(1/15)
Latest Nearshore Marine Forecast by KAPX
Issued 8/13/2026 10:46 PM America/New_York.
Valid through 8/14/2026 7:00 AM America/New_York.
fzus53 kapx 140246
nshapx
expires:202608141100;;149667
nearshore marine forecast
national weather service gaylord mi
1046 pm edt thu aug 13 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.
lmz346-141100-
manistee to point betsie mi-
1046 pm edt thu aug 13 2026
.overnight...northeast wind 5 to 10 knots. mostly cloudy early in
the evening then becoming partly cloudy. waves 2 feet or less.
.friday...northeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less.
.friday night...east wind 5 to 10 knots. partly cloudy. waves
2 feet or less.
.saturday...southeast wind 5 to 10 knots. chance of showers.
waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/15)
Latest Nearshore Marine Forecast by KGRB
Issued 8/13/2026 9:59 PM US/Central.
Valid through 8/14/2026 5:00 AM US/Central.
fzus53 kgrb 140259
nshgrb
expires:202608141000;;149966
nearshore marine forecast
national weather service green bay wi
959 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-141000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
959 pm cdt thu aug 13 2026
.rest of tonight...ne wind 10 to 15 kts. waves 2 ft or less.
patchy dense fog.
.friday...ne wind 10 to 15 kts. waves 2 to 4 ft. mostly sunny in
the morning then becoming partly cloudy.
.friday night...ne wind 10 to 15 kts veering e after midnight.
waves 2 to 4 ft. a chance of showers after midnight.
.saturday...se wind 10 to 20 kts. waves 4 to 7 ft. a chance of
showers in the morning, then showers likely in the afternoon. a
small craft advisory may be needed.
$$
(3/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147816
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz846-140800-
holland to grand haven mi-
946 pm edt thu aug 13 2026
.through early evening...northwest winds 5 to 10 knots. cloudy.
waves less than 1 foot.
.tonight...northwest winds 5 to 10 knots veering northeast in the
late evening and overnight. mostly cloudy with a slight chance of
rain showers. waves less than 1 foot.
.friday...east winds 10 to 15 knots backing north early in the
afternoon. partly sunny. waves 1 foot or less.
.friday night...north winds around 10 knots veering east in the late
evening and overnight. partly cloudy. waves around 1 foot.
.saturday...southeast winds 15 to 20 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 2 feet.
.saturday night...southeast winds around 15 knots veering west after
midnight. rain showers likely and a chance of thunderstorms. waves
1 to 3 feet.
.sunday...northwest winds 10 to 15 knots. mostly cloudy. waves 1 to
3 feet.
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet.
.tuesday...southwest winds 5 to 10 knots. mostly sunny. waves 1 foot
or less.
$$
(4/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147815
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz847-140800-
grand haven to whitehall mi-
946 pm edt thu aug 13 2026
.through early evening...west winds 5 to 10 knots. cloudy. waves
less than 1 foot.
.tonight...northwest winds 5 to 15 knots veering northeast in the
late evening and overnight. mostly cloudy. waves less than 1 foot.
.friday...east winds 10 to 15 knots backing northwest early in the
afternoon. partly sunny. waves 1 foot or less.
.friday night...north winds around 10 knots veering east 10 to
20 knots in the late evening and overnight. partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot.
.saturday...southeast winds 15 to 20 knots. rain showers likely and
a slight chance of thunderstorms. waves 1 to 2 feet.
.saturday night...southeast winds 15 to 20 knots veering west after
midnight. rain showers likely. waves 1 to 3 feet.
.sunday...northwest winds around 15 knots. mostly cloudy. waves 1 to
3 feet.
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet.
.tuesday...southwest winds 10 to 15 knots. mostly sunny. waves
around 1 foot.
$$
(5/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147814
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz848-140800-
whitehall to pentwater mi-
946 pm edt thu aug 13 2026
.through early evening...northwest winds 5 to 10 knots. cloudy.
waves less than 1 foot.
.tonight...northwest winds 5 to 10 knots veering northeast in the
late evening and overnight. mostly cloudy in the evening then
becoming partly cloudy. waves less than 1 foot.
