fzus53 kapx 210023
nshapx
expires:202607210830;;318067

nearshore marine forecast
national weather service gaylord mi
823 pm edt mon jul 20 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.


lmz346-210830-
manistee to point betsie mi-
823 pm edt mon jul 20 2026

...severe thunderstorm watch 505 in effect until 2 am edt
tuesday...
...small craft advisory in effect through wednesday evening...

.overnight...southwest wind 15 to 20 knots with gusts to 25 
knots. patchy smoke early 
in the evening. numerous showers and thunderstorms early in the 
evening, then scattered showers and isolated thunderstorms after 
midnight. waves 4 to 6 feet subsiding to 3 to 5 feet after 
midnight. 
.tuesday...northwest wind 15 to 25 knots. patchy smoke. isolated
showers and thunderstorms. waves 4 to 6 feet. 
.tuesday night...north wind 15 to 25 knots. mostly cloudy. waves
5 to 8 feet. 
.wednesday...north wind 10 to 20 knots. sunny. waves 4 to 7 feet.

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 210220
nshgrb
expires:202607211000;;322509

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

for waters within five nautical miles of shore on lake michigan


lmz541>543-211000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
920 pm cdt mon jul 20 2026

...small craft advisory in effect until 7 am cdt tuesday...
...tornado watch 501 in effect until 11 pm cdt this evening...

.rest of tonight...sw wind 15 to 25 kts veering w 10 to 15 kts in
the late evening and overnight. waves 5 to 8 ft subsiding to 4 to
7 ft after midnight. showers likely and a chance of thunderstorms
early 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. a small craft advisory
may be needed. 
.tuesday night...n wind to 30 kts with gale force gusts to around
35 kts. waves 3 to 5 ft. partly cloudy. 
.wednesday...n wind 15 to 25 kts decreasing to 10 to 15 kts in
the late morning and afternoon. waves 2 to 4 ft. sunny. 

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328079

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
1258 am edt tue jul 21 2026

...small craft advisory in effect through wednesday evening...
...severe thunderstorm watch 505 in effect until 2 am edt early this
morning...

.rest of tonight...southwest winds 15 to 25 knots. partly cloudy
with a chance of showers and thunderstorms. patchy smoke. some
thunderstorms may be severe with damaging winds and large hail.
waves 4 to 6 feet. 
.tuesday...west winds 15 to 25 knots veering northwest to 30 knots
early in the afternoon. mostly sunny with a slight chance of showers
and thunderstorms. waves 4 to 6 feet. 
.tuesday night...north gales to 35 knots decreasing to 30 knots
after midnight. partly cloudy. waves 6 to 9 feet. 
.wednesday...north winds to 30 knots. sunny. waves 6 to 8 feet. 
.wednesday night...north winds 10 to 20 knots veering northeast 5 to
10 knots in the late evening and early morning, then veering south
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 around
1 foot. 
.friday...southwest winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.saturday...southwest winds 15 to 25 knots. mostly sunny. waves 2 to
3 feet. 

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328084

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-210800-
st joseph to south haven mi-
1258 am edt tue jul 21 2026

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

.rest of tonight...southwest winds 20 to 25 knots. partly cloudy
with a slight chance of showers and thunderstorms. waves 4 to
6 feet. 
.tuesday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny. waves 4 to 6 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. 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 early morning, then veering
northeast after midnight. mostly clear. waves 5 to 7 feet subsiding
to 2 to 3 feet after midnight. 
.thursday...southeast winds around 5 knots veering southwest 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 southwest in the late
morning and afternoon. sunny. waves less than 1 foot. 

