(1/16)
Latest Nearshore Marine Forecast by KAPX
Issued 7/21/2026 10:58 AM America/New_York.
Valid through 7/21/2026 7:00 PM America/New_York.
fzus53 kapx 211458
nshapx
expires:202607212300;;352301
nearshore marine forecast
national weather service gaylord mi
1058 am edt tue jul 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.
lmz346-212300-
manistee to point betsie mi-
1058 am edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.today...northwest wind 15 to 25 knots becoming north 10 to
20 knots early in the evening. slight chance of showers and
thunderstorms through the day. waves 2 to 4 feet building to 4 to
7 feet in the afternoon. waves occasionally around 9 feet.
.tonight...north wind 10 to 20 knots. mostly cloudy. waves 5 to
8 feet.
.wednesday...north wind 10 to 15 knots. sunny. waves 3 to 5 feet.
.wednesday night...southwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less.
winds and waves higher in the vicinity of thunderstorms.
see the open lakes forecast for days 3 through 5.
$$
(2/16)
Latest Nearshore Marine Forecast by KGRB
Issued 7/21/2026 2:23 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kgrb 211923
nshgrb
expires:202607212200;;365521
nearshore marine forecast
national weather service green bay wi
223 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-212200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
223 pm cdt tue jul 21 2026
...small craft advisory in effect through late tonight...
.this afternoon...n wind to 30 kts. waves 3 to 5 ft. isolated
showers.
.tonight...nw wind 15 to 25 kts. waves 3 to 5 ft subsiding to
2 to 4 ft after midnight. partly cloudy.
.wednesday...nw wind 10 to 15 kts backing w 5 to 10 kts early in
the afternoon. waves 1 to 3 ft. mostly sunny.
.wednesday night...w wind 5 to 10 kts. waves 2 ft or less. clear.
$$
(3/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360222
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz844-220800-
st joseph to south haven mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...northwest winds around 20 knots. mostly
sunny. waves 3 to 5 feet.
.tonight...north winds to 30 knots. partly cloudy. waves 6 to
8 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 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 3 feet after midnight.
.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.
.thursday night...west winds 5 to 10 knots backing south in the late
evening and overnight. partly cloudy. waves less than 1 foot.
.friday...south winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot.
.saturday...southwest winds 5 to 10 knots. sunny. waves less than
1 foot.
.sunday...west winds around 15 knots. mostly sunny. waves 1 to
3 feet.
$$
(4/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360220
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz846-220800-
holland to grand haven mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...northwest winds to 30 knots. mostly sunny.
waves 4 to 6 feet.
.tonight...north winds to 30 knots. partly cloudy. waves 4 to
6 feet.
.wednesday...north winds to 30 knots. mostly sunny. waves 4 to
6 feet.
.wednesday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and early morning, then veering east
after midnight. mostly clear. waves 3 to 5 feet subsiding to 2 to
3 feet in the late evening and overnight.
.thursday...south winds 5 to 10 knots veering west in the late
morning and afternoon. sunny. waves 1 foot or less.
.thursday night...southwest winds 5 to 10 knots backing south after
midnight. partly cloudy. waves 1 foot or less.
.friday...south winds around 10 knots veering west early in the
afternoon. mostly sunny. waves 1 foot or less.
.saturday...southwest winds 10 to 15 knots. sunny. waves around
1 foot.
.sunday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet.
$$
(5/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360221
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz845-220800-
south haven to holland mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...northwest winds 20 to 25 knots. sunny.
waves 3 to 5 feet.
.tonight...north winds to 30 knots. partly cloudy. waves 5 to
7 feet.
.wednesday...north winds 20 to 25 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 east
after midnight. mostly clear. waves 4 to 6 feet subsiding to 1 to
2 feet after midnight.
.thursday...southeast winds 5 to 10 knots veering southwest in the
late morning and early afternoon, then veering west early in the
afternoon. sunny. waves around 1 foot.
.thursday night...west winds 5 to 10 knots backing south in the late
evening and overnight. partly cloudy. waves less than 1 foot.
