fzus53 kgrb 201816
nshgrb
expires:202607202200;;300930

nearshore marine forecast
national weather service green bay wi
116 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-202200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
116 pm cdt mon jul 20 2026

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

.this afternoon...s wind to 30 kts. waves 5 to 8 ft. a chance of
showers and a slight chance of thunderstorms. 
.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. showers likely and a chance of thunderstorms in the
evening. 
.tuesday...nw wind 15 to 25 kts veering n to 30 kts early in the
afternoon. waves 3 to 5 ft. partly sunny. 
.tuesday night...n wind to 30 kts with gale force gusts to around
35 kts. waves 3 to 5 ft. mostly clear.  

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301408

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
223 pm edt mon jul 20 2026

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

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy. patchy smoke. waves 1 to 3 feet. 
.tonight...southwest winds to 30 knots. patchy smoke in the evening.
a chance of showers and thunderstorms in the evening, then rain
showers likely and a chance of thunderstorms after midnight. 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 with a slight chance of showers and
thunderstorms. waves 5 to 7 feet. 
.tuesday night...north winds to 30 knots. partly cloudy with a
slight chance of rain showers. waves 6 to 8 feet. 
.wednesday...north winds 20 to 25 knots. mostly sunny. waves 6 to
8 feet. 
.wednesday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and overnight. mostly clear. waves 5 to
7 feet subsiding to 1 to 3 feet after midnight. 
.thursday...southeast winds 5 to 10 knots veering west in the late
morning and afternoon. sunny. waves around 1 foot. 
.friday...south winds around 10 knots veering west early in the
afternoon. mostly sunny. waves around 1 foot. 
.saturday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301407

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
223 pm edt mon jul 20 2026

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

.through early evening...south winds 20 to 25 knots. mostly cloudy.
waves 2 to 4 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
patchy smoke in the evening. showers and thunderstorms likely. 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. mostly sunny. waves 5 to
7 feet. 
.wednesday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and overnight. mostly clear. waves 5 to
7 feet subsiding to 1 to 2 feet. 
.thursday...southwest winds 5 to 10 knots veering west early in the
afternoon. sunny. waves around 1 foot. 
.friday...southwest winds 10 to 15 knots veering west early in the
afternoon. mostly sunny. waves around 1 foot. 
.saturday...south winds 10 to 15 knots veering southwest early in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301406

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
223 pm edt mon jul 20 2026

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

.through early evening...south winds to 30 knots. mostly cloudy.
waves 3 to 5 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
patchy smoke in the evening. rain showers likely and a chance of
thunderstorms. 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. mostly sunny. waves 5 to
7 feet. 
.wednesday night...north winds 15 to 25 knots becoming northwest
5 to 10 knots. mostly clear. waves 4 to 6 feet subsiding to 2 to
3 feet in the late evening and overnight. 
.thursday...west winds 5 to 15 knots. sunny. waves around 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.saturday...southwest winds 10 to 15 knots. sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301409

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-210800-
st joseph to south haven mi-
223 pm edt mon jul 20 2026

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

.through early evening...southwest winds around 15 knots. mostly
cloudy. patchy smoke. waves around 1 foot. 
.tonight...southwest winds 15 to 25 knots. patchy smoke in the
evening. partly cloudy with a chance of showers and thunderstorms in
the evening, then rain showers likely and a chance of thunderstorms
after midnight. 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 showers and
thunderstorms. waves 4 to 6 feet. 
.tuesday night...north winds to 30 knots. partly cloudy with a
slight chance of rain showers. waves 6 to 9 feet. 
.wednesday...north winds 20 to 25 knots. mostly sunny. waves 6 to
9 feet. 
.wednesday night...north winds 15 to 25 knots becoming northeast
5 to 15 knots in the late evening and overnight. mostly clear. waves
5 to 7 feet subsiding to 2 to 3 feet after midnight. 
.thursday...east winds around 5 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.friday...south winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 
.saturday...south winds 5 to 10 knots veering west early in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301404

