(1/17)
Latest Nearshore Marine Forecast by KAPX
Issued 8/22/2026 3:08 AM America/New_York.
Valid through 8/22/2026 11:15 AM America/New_York.
fzus53 kapx 220708
nshapx
expires:202608221515;;153318
nearshore marine forecast
national weather service gaylord mi
308 am edt sat aug 22 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.
lmz346-221515-
manistee to point betsie mi-
308 am edt sat aug 22 2026
...small craft advisory in effect from this evening through
sunday evening...
.today...northwest wind 15 to 20 knots. slight chance of
thunderstorms early in the morning. chance of showers through the
day. chance of thunderstorms in the afternoon. waves 2 to 3 feet.
.tonight...north wind 10 to 20 knots. chance of showers and
slight chance of thunderstorms. waves 4 to 6 feet.
.sunday...north wind 10 to 20 knots. chance of showers. waves
4 to 6 feet.
.sunday night...north wind 10 to 20 knots. mostly clear. waves
2 to 4 feet.
winds and waves higher in the vicinity of thunderstorms.
see the open lakes forecast for days 3 through 5.
$$
(2/17)
Latest Nearshore Marine Forecast by KGRB
Issued 8/22/2026 1:23 AM US/Central.
Valid through 8/22/2026 5:00 AM US/Central.
fzus53 kgrb 220623
nshgrb
expires:202608221000;;149586
nearshore marine forecast
national weather service green bay wi
123 am cdt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-221000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
123 am cdt sat aug 22 2026
.rest of the night...nw wind 5 to 10 kts. waves 1 to 3 ft. partly
cloudy.
.saturday...nw wind 10 to 15 kts. waves 1 to 3 ft. a chance of
showers and thunderstorms in the afternoon.
.saturday night...nw wind 10 to 15 kts. waves 1 to 3 ft. mostly
clear.
.sunday...n wind 10 to 20 kts. waves 1 to 3 ft. mostly sunny in
the morning then becoming partly cloudy.
$$
(3/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149578
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz849-220800-