.friday...south winds around 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot.
.saturday...south winds 5 to 15 knots veering southwest early in the
afternoon. sunny. waves 1 foot or less.
.sunday...southwest winds 15 to 20 knots. mostly sunny. waves 2 to
3 feet.
$$
(6/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360217
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz849-220800-
pentwater to manistee mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...north winds to 30 knots. partly sunny with
a slight chance of showers and thunderstorms. waves 4 to 6 feet.
.tonight...north gales to 35 knots decreasing to 30 knots after
midnight. partly cloudy in the evening then becoming mostly cloudy.
waves 7 to 10 feet.
.wednesday...north winds 15 to 25 knots. sunny. waves 5 to 7 feet.
.wednesday night...north winds 5 to 15 knots backing southwest after
midnight. mostly clear. waves 2 to 3 feet.
.thursday...southwest winds 5 to 15 knots becoming in the late
morning and afternoon. sunny. waves around 1 foot.
.thursday night...southwest winds 10 to 15 knots. mostly clear.
waves 1 to 2 feet.
.friday...southwest winds 10 to 20 knots. sunny. waves 1 to 2 feet.
.saturday...southwest winds 10 to 20 knots backing south 20 to
25 knots early in the afternoon. sunny. waves 1 to 3 feet.
.sunday...southwest winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
$$
(7/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360218
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz848-220800-
whitehall to pentwater mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...northwest winds to 30 knots. mostly sunny
with a slight chance of showers and thunderstorms. waves 4 to
6 feet.
.tonight...north gales to 35 knots decreasing to 30 knots after
midnight. partly cloudy in the evening then becoming mostly cloudy.
waves 7 to 10 feet.
.wednesday...north winds to 30 knots. sunny. waves 5 to 7 feet.
.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 10 to 15 knots. sunny. waves around
1 foot.
.thursday night...southwest winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet.
.saturday...southwest winds 10 to 20 knots backing south 20 to
25 knots early in the afternoon. sunny. waves 1 to 3 feet.
.sunday...southwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet.
$$
(8/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/21/2026 2:11 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus53 kgrr 211811
nshgrr
expires:202607220800;;360219
nearshore marine forecast
national weather service grand rapids mi
211 pm edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz847-220800-
grand haven to whitehall mi-
211 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.through early evening...northwest winds to 30 knots. mostly sunny
with a slight chance of showers and thunderstorms. waves 4 to
6 feet.
.tonight...north gales to 35 knots decreasing to 30 knots in the
late evening and overnight. partly cloudy. waves 5 to 7 feet.
.wednesday...north winds 20 to 25 knots. mostly sunny. waves 4 to
6 feet.
.wednesday night...north winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and early morning, then veering
southeast after midnight. mostly clear. waves 3 to 5 feet subsiding
to 1 to 3 feet in the late evening and overnight.
.thursday...south winds 5 to 10 knots veering west 10 to 15 knots in
the late morning and afternoon. sunny. waves around 1 foot.
.thursday night...southwest winds 10 to 15 knots. partly cloudy.
waves around 1 foot.
.friday...southwest winds 10 to 15 knots. mostly sunny. waves around
1 foot.
.saturday...southwest winds 10 to 20 knots. sunny. waves 1 to
2 feet.
.sunday...southwest winds around 20 knots. mostly sunny. waves 2 to
3 feet building to 3 to 5 feet in the late morning and afternoon.
$$
(9/16)
Latest Nearshore Marine Forecast by KIWX
Issued 7/21/2026 11:05 AM America/New_York.
Valid through 7/21/2026 4:30 PM America/New_York.
fzus53 kiwx 211505
nshiwx
expires:202607212030;;352705
nearshore marine forecast
national weather service northern indiana
1105 am edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz043-212030-
new buffalo mi to st joseph mi-
1105 am edt tue jul 21 2026
...small craft advisory in effect through late wednesday night...
.this afternoon...west winds 10 to 15 knots becoming northwest.
gusts up to 25 knots. sunny. waves 3 to 5 feet subsiding to 2 to
3 feet.
