-
st joseph to south haven mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...southwest winds 10 to 15 knots. partly sunny.
patchy smoke in the afternoon. waves around 1 foot. 
.tonight...southwest winds 15 to 25 knots. rain showers likely and a
chance of thunderstorms. waves 1 to 3 feet building to 4 to 6 feet
in the late evening and overnight. 
.tuesday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of rain showers. waves
4 to 6 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. waves 6 to
9 feet. 
.wednesday...north winds 20 to 25 knots. mostly sunny. waves 6 to
9 feet. 
.thursday...west winds 5 to 10 knots veering northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.friday...southwest winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290525

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-202100-
south haven to holland mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...southwest winds 10 to 20 knots. partly sunny.
patchy smoke. waves 1 to 3 feet. 
.tonight...southwest winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 2 to 4 feet building to 5 to 7 feet
in the late evening and overnight. 
.tuesday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny. waves 5 to 7 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. waves 6 to
8 feet. 
.wednesday...north winds to 30 knots. sunny. waves 6 to 8 feet. 
.thursday...west winds 5 to 10 knots. sunny. waves around 1 foot. 
.friday...southwest winds around 10 knots veering west early in the
afternoon. mostly sunny. waves around 1 foot. 

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290524

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-202100-
holland to grand haven mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...south winds 15 to 25 knots. mostly cloudy. patchy
smoke late in the morning. waves 1 to 3 feet building to 2 to 4 feet
early in the afternoon. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers likely and a chance of thunderstorms. patchy smoke.
waves 4 to 6 feet building to 5 to 7 feet after midnight. 
.tuesday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. waves 5 to
7 feet. 
.wednesday...north winds to 30 knots. sunny. waves 5 to 7 feet. 
.thursday...west winds 10 to 15 knots. sunny. waves around 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves around
1 foot. 

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290523

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-202100-
grand haven to whitehall mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...south winds 15 to 25 knots. mostly cloudy. patchy
smoke through the day. waves 3 to 5 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers and a chance of thunderstorms. patchy smoke. waves 6 to
8 feet. 
.tuesday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. waves 5 to
7 feet. 
.wednesday...north winds to 30 knots. sunny. waves 5 to 7 feet. 
.thursday...west winds 10 to 15 knots. sunny. waves around 1 foot. 
.friday...southwest winds around 15 knots. mostly sunny. waves 1 to
2 feet. 

$$
fzus53 kgrr 201336
nshgrr
expires:202607202100;;290522

nearshore marine forecast
national weather service grand rapids mi
936 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-202100-
whitehall to pentwater mi-
936 am edt mon jul 20 2026

...small craft advisory in effect through wednesday evening...

.rest of today...south winds to 30 knots. partly sunny. patchy
smoke. waves 2 to 4 feet building to 4 to 6 feet early in the
afternoon. 
.tonight...south winds to 30 knots veering southwest after midnight.
rain showers and a chance of thunderstorms. patchy smoke. waves 5 to
7 feet. 
.tuesday...northwest winds to 30 knots. mostly sunny with a slight
chance of rain showers. waves 5 to 7 feet. 
.tuesday night...north gales to 35 knots decreasing to 30 knots
after midnight. partly cloudy. waves 7 to 10 feet. 
.wednesday...north winds to 30 knots. sunny. waves 7 to 10 feet. 
.thursday...west winds 10 to 15 knots. sunny. waves around 1 foot. 
.friday...southwest winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet. 

$$
fzus53 klot 200720
nshlot
expires:202607202130;;277466

nearshore marine forecast
national weather service chicago/romeoville il
220 am cdt mon jul 20 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>742-202130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
220 am cdt mon jul 20 2026

.early this morning...nearly calm winds. patchy smoke. waves 
around 1 ft.
.today...south winds around 10 kt increasing to 15 to 25 kt.
smoke in the morning. waves 1 to 2 ft building to 2 to 4 ft. 
.tonight...southwest winds 15 to 25 kt becoming west. scattered 
showers and thunderstorms. waves 2 to 4 ft subsiding to 1 to 3 ft.
.tuesday...west winds 15 to 25 kt becoming northwest to 30 kt in 
the evening. isolated showers in the afternoon. waves 1 to 3 ft 
building to 2 to 4 ft. 
.tuesday night...north winds to 30 kt diminishing to 15 to 25 kt.
isolated showers in the evening. waves 5 to 8 ft occasionally to
10 ft building to 7 to 10 ft occasionally to 13 ft. a small craft
advisory will likely be needed.  

$$
fzus53 klot 200720
nshlot
expires:202607202130;;277467

nearshore marine forecast
national weather service chicago/romeoville il
220 am cdt mon jul 20 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>745-202130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
220 am cdt mon jul 20 2026

.early this morning...nearly calm winds. patchy smoke. waves
around 1 ft. 
.today...south winds 10 to 20 kt. smoke in the morning. waves
1 to 2 ft. 
.tonight...southwest winds 15 to 25 kt. scattered showers and 
thunderstorms after midnight. waves 1 to 2 ft building to 2 to 4 
ft. 
.tuesday...west winds 15 to 25 kt becoming northwest in the
afternoon. isolated showers in the afternoon. waves 2 to 4 ft. 
.tuesday night...north winds to 30 kt. isolated showers in the
evening. waves 6 to 9 ft occasionally to 12 ft building to 8 to
11 ft occasionally to 14 ft. a small craft advisory will likely
be needed.  

$$
fzus53 kmkx 201210
nshmkx
expires:202607201600;;288326

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-201600-
sheboygan to port washington wi-
710 am cdt mon jul 20 2026

...small craft advisory in effect from 1 pm cdt this afternoon
through tuesday morning...

