(1/14)
Latest Nearshore Marine Forecast by KAPX
Issued 7/31/2026 3:28 AM America/New_York.
Valid through 7/31/2026 11:30 AM America/New_York.
fzus53 kapx 310728
nshapx
expires:202607311530;;377301
nearshore marine forecast
national weather service gaylord mi
328 am edt fri jul 31 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.
lmz346-311530-
manistee to point betsie mi-
328 am edt fri jul 31 2026
.today...southwest wind 5 to 10 knots. mostly cloudy. waves
2 feet or less.
.tonight...northeast wind 5 to 10 knots. chance of showers. waves
2 feet or less.
.saturday...northeast wind 5 to 10 knots. showers likely. waves
2 feet or less.
.saturday night...northeast wind 10 to 15 knots. mostly cloudy.
waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/14)
Latest Nearshore Marine Forecast by KGRB
Issued 7/31/2026 1:56 AM US/Central.
Valid through 7/31/2026 5:00 AM US/Central.
fzus53 kgrb 310656
nshgrb
expires:202607311000;;375963
nearshore marine forecast
national weather service green bay wi
156 am cdt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-311000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 am cdt fri jul 31 2026
.rest of the night...sw wind 5 to 10 kts. waves 2 ft or less.
patchy smoke.
.friday...sw wind 5 to 10 kts backing s in the late morning and
afternoon. waves 2 ft or less. patchy smoke in the morning. a
slight chance of showers in the afternoon.
.friday night...nw wind 5 to 10 kts veering ne 10 to 15 kts in
the late evening and overnight. waves 2 to 4 ft. a chance of
showers in the evening, then showers likely after midnight.
.saturday...ne wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers. patchy smoke in the afternoon.
$$
(3/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377741
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz849-310845-
pentwater to manistee mi-
341 am edt fri jul 31 2026
.rest of tonight...southwest winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.friday...southwest winds 5 to 10 knots. mostly cloudy. waves 1 to
2 feet.
.friday night...southwest winds 5 to 15 knots veering northeast in
the late evening and overnight. cloudy with a chance of rain
showers. waves 1 foot or less.
.saturday...northeast winds 10 to 20 knots. rain showers likely.
waves 1 to 3 feet.
.saturday night...northeast winds 10 to 20 knots. mostly cloudy with
a chance of rain showers. waves 1 to 3 feet.
.sunday...north winds to 30 knots. mostly sunny. waves 2 to 4 feet
building to 3 to 5 feet in the late morning and afternoon.
.monday...northeast winds 5 to 15 knots backing northwest early in
the afternoon. sunny. waves around 1 foot.
.tuesday...south winds 5 to 10 knots veering southwest 10 to
20 knots in the late morning and afternoon. sunny. waves around
1 foot.
$$
(4/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377746
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz844-310845-
st joseph to south haven mi-
341 am edt fri jul 31 2026
.rest of tonight...south winds 5 to 10 knots. partly cloudy. waves
less than 1 foot.
.friday...south winds 5 to 10 knots. partly sunny. waves less than
1 foot.
.friday night...southeast winds 10 to 15 knots backing east after
midnight. rain showers likely and a slight chance of thunderstorms.
waves around 1 foot.
.saturday...east winds 15 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves 1 to 2 feet.
.saturday night...northeast winds 15 to 20 knots. rain showers
likely and a slight chance of thunderstorms. waves 2 to 4 feet.
.sunday...north winds 15 to 25 knots. partly sunny. waves 3 to
5 feet.
.monday...northeast winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 to 3 feet.
.tuesday...east winds around 10 knots backing northwest early in the
afternoon. sunny. waves 1 foot or less.
$$
(5/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377745
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz845-310845-
south haven to holland mi-
341 am edt fri jul 31 2026
.rest of tonight...south winds 5 to 10 knots. partly cloudy. waves
1 foot or less.
.friday...southwest winds 5 to 10 knots. partly sunny. waves 1 foot
or less.
.friday night...east winds 5 to 10 knots backing northeast 10 to
15 knots in the late evening and overnight. cloudy with a chance of
rain showers and a slight chance of thunderstorms. waves 1 foot or
less.
.saturday...east winds 15 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves around 1 foot.
.saturday night...northeast winds 15 to 20 knots. rain showers
likely and a slight chance of thunderstorms. waves 1 to 2 feet.
.sunday...north winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon.
.monday...northeast winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 to 2 feet.
.tuesday...east winds around 10 knots veering south in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves 1 foot or less.
$$
(6/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377744
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz846-310845-
holland to grand haven mi-
341 am edt fri jul 31 2026
.rest of tonight...southwest winds around 10 knots. partly cloudy.
waves around 1 foot.