.friday...northeast winds 10 to 20 knots backing north early in the
afternoon. mostly sunny. waves 1 to 3 feet.
.friday night...north winds 10 to 20 knots veering east in the late
evening and overnight. partly cloudy with a chance of rain showers
and a slight chance of thunderstorms. waves 2 to 4 feet.
.saturday...southeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet.
.saturday night...southeast winds 10 to 20 knots veering southwest
after midnight. rain showers likely. waves 1 to 3 feet.
.sunday...northwest winds around 15 knots. mostly cloudy. waves 1 to
3 feet.
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. sunny. waves 1 to 2 feet.
.tuesday...southwest winds 5 to 15 knots increasing to 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet.
$$
(6/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147813
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz849-140800-
pentwater to manistee mi-
946 pm edt thu aug 13 2026
.through early evening...northwest winds 5 to 10 knots. cloudy.
waves less than 1 foot.
.tonight...north winds around 5 knots veering northeast in the late
evening and overnight. partly cloudy. waves less than 1 foot.
.friday...northeast winds 10 to 20 knots backing north early in the
afternoon. mostly sunny. waves 2 to 4 feet.
.friday night...north winds 10 to 20 knots veering southeast after
midnight. partly cloudy with a slight chance of rain showers. waves
2 to 4 feet.
.saturday...southeast winds 10 to 20 knots. rain showers likely.
waves 1 to 2 feet.
.saturday night...southeast winds 10 to 15 knots veering southwest
after midnight. rain showers likely. waves 1 to 2 feet.
.sunday...northwest winds 10 to 15 knots. mostly cloudy. waves 1 to
3 feet.
.monday...north winds 10 to 15 knots. sunny. waves around 1 foot.
.tuesday...southwest winds 5 to 15 knots increasing to 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet.
$$
(7/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147818
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz844-140800-
st joseph to south haven mi-
946 pm edt thu aug 13 2026
.through early evening...northwest winds 5 to 10 knots. cloudy.
waves less than 1 foot.
.tonight...north winds 5 to 10 knots veering east in the late
evening and overnight. cloudy with a chance of rain showers. waves
less than 1 foot.
.friday...east winds around 10 knots backing northeast early in the
afternoon. mostly cloudy with a chance of rain showers. waves less
than 1 foot.
.friday night...northeast winds 5 to 10 knots veering east 10 to
15 knots in the late evening and overnight. partly cloudy with a
chance of showers and thunderstorms. waves around 1 foot.
.saturday...southeast winds 10 to 15 knots. rain showers likely and
a chance of thunderstorms. waves around 1 foot.
.saturday night...south winds 10 to 15 knots veering southwest in
the late evening and overnight. rain showers likely and a chance of
thunderstorms. waves around 1 foot.
.sunday...northwest winds 10 to 15 knots. mostly cloudy. waves 1 to
2 feet.
.monday...north winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet.
.tuesday...southwest winds 5 to 10 knots. mostly sunny. waves 1 foot
or less.
$$
(8/15)
Latest Nearshore Marine Forecast by KGRR
Issued 8/13/2026 9:46 PM America/New_York.
Valid through 8/14/2026 4:00 AM America/New_York.
fzus53 kgrr 140146
nshgrr
expires:202608140800;;147817
nearshore marine forecast
national weather service grand rapids mi
946 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz845-140800-
south haven to holland mi-
946 pm edt thu aug 13 2026
.through early evening...northwest winds around 5 knots. cloudy.
waves less than 1 foot.
.tonight...north winds 5 to 10 knots veering northeast in the late
evening and overnight. mostly cloudy with a chance of rain showers.
waves less than 1 foot.
.friday...east winds around 10 knots backing northeast early in the
afternoon. mostly cloudy. waves less than 1 foot.
.friday night...north winds around 10 knots veering east in the late
evening and overnight. partly cloudy with a slight chance of showers
and thunderstorms. waves around 1 foot.
.saturday...southeast winds around 15 knots. rain showers likely and
a chance of thunderstorms. waves 1 foot or less.