.today...southwest wind 5 to 15 knots becoming south 10 to
20 knots late in the morning, then becoming 15 to 20 knots with
gusts to around 25 knots early in the afternoon becoming 15 to
25 knots late in the afternoon. patchy smoke through the day.
waves 1 to 2 feet building to 4 to 6 feet. 
.tonight...south wind 15 to 25 knots veering southwest 15 to
20 knots late in the evening, then veering west after midnight
becoming west 15 to 20 knots early in the morning. chance of
showers and thunderstorms through around midnight. waves 4 to
6 feet subsiding to 1 to 2 feet. 
.tuesday...west wind 15 to 20 knots veering northwest late in the
morning, then becoming northwest 15 to 20 knots early in the
afternoon becoming 10 to 20 knots late in the afternoon. gusts up
to 25 knots. patchy smoke in the morning. chance of showers and
slight chance of thunderstorms in the afternoon. waves 1 to
2 feet building to 3 to 4 feet in the afternoon. 
.tuesday night...north wind up to 30 knots easing to 15 to
25 knots after midnight, then becoming north 15 to 25 knots early
in the morning. chance of showers and slight chance of
thunderstorms through around midnight. waves 4 to 6 feet building
to 5 to 7 feet in the late evening and early morning, then
subsiding to 3 to 5 feet early in the morning. 

$$
fzus53 kmkx 201210
nshmkx
expires:202607201600;;288327

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-201600-
port washington to north point light wi-
710 am cdt mon jul 20 2026

...small craft advisory in effect from 1 pm cdt this afternoon
through tuesday morning...

.today...southwest wind 5 to 15 knots backing south 10 to
15 knots late in the morning, then rising to 15 to 20 knots early
in the afternoon becoming south 15 to 20 knots with gusts to
around 25 knots late in the afternoon. patchy smoke. waves around
1 foot building to 3 to 4 feet in the afternoon. 
.tonight...southwest wind 15 to 20 knots veering west early in
the morning. gusts up to 25 knots. showers likely and a chance of
thunderstorms through around midnight. waves 3 to 4 feet
subsiding to 1 to 2 feet early in the morning. 
.tuesday...west wind 15 to 20 knots veering northwest late in the
morning, then becoming northwest 15 to 20 knots early in the
afternoon becoming 10 to 20 knots late in the afternoon. gusts up
to 25 knots. patchy smoke in the morning. slight chance of
showers and thunderstorms in the afternoon. waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon. 
.tuesday night...north wind up to 30 knots easing to 15 to
25 knots after midnight, then becoming north 15 to 25 knots early
in the morning. slight chance of thunderstorms through around
midnight. slight chance of showers through the night. waves 4 to
6 feet building to 6 to 8 feet in the late evening and early
morning, then subsiding to 5 to 7 feet early in the morning. 

$$
fzus53 kmkx 201210
nshmkx
expires:202607201600;;288328

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-201600-
north point light to wind point wi-
710 am cdt mon jul 20 2026

...small craft advisory in effect from 1 pm cdt this afternoon
through late tonight...

.today...southwest wind 5 to 15 knots backing south 10 to
15 knots late in the morning, then rising to 15 to 20 knots early
in the afternoon becoming south 15 to 20 knots with gusts to
around 25 knots late in the afternoon. patchy smoke. waves around
1 foot building to 2 to 4 feet late in the afternoon. 
.tonight...southwest wind 15 to 20 knots veering west early in
the morning. gusts up to 25 knots. patchy smoke through around
midnight. showers likely and a chance of thunderstorms through
around midnight. waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight. 
.tuesday...west wind 15 to 20 knots veering northwest late in the
afternoon. gusts up to 25 knots. patchy smoke in the morning.
slight chance of showers and thunderstorms in the afternoon.
waves 1 to 2 feet building to 2 to 4 feet in the afternoon. 
.tuesday night...north wind up to 30 knots easing to 15 to
25 knots after midnight, then becoming north 15 to 25 knots early
in the morning. chance of showers through the night. waves 4 to
6 feet building to 7 to 9 feet in the late evening and overnight.

$$
fzus53 kmkx 201210
nshmkx
expires:202607201600;;288329

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-201600-
wind point wi to winthrop harbor il-
710 am cdt mon jul 20 2026

.today...south wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then becoming 10 to 20 knots early in the
afternoon becoming 15 to 20 knots late in the afternoon. patchy
smoke. waves around 1 foot building to 2 to 4 feet late in the
afternoon. 
.tonight...southwest wind 15 to 20 knots veering west early in
the morning. gusts up to 25 knots. patchy smoke through around
midnight. showers likely through around midnight. chance of
thunderstorms through the night. slight chance of showers after
midnight. waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight. 
.tuesday...west wind 15 to 20 knots veering northwest late in the
afternoon. gusts up to 25 knots. slight chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet building to
2 to 4 feet late in the afternoon. 
.tuesday night...north wind 15 to 25 knots rising to up to
30 knots late in the evening, then easing to 15 to 25 knots after
midnight becoming north 15 to 25 knots early in the morning.
slight chance of thunderstorms through around midnight. chance of
showers through the night. waves 4 to 6 feet building to 6 to
8 feet late in the evening, then building to 7 to 9 feet after
midnight subsiding to 6 to 8 feet early in the morning. a small
craft advisory may be needed. 

$$
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