.friday...southwest winds 5 to 10 knots. partly sunny. waves around
1 foot.
.friday night...northeast winds 5 to 15 knots. cloudy with a chance
of rain showers and a slight chance of thunderstorms. waves around
1 foot.
.saturday...northeast winds 15 to 20 knots. rain showers and a
slight chance of thunderstorms. waves around 1 foot.
.saturday night...northeast winds 15 to 20 knots. rain showers
likely and a slight chance of thunderstorms. waves 1 to 2 feet.
.sunday...north winds 15 to 20 knots. partly sunny. waves 1 to
2 feet building to 2 to 4 feet early in the afternoon.
.monday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. waves around 1 foot.
.tuesday...east winds around 10 knots veering south in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves 1 foot or less.
$$
(7/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377743
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz847-310845-
grand haven to whitehall mi-
341 am edt fri jul 31 2026
.rest of tonight...southwest winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.friday...south winds 5 to 10 knots. mostly cloudy. waves 1 to
2 feet.
.friday night...northeast winds 5 to 15 knots. rain showers likely
and a slight chance of thunderstorms. waves 1 foot or less.
.saturday...northeast winds 15 to 20 knots. rain showers and a
slight chance of thunderstorms. waves around 1 foot.
.saturday night...northeast winds 15 to 20 knots. mostly cloudy with
a chance of rain showers. waves 1 to 2 feet.
.sunday...north winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 3 to 5 feet early in the afternoon.
.monday...northeast winds 10 to 20 knots backing northwest early in
the afternoon. sunny. waves around 1 foot.
.tuesday...southeast winds around 10 knots veering west early in the
afternoon. sunny. waves 1 foot or less.
$$
(8/14)
Latest Nearshore Marine Forecast by KGRR
Issued 7/31/2026 3:41 AM America/New_York.
Valid through 7/31/2026 4:45 AM America/New_York.
fzus53 kgrr 310741
nshgrr
expires:202607310845;;377742
nearshore marine forecast
national weather service grand rapids mi
341 am edt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz848-310845-
whitehall to pentwater mi-
341 am edt fri jul 31 2026
.rest of tonight...southwest winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.friday...south winds 5 to 10 knots. mostly cloudy. waves 1 to
2 feet.
.friday night...east winds 5 to 10 knots backing northeast 10 to
15 knots in the late evening and overnight. rain showers likely.
waves around 1 foot.
.saturday...northeast winds 15 to 20 knots. rain showers likely.
waves 1 to 3 feet.
.saturday night...northeast winds 15 to 20 knots. mostly cloudy with
a chance of rain showers. waves 2 to 4 feet.
.sunday...north winds to 30 knots. partly sunny. waves 2 to 4 feet
building to 4 to 6 feet.
.monday...northeast winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. sunny. waves around 1 foot.
.tuesday...southeast winds around 10 knots veering southwest early
in the afternoon. sunny. waves around 1 foot.
$$
(9/14)
Latest Nearshore Marine Forecast by KLOT
Issued 7/30/2026 9:00 PM US/Central.
Valid through 7/31/2026 4:15 AM US/Central.
fzus53 klot 310200
nshlot
expires:202607310915;;363796
nearshore marine forecast
national weather service chicago/romeoville il
900 pm cdt thu jul 30 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>742-310915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
900 pm cdt thu jul 30 2026
.rest of tonight...south winds around 5 kt. mostly cloudy. waves
1 ft or less.
.friday...south winds 10 to 15 kt becoming southeast in the
afternoon. chance of showers in the afternoon. waves 1 ft or less
building to 1 to 2 ft.
.friday night...southeast winds 15 to 20 kt becoming east and
increasing to 20 to 25 kt. showers and slight chance of
thunderstorms in the evening, then showers and a chance of
thunderstorms overnight. waves 1 to 3 ft building to 4 to 6 ft
occasionally to 8 ft. a small craft advisory will likely be
needed.
.saturday...east winds 20 to 25 kt becoming northeast in the
afternoon. showers and a chance of thunderstorms in the morning,
then showers likely and slight chance of thunderstorms in the
afternoon. waves 4 to 7 ft occasionally to 9 ft.
$$
(10/14)
Latest Nearshore Marine Forecast by KLOT
Issued 7/30/2026 9:00 PM US/Central.
Valid through 7/31/2026 4:15 AM US/Central.
fzus53 klot 310200
nshlot
expires:202607310915;;363797
nearshore marine forecast
national weather service chicago/romeoville il
900 pm cdt thu jul 30 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-310915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
900 pm cdt thu jul 30 2026
.rest of tonight...south winds around 5 kt. mostly cloudy early,
then becoming partly cloudy. waves 1 ft or less.