.saturday night...southeast winds 10 to 15 knots veering west after
midnight. rain showers likely and a chance of thunderstorms. waves
1 to 2 feet.
.sunday...northwest winds 10 to 15 knots. mostly cloudy. waves 1 to
3 feet.
.monday...north winds around 10 knots backing northwest early in the
afternoon. mostly sunny. waves around 1 foot.
.tuesday...southwest winds 5 to 10 knots. mostly sunny. waves 1 foot
or less.
$$
(9/15)
Latest Nearshore Marine Forecast by KIWX
Issued 8/13/2026 10:18 PM America/New_York.
Valid through 8/14/2026 4:15 AM America/New_York.
fzus53 kiwx 140218
nshiwx
expires:202608140815;;149057
nearshore marine forecast
national weather service northern indiana
1018 pm edt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-140815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1018 pm edt thu aug 13 2026
.rest of tonight...east winds 5 to 10 knots. a chance of showers
with a slight chance of thunderstorms. a chance of showers and
thunderstorms late. waves 1 foot or less.
.friday...east winds 5 to 10 knots becoming northeast. a chance
of thunderstorms with a slight chance of showers in the morning,
then a slight chance of showers and thunderstorms in the
afternoon. waves 1 foot or less.
.friday night...northeast winds 5 to 10 knots becoming southeast.
a chance of showers and thunderstorms in the evening, then a
chance of showers with a slight chance of thunderstorms
overnight. waves 1 foot or less.
.saturday...southeast winds around 10 knots becoming south.
showers likely with a chance of thunderstorms. waves 1 foot or
less.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 74 degrees and at michigan
city is 66 degrees.
$$
(10/15)
Latest Nearshore Marine Forecast by KLOT
Issued 8/13/2026 9:45 PM US/Central.
Valid through 8/14/2026 4:15 AM US/Central.
fzus53 klot 140245
nshlot
expires:202608140915;;149648
nearshore marine forecast
national weather service chicago/romeoville il
945 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz740>742-140915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
945 pm cdt thu aug 13 2026
.rest of tonight...southeast winds 10 to 15 kt becoming east.
chance of showers and slight chance of thunderstorms. waves 1 to
2 ft.
.friday...east winds 10 to 15 kt becoming northeast late. chance
of showers and slight chance of thunderstorms in the morning.
waves 1 to 3 ft.
.friday night...northeast winds 10 to 15 kt becoming east
overnight. chance of showers and thunderstorms. waves 1 to 3 ft
building to 2 to 4 ft.
.saturday...southeast winds 10 to 20 kt diminishing to around
15 kt. showers and a chance of thunderstorms. waves 2 to 4 ft.
$$
(11/15)
Latest Nearshore Marine Forecast by KLOT
Issued 8/13/2026 9:45 PM US/Central.
Valid through 8/14/2026 4:15 AM US/Central.
fzus53 klot 140245
nshlot
expires:202608140915;;149649
nearshore marine forecast
national weather service chicago/romeoville il
945 pm cdt thu aug 13 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>745-140915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
945 pm cdt thu aug 13 2026
.rest of tonight...east winds 10 to 15 kt. showers likely and a
chance of thunderstorms. waves 1 to 2 ft.
.friday...east winds 10 to 15 kt becoming northeast in the
afternoon. chance of showers and slight chance of thunderstorms
in the morning, then slight chance of showers in the afternoon.
waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt becoming southeast
overnight. slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms overnight.
waves 1 to 2 ft.
.saturday...southeast winds 10 to 15 kt becoming south. showers
likely and a chance of thunderstorms in the morning, then chance
of showers and thunderstorms in the afternoon. waves 1 to 2 ft.
$$
(12/15)
Latest Nearshore Marine Forecast by KMKX
Issued 8/13/2026 9:10 PM US/Central.
Valid through 8/14/2026 5:00 AM US/Central.
fzus53 kmkx 140210
nshmkx
expires:202608141000;;148853
nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz643-141000-
sheboygan to port washington wi-
910 pm cdt thu aug 13 2026
.rest of tonight...northeast wind 5 to 10 knots rising to 10 to
15 knots early in the morning. mostly cloudy. waves around
1 foot.