.tonight...north winds 15 to 25 knots. gusts up to 30 knots.
partly cloudy in the evening, then becoming mostly cloudy. waves
3 to 5 feet building to 5 to 8 feet.
.wednesday...north winds 15 to 20 knots. gusts up to 25 knots.
mostly sunny. waves 4 to 7 feet subsiding to 3 to 5 feet.
.wednesday night...north winds 5 to 15 knots becoming east less
than 10 knots. gusts up to 25 knots. mostly clear. waves 3 to
5 feet subsiding to 1 to 3 feet.
the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.
$$
(10/16)
Latest Nearshore Marine Forecast by KIWX
Issued 7/21/2026 11:05 AM America/New_York.
Valid through 7/21/2026 4:30 PM America/New_York.
fzus53 kiwx 211505
nshiwx
expires:202607212030;;352706
nearshore marine forecast
national weather service northern indiana
1105 am edt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz046-212030-
michigan city in to new buffalo mi-
1105 am edt tue jul 21 2026
...small craft advisory in effect through late wednesday night...
.this afternoon...west winds 10 to 15 knots becoming northwest.
a few gusts up to 25 knots. sunny. waves 2 to 4 feet.
.tonight...north winds 15 to 25 knots. gusts up to 30 knots. a
slight chance of showers and thunderstorms in the evening. waves
2 to 4 feet building to 5 to 8 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. partly sunny. waves 5 to 8 feet subsiding to 3 to
5 feet.
.wednesday night...north winds 5 to 15 knots becoming northeast
less than 10 knots. mostly clear. waves 3 to 5 feet subsiding to
2 to 3 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.
$$
(11/16)
Latest Nearshore Marine Forecast by KLOT
Issued 7/21/2026 9:46 AM US/Central.
Valid through 7/21/2026 4:30 PM US/Central.
fzus53 klot 211446
nshlot
expires:202607212130;;351966
nearshore marine forecast
national weather service chicago/romeoville il
946 am cdt tue jul 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>742-212130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
946 am cdt tue jul 21 2026
...small craft advisory in effect through wednesday evening...
.rest of today...west winds 10 to 20 kt becoming northwest 20 to
25 kt late. isolated showers. waves 1 to 3 ft building to 3 to 5
ft late this afternoon.
.tonight...north winds 20 to 25 kt. scattered showers. waves 4 to
6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to
12 ft.
.wednesday...north winds 20 to 25 kt. partly cloudy with a few
showers. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.wednesday night...north winds 10 to 20 kt becoming northwest and
diminishing to around 10 kt overnight. mostly clear. waves 3 to
5 ft subsiding to 2 to 4 ft.
$$
(12/16)
Latest Nearshore Marine Forecast by KLOT
Issued 7/21/2026 9:46 AM US/Central.
Valid through 7/21/2026 4:30 PM US/Central.
fzus53 klot 211446
nshlot
expires:202607212130;;351967
nearshore marine forecast
national weather service chicago/romeoville il
946 am cdt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-212130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
946 am cdt tue jul 21 2026
...small craft advisory in effect through late wednesday night...
.rest of today...west winds 15 to 20 kt becoming north 20 to
25 kt late. isolated showers. waves 2 to 4 ft building to 3 to 5
ft late this afternoon.
.tonight...north winds 20 to 25 kt. scattered showers. waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft.
.wednesday...north winds 20 to 25 kt. scattered showers. waves 6
to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally
to 9 ft.
.wednesday night...north winds 10 to 20 kt. clear. waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
$$
(13/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/21/2026 1:10 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kmkx 211810
nshmkx
expires:202607212200;;360134
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue jul 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 tue jul 21 2026
...small craft advisory in effect through wednesday afternoon...
.rest of today...northwest wind 15 to 20 knots veering north late
in the afternoon. gusts up to 25 knots. slight chance of showers
early in the afternoon. slight chance of thunderstorms through
the day. chance of showers late in the afternoon. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon.