.friday...south winds 10 to 15 kt becoming southeast in the
afternoon. chance of showers in the afternoon. waves 1 ft or
less.
.friday night...southeast winds 10 to 20 kt. showers likely in
the evening, then showers and a chance of thunderstorms
overnight. waves 1 to 3 ft.
.saturday...east winds 15 to 20 kt becoming northeast and
increasing to 20 to 25 kt in the afternoon. showers and a chance
of thunderstorms. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. a small craft advisory will likely be
needed.
$$
(11/14)
Latest Nearshore Marine Forecast by KMKX
Issued 7/31/2026 1:10 AM US/Central.
Valid through 7/31/2026 4:00 AM US/Central.
fzus53 kmkx 310610
nshmkx
expires:202607310900;;372357
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz644-310900-
port washington to north point light wi-
110 am cdt fri jul 31 2026
...small craft advisory in effect from late tonight through late
sunday night...
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves around 1 foot.
.friday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
chance of showers in the afternoon. waves around 1 foot.
.friday night...east wind 10 to 15 knots rising to 15 to 20 knots
late in the evening, then backing northeast 15 to 25 knots after
midnight. showers through the night. slight chance of
thunderstorms after midnight. patchy smoke after midnight. waves
1 to 2 feet building to 4 to 6 feet.
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers in the morning, then showers likely and slight chance of
thunderstorms in the afternoon. waves 5 to 7 feet building to
6 to 8 feet in the late morning and early afternoon, then
subsiding to 5 to 7 feet late in the afternoon.
$$
(12/14)
Latest Nearshore Marine Forecast by KMKX
Issued 7/31/2026 1:10 AM US/Central.
Valid through 7/31/2026 4:00 AM US/Central.
fzus53 kmkx 310610
nshmkx
expires:202607310900;;372358
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz645-310900-
north point light to wind point wi-
110 am cdt fri jul 31 2026
...small craft advisory in effect from late tonight through late
sunday night...
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves around 1 foot.
.friday...south wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. slight chance of showers in the
afternoon. waves around 1 foot.
.friday night...southeast wind 10 to 15 knots becoming east 15 to
20 knots late in the evening, then backing northeast 15 to
25 knots after midnight. showers and slight chance of
thunderstorms. waves 1 to 3 feet building to 4 to 6 feet.
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers in the morning. slight chance of thunderstorms through
the day. showers likely in the afternoon. waves 5 to 7 feet
building to 6 to 8 feet in the late morning and afternoon.
$$
(13/14)
Latest Nearshore Marine Forecast by KMKX
Issued 7/31/2026 1:10 AM US/Central.
Valid through 7/31/2026 4:00 AM US/Central.
fzus53 kmkx 310610
nshmkx
expires:202607310900;;372359
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz646-310900-
wind point wi to winthrop harbor il-
110 am cdt fri jul 31 2026
...small craft advisory in effect from late tonight through late
sunday night...
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves around 1 foot.
.friday...south wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. slight chance of showers in the
afternoon. waves around 1 foot.
.friday night...south wind 10 to 15 knots becoming east 15 to
20 knots in the late evening and early morning, then becoming
15 to 25 knots early in the morning. showers and slight chance of
thunderstorms. waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.saturday...northeast wind 15 to 25 knots. gusts up to 30 knots.
showers in the morning. slight chance of thunderstorms through
the day. showers likely in the afternoon. waves 5 to 7 feet.
$$
(14/14)
Latest Nearshore Marine Forecast by KMKX
Issued 7/31/2026 1:10 AM US/Central.
Valid through 7/31/2026 4:00 AM US/Central.
fzus53 kmkx 310610
nshmkx
expires:202607310900;;372356
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri jul 31 2026
for waters within five nautical miles of shore on lake michigan
lmz643-310900-
sheboygan to port washington wi-
110 am cdt fri jul 31 2026
...small craft advisory in effect from late tonight through late
sunday night...
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves around 1 foot.
.friday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
slight chance of showers in the afternoon. waves around 1 foot.
.friday night...southeast wind 10 to 15 knots becoming east 15 to
20 knots late in the evening, then backing northeast after
midnight becoming 15 to 25 knots early in the morning. showers
likely through around midnight, then showers and slight chance of
thunderstorms after midnight. patchy smoke after midnight. waves
1 to 2 feet building to 3 to 5 feet after midnight.
.saturday...northeast wind 15 to 25 knots. patchy smoke in the
morning. showers in the morning, then showers likely and slight
chance of thunderstorms in the afternoon. waves 4 to 6 feet.
$$
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