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
223 pm edt mon jul 20 2026

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

.through early evening...south winds to 30 knots. partly sunny with
a slight chance of showers and thunderstorms. patchy smoke. waves
5 to 7 feet. 
.tonight...south winds to 30 knots veering southwest 15 to 25 knots
after midnight. patchy smoke in the evening. rain showers with
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight. waves 6 to 8 feet. 
.tuesday...west winds 15 to 25 knots veering northwest to 30 knots
early in the afternoon. mostly sunny with a chance of rain showers
and a slight chance of thunderstorms. waves 4 to 6 feet. 
.tuesday night...north gales to 35 knots decreasing to 30 knots
after midnight. mostly cloudy. waves 7 to 10 feet. 
.wednesday...north winds to 30 knots. mostly sunny. waves 6 to
9 feet subsiding to 4 to 6 feet early in the afternoon. 
.wednesday night...north winds 10 to 20 knots decreasing to 5 to
10 knots in the late evening and early morning, then backing
southwest after midnight. mostly clear. waves 2 to 4 feet subsiding
to 1 to 2 feet in the late evening and overnight. 
.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. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
25 knots early in the afternoon. sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202607210800;;301405

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
223 pm edt mon jul 20 2026

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

.through early evening...south winds to 30 knots. partly sunny.
patchy smoke. waves 4 to 6 feet. 
.tonight...south winds to 30 knots veering southwest after midnight.
patchy smoke in the evening. showers and thunderstorms likely in the
evening, then rain showers likely and a chance of thunderstorms
after midnight. waves 5 to 7 feet. 
.tuesday...west winds to 30 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of showers and
thunderstorms. waves 5 to 7 feet. 
.tuesday night...north winds to 30 knots. mostly cloudy. waves 7 to
10 feet. 
.wednesday...north winds to 30 knots. mostly sunny. waves 7 to
10 feet. 
.wednesday night...north winds 15 to 25 knots becoming northeast
5 to 10 knots in the late evening and early morning, then veering
southwest after midnight. mostly clear. waves 3 to 5 feet subsiding
to 1 to 3 feet in the late evening and overnight. 
.thursday...west winds 10 to 15 knots. sunny. waves around 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.saturday...southwest winds 10 to 20 knots. sunny. waves 1 to
2 feet. 

$$

fzus53 kiwx 201522
nshiwx
expires:202607202015;;294072

nearshore marine forecast
national weather service northern indiana
1122 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-202015-
michigan city in to new buffalo mi-
1122 am edt mon jul 20 2026

.this afternoon...south winds 5 to 10 knots. patchy smoke. waves
1 foot or less. 
.tonight...south winds 10 to 15 knots becoming southwest 15 to
20 knots. gusts up to 25 knots. patchy smoke in the evening.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 2 to 4 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. gusts up to 25 knots. a chance of showers and
thunderstorms in the morning. waves 2 to 4 feet. 
.tuesday night...northwest winds 15 to 25 knots becoming north.
gusts up to 30 knots. a chance of showers with a slight chance of
thunderstorms in the evening. waves 3 to 5 feet building to 5 to
8 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 51 degrees and at michigan
city is 57 degrees.

$$

fzus53 kiwx 201522
nshiwx
expires:202607202015;;294071

nearshore marine forecast
national weather service northern indiana
1122 am edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-202015-
new buffalo mi to st joseph mi-
1122 am edt mon jul 20 2026

...small craft advisory in effect from late tonight through late
wednesday night...