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328083

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
1258 am edt tue jul 21 2026

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

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

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328082

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
1258 am edt tue jul 21 2026

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

.rest of tonight...southwest winds to 30 knots. partly cloudy with a
chance of showers and thunderstorms. waves 5 to 7 feet. 
.tuesday...west winds around 25 knots veering northwest early in the
afternoon. sunny. waves 5 to 7 feet. 
.tuesday night...north winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.wednesday...north winds to 30 knots. mostly sunny. waves 4 to
6 feet. 
.wednesday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and early morning, then veering
northeast after midnight. mostly clear. waves 4 to 6 feet subsiding
to 1 to 2 feet. 
.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 10 to 15 knots veering southwest early in
the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328081

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
1258 am edt tue jul 21 2026

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

.rest of tonight...southwest winds to 30 knots. partly cloudy with a
chance of showers and thunderstorms. waves 5 to 7 feet. 
.tuesday...northwest winds to 30 knots. 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 early morning, then veering east
after midnight. mostly clear. waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.thursday...south winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. sunny. waves around
1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.saturday...southwest winds 10 to 20 knots. mostly sunny. waves
around 1 foot. 

$$

fzus53 kgrr 210458
nshgrr
expires:202607210800;;328080

nearshore marine forecast
national weather service grand rapids mi
1258 am edt tue jul 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
1258 am edt tue jul 21 2026

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

.rest of tonight...southwest winds to 30 knots. partly cloudy with a
chance of showers and thunderstorms. waves 5 to 7 feet. 
.tuesday...west winds around 25 knots veering northwest early in the
afternoon. mostly sunny. waves 5 to 7 feet. 
.tuesday night...north gales to 35 knots decreasing to 30 knots
after midnight. partly cloudy. waves 6 to 9 feet. 
.wednesday...north winds to 30 knots. mostly sunny. waves 6 to
8 feet. 
.wednesday night...north winds 15 to 25 knots becoming northeast
5 to 10 knots in the late evening and early morning, then veering
south after midnight. mostly clear. waves 3 to 5 feet subsiding to
1 to 3 feet in the late evening and overnight. 
.thursday...southwest winds 10 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 15 to 25 knots. mostly sunny. waves 1 to
3 feet. 

$$

fzus53 kiwx 210200
nshiwx
expires:202607210815;;321313

nearshore marine forecast
national weather service northern indiana
1000 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-210815-
michigan city in to new buffalo mi-
1000 pm edt mon jul 20 2026

.overnight...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers and thunderstorms late. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 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, then a slight chance of showers
overnight. waves 3 to 6 feet building to 5 to 7 feet. 
.wednesday...north winds 15 to 20 knots. gusts up to 25 knots.
mostly cloudy in the morning, then becoming mostly sunny. waves
5 to 7 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 210200
nshiwx
expires:202607210815;;321312

nearshore marine forecast
national weather service northern indiana
1000 pm edt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-210815-
new buffalo mi to st joseph mi-
1000 pm edt mon jul 20 2026

...small craft advisory in effect from 2 am edt tuesday through
late wednesday night...

.overnight...southwest winds 10 to 15 knots increasing to
15 to 20 knots. gusts up to 25 knots. a chance of showers and
thunderstorms late. 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, then a slight chance of showers
overnight. waves 3 to 6 feet building to 5 to 7 feet. 
.wednesday...north winds 15 to 20 knots. gusts up to 30 knots.
mostly cloudy in the morning, then becoming mostly sunny. waves
5 to 7 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 210138
nshlot
expires:202607210915;;320768

nearshore marine forecast
national weather service chicago/romeoville il
838 pm 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>745-210915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
838 pm cdt mon jul 20 2026

...small craft advisory in effect until 6 am cdt tuesday...

.rest of tonight...southwest winds 15 to 20 kt increasing to 20 
to 25 kt by midnight, then becoming west late. chance of 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. mostly sunny in the morning, then becoming partly
cloudy. waves 2 to 4 ft. 
.tuesday night...north winds 20 to 25 kt with a few gusts to 30 kt.
chance of showers and slight chance of thunderstorms in the 
evening. waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 
ft occasionally to 10 ft. a small craft advisory will likely be 
needed. 
.wednesday...north winds 15 to 25 kt. mostly cloudy in the
morning then clearing. waves 5 to 8 ft occasionally to 10 ft. a
small craft advisory will likely be needed.  

$$

fzus53 klot 210138
nshlot
expires:202607210915;;320767

nearshore marine forecast
national weather service chicago/romeoville il
838 pm 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>742-210915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
838 pm cdt mon jul 20 2026

...small craft advisory in effect until 6 am cdt tuesday...