.friday...northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the afternoon,
then rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 1 to 2 feet building to 2 to 4 feet in the late
morning and afternoon.
.friday night...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then veering east after midnight
veering southeast 10 to 20 knots early in the morning. chance of
showers and slight chance of thunderstorms after midnight. waves
3 to 4 feet.
.saturday...southeast wind 15 to 20 knots becoming 15 to 25 knots
in the late morning and early afternoon, then becoming 15 to
20 knots late in the afternoon. showers and slight chance of
thunderstorms. waves 4 to 6 feet. a small craft advisory may be
needed.
$$
(13/15)
Latest Nearshore Marine Forecast by KMKX
Issued 8/13/2026 9:10 PM US/Central.
Valid through 8/14/2026 5:00 AM US/Central.
fzus53 kmkx 140210
nshmkx
expires:202608141000;;148854
nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz644-141000-
port washington to north point light wi-
910 pm cdt thu aug 13 2026
.rest of tonight...northeast wind 5 to 10 knots rising to 10 to
15 knots early in the morning. mostly cloudy. waves around
1 foot.
.friday...northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots late in the afternoon.
mostly cloudy. waves 1 to 2 feet building to 2 to 4 feet in the
late morning and early afternoon, then subsiding to 1 to 3 feet
late in the afternoon.
.friday night...northeast wind 10 to 15 knots with gusts to
around 20 knots veering southeast early in the morning. slight
chance of showers through around midnight, then chance of showers
and slight chance of thunderstorms after midnight. waves 3 to
4 feet.
.saturday...southeast wind 15 to 20 knots becoming 10 to 20 knots
late in the afternoon. gusts up to 25 knots. showers and slight
chance of thunderstorms in the morning, then showers likely and a
chance of thunderstorms in the afternoon. waves 4 to 6 feet.
$$
(14/15)
Latest Nearshore Marine Forecast by KMKX
Issued 8/13/2026 9:10 PM US/Central.
Valid through 8/14/2026 5:00 AM US/Central.
fzus53 kmkx 140210
nshmkx
expires:202608141000;;148856
nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz646-141000-
wind point wi to winthrop harbor il-
910 pm cdt thu aug 13 2026
.rest of tonight...northeast wind 10 to 15 knots veering east
early in the morning. slight chance of thunderstorms just before
midnight. slight chance of showers through the night. waves 1 to
2 feet.
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. slight chance of showers in the morning. waves 1 to
3 feet building to 2 to 4 feet in the late morning and early
afternoon, then subsiding to 1 to 3 feet late in the afternoon.
.friday night...northeast wind 10 to 15 knots veering southeast
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight, then showers likely and a
chance of thunderstorms after midnight. waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.saturday...southeast wind 15 to 20 knots easing to 10 to
15 knots late in the afternoon. showers and a chance of
thunderstorms. waves 3 to 4 feet.
$$
(15/15)
Latest Nearshore Marine Forecast by KMKX
Issued 8/13/2026 9:10 PM US/Central.
Valid through 8/14/2026 5:00 AM US/Central.
fzus53 kmkx 140210
nshmkx
expires:202608141000;;148855
nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu aug 13 2026
for waters within five nautical miles of shore on lake michigan
lmz645-141000-
north point light to wind point wi-
910 pm cdt thu aug 13 2026
.rest of tonight...northeast wind 5 to 10 knots becoming east
10 to 15 knots early in the morning. slight chance of showers
after midnight. waves 1 to 2 feet.
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. mostly cloudy. waves 1 to 3 feet building to 2 to
4 feet in the late morning and early afternoon, then subsiding to
1 to 3 feet late in the afternoon.
.friday night...northeast wind 10 to 15 knots veering southeast
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight, then showers likely and a
chance of thunderstorms after midnight. waves 3 to 4 feet.
.saturday...southeast wind 15 to 20 knots easing to 10 to
15 knots late in the afternoon. showers in the morning. chance of
thunderstorms through the day. showers likely in the afternoon.
waves 3 to 4 feet.
$$
|