.this afternoon...south winds 5 to 10 knots becoming southwest.
patchy smoke. waves 1 foot or less. 
.tonight...south winds 10 to 15 knots becoming southwest 15 to
20 knots. gusts up to 25 knots. patchy smoke in the evening. a
chance of showers and thunderstorms in the evening, then showers
with a chance of thunderstorms overnight. waves 1 to 3 feet
building to 3 to 5 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. gusts up to 25 knots. a chance of showers and
thunderstorms in the morning. waves 3 to 5 feet. 
.tuesday night...northwest winds 15 to 25 knots becoming north.
gusts up to 30 knots. a chance of showers with a slight chance of
thunderstorms in the evening. waves 3 to 5 feet building to 5 to
8 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 51 degrees and at michigan
city is 57 degrees.

$$

fzus53 klot 201432
nshlot
expires:202607202130;;292316

nearshore marine forecast
national weather service chicago/romeoville il
932 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-
932 am cdt mon jul 20 2026

.rest of today...southwest winds 10 to 15 kt becoming south and
increasing to 15 to 25 kt. smoke late in the morning. mostly
cloudy. waves 1 to 3 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 201432
nshlot
expires:202607202130;;292317

nearshore marine forecast
national weather service chicago/romeoville il
932 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-
932 am cdt mon jul 20 2026

.rest of today...south winds 10 to 15 kt increasing to 15 to 20 
kt. smoke late in the morning. mostly cloudy. waves 1 to 3 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 201810
nshmkx
expires:202607202200;;300726

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-202200-
wind point wi to winthrop harbor il-
110 pm cdt mon jul 20 2026

.rest of today...south wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. partly sunny. waves 1 to 2 feet
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. showers likely and a chance of
thunderstorms through around midnight. slight chance of showers
and thunderstorms after midnight. waves 2 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
afternoon. sunny in the morning then becoming partly sunny. waves
1 to 2 feet building to 2 to 4 feet late in the afternoon. 
.tuesday night...northwest wind 15 to 20 knots veering north
15 to 25 knots in the late evening and early morning, then
becoming 15 to 20 knots early in the morning. partly cloudy.
waves 4 to 6 feet building to 5 to 7 feet. a small craft advisory
may be needed. 

$$

fzus53 kmkx 201810
nshmkx
expires:202607202200;;300725

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-202200-
north point light to wind point wi-
110 pm cdt mon jul 20 2026

...small craft advisory in effect until 1 am cdt tuesday...

.rest of today...south wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. partly sunny. waves 1 to 2 feet
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. showers likely and a chance of
thunderstorms through around midnight. slight chance of
thunderstorms after midnight. waves 2 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
afternoon. sunny in the morning then becoming partly sunny. waves
1 to 2 feet building to 2 to 4 feet late in the afternoon. 
.tuesday night...northwest wind 15 to 20 knots veering north
15 to 25 knots in the late evening and overnight. partly cloudy.
waves 3 to 4 feet building to 5 to 7 feet. 

$$

fzus53 kmkx 201810
nshmkx
expires:202607202200;;300724

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-202200-
port washington to north point light wi-
110 pm cdt mon jul 20 2026

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

.rest of today...south wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 3 feet building to 3 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. showers and thunderstorms
likely 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
afternoon. gusts up to 25 knots. sunny in the morning then
becoming partly sunny. waves 1 to 2 feet building to 2 to 4 feet
late in the afternoon. 
.tuesday night...northwest wind 15 to 20 knots veering north
15 to 25 knots in the late evening and overnight. partly cloudy.
waves 4 to 6 feet. 

$$

fzus53 kmkx 201810
nshmkx
expires:202607202200;;300723

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-202200-
sheboygan to port washington wi-
110 pm cdt mon jul 20 2026

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

.rest of today...south wind 10 to 20 knots rising to 15 to
25 knots late in the afternoon. mostly sunny. waves 3 to 4 feet
building to 3 to 5 feet late in the afternoon. 
.tonight...south wind 15 to 20 knots veering west early in the
morning. gusts up to 25 knots. thunderstorms likely and a chance
of showers 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
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 becoming 15 to
20 knots early in the morning. partly cloudy. waves 3 to 5 feet
building to 4 to 6 feet late in the evening, then subsiding to
3 to 5 feet after midnight. 

$$