.rest of tonight...southwest winds 15 to 20 kt increasing to 20 
to 25 kt late in the evening, then becoming west late. chance of 
showers and thunderstorms after midnight. waves 1 to 3 ft. 
.tuesday...west winds 10 to 20 kt becoming northwest in the
afternoon and increasing to 15 to 25 kt late. mostly sunny in the
morning, then becoming partly cloudy. waves 1 to 3 ft building to
2 to 4 ft. 
.tuesday night...north winds 20 to 25 kt. slight chance of 
showers and thunderstorms in the evening. waves 4 to 6 ft 
occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. 
a small craft advisory will likely be needed. 
.wednesday...north winds 15 to 25 kt. mostly sunny. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. a small craft advisory will likely be needed.  

$$

fzus53 kmkx 210410
nshmkx
expires:202607211000;;326775

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-211000-
port washington to north point light wi-
1110 pm cdt mon jul 20 2026

...small craft advisory in effect until 7 am cdt tuesday...

.rest of tonight...southwest wind 15 to 20 knots veering west
early in the morning. gusts up to 25 knots. 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
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. 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. 
.wednesday...north wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then easing to 10 to 15 knots early in the
afternoon veering northeast late in the afternoon. sunny. waves
3 to 4 feet. 

$$

fzus53 kmkx 210410
nshmkx
expires:202607211000;;326777

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-211000-
wind point wi to winthrop harbor il-
1110 pm cdt mon jul 20 2026

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

.rest of tonight...southwest wind 15 to 20 knots veering west
early in the morning. gusts up to 25 knots. 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 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 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 after midnight. 
.wednesday...north wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then becoming 10 to 20 knots early in the
afternoon veering northeast 10 to 15 knots late in the afternoon.
sunny. waves 4 to 6 feet subsiding to 3 to 4 feet. 

$$

fzus53 kmkx 210410
nshmkx
expires:202607211000;;326774

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-211000-
sheboygan to port washington wi-
1110 pm cdt mon jul 20 2026

...small craft advisory in effect until 7 am cdt tuesday...

.rest of tonight...southwest wind 15 to 20 knots becoming west
10 to 15 knots early in the morning. gusts up to 25 knots. partly
cloudy. 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. sunny in the morning then becoming partly sunny.
waves 1 to 2 feet building to 2 to 4 feet in the afternoon. 
.tuesday night...northwest wind 15 to 25 knots veering north in
the late evening and early morning, then becoming 15 to 20 knots
early in the morning. partly cloudy. waves 3 to 4 feet building
to 3 to 5 feet in the late evening and early morning, then
subsiding to 3 to 4 feet early in the morning. 
.wednesday...northwest wind 15 to 25 knots veering north 15 to
20 knots late in the morning, then easing to 10 to 15 knots with
gusts to around 20 knots early in the afternoon becoming north
10 to 15 knots late in the afternoon. sunny. waves 3 to 4 feet
subsiding to 1 to 2 feet late in the afternoon. 

$$

fzus53 kmkx 210410
nshmkx
expires:202607211000;;326776

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon jul 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-211000-
north point light to wind point wi-
1110 pm cdt mon jul 20 2026

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

.rest of tonight...southwest wind 15 to 20 knots veering west
early in the morning. gusts up to 25 knots. 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. 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 building to 5 to 7 feet. 
.wednesday...north wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then becoming 10 to 20 knots early in the
afternoon veering northeast 10 to 15 knots late in the afternoon.
sunny. waves 4 to 6 feet subsiding to 3 to 4 feet. 

$$