.tonight...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 15 to 20 knots early in the morning. chance of showers
and slight chance of thunderstorms through around midnight. 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.
.wednesday...north wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then veering northeast late in the
afternoon. sunny. waves 3 to 5 feet subsiding to 3 to 4 feet in
the late morning and afternoon.
.wednesday night...northeast wind 5 to 10 knots backing west late
in the evening, then becoming west 5 to 10 knots after midnight.
mostly clear. waves 1 to 2 feet.
$$
(14/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/21/2026 1:10 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kmkx 211810
nshmkx
expires:202607212200;;360133
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz644-212200-
port washington to north point light wi-
110 pm cdt tue jul 21 2026
...small craft advisory in effect through wednesday morning...
.rest of today...northwest wind 15 to 20 knots veering north late
in the afternoon. gusts up to 25 knots. slight chance of showers
early in the afternoon. slight chance of thunderstorms through
the day. chance of showers late in the afternoon. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon.
.tonight...north wind 15 to 25 knots becoming 15 to 20 knots
early in the morning. chance of showers through around midnight.
waves 4 to 6 feet building to 5 to 7 feet in the late evening and
early morning, then subsiding to 3 to 5 feet early in the
morning.
.wednesday...north wind 15 to 20 knots becoming 10 to 20 knots
late in the morning, then becoming 10 to 15 knots early in the
afternoon veering northeast 5 to 15 knots late in the afternoon.
sunny. waves 3 to 4 feet subsiding to 1 to 2 feet in the
afternoon.
.wednesday night...east wind 5 to 10 knots veering west late in
the evening, then becoming west 5 to 10 knots after midnight.
mostly clear. waves around 1 foot.
$$
(15/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/21/2026 1:10 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kmkx 211810
nshmkx
expires:202607212200;;360132
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz643-212200-
sheboygan to port washington wi-
110 pm cdt tue jul 21 2026
...small craft advisory in effect through wednesday morning...
.rest of today...northwest wind 15 to 20 knots veering north
15 to 25 knots late in the afternoon. slight chance of showers
early in the afternoon. slight chance of thunderstorms through
the day. chance of showers late in the afternoon. waves 1 to
3 feet building to 3 to 4 feet late in the afternoon.
.tonight...north wind 15 to 25 knots with gusts to around
30 knots becoming north 15 to 25 knots after midnight, then
backing northwest 15 to 20 knots early in the morning. slight
chance of showers through around midnight. waves 4 to 6 feet
subsiding to 3 to 5 feet after midnight, then subsiding to 3 to
4 feet early in the morning.
.wednesday...northwest wind 15 to 20 knots becoming north 10 to
15 knots in the late morning and early afternoon, then becoming
northeast 5 to 10 knots late in the afternoon. sunny. waves 2 to
4 feet subsiding to 1 to 2 feet in the late morning and
afternoon.
.wednesday night...south wind 5 to 10 knots veering west early in
the morning. mostly clear. waves around 1 foot.
$$
(16/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/21/2026 1:10 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kmkx 211810
nshmkx
expires:202607212200;;360135
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake michigan
lmz646-212200-
wind point wi to winthrop harbor il-
110 pm cdt tue jul 21 2026
...small craft advisory in effect through wednesday afternoon...
.rest of today...northwest wind 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. gusts up to 25 knots.
chance of showers and slight chance of thunderstorms late in the
afternoon. waves 1 to 2 feet building to 2 to 4 feet late in the
afternoon.
.tonight...north wind 15 to 25 knots becoming 15 to 20 knots
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight. waves 4 to 6 feet building
to 5 to 7 feet late in the evening, then building to 6 to 8 feet
after midnight subsiding to 5 to 7 feet early in the morning.
.wednesday...north wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then veering northeast late in the
afternoon. sunny. waves 3 to 5 feet subsiding to 3 to 4 feet in
the late morning and afternoon.
.wednesday night...northeast wind 5 to 10 knots backing west
after midnight. mostly clear. waves 1 to 2 feet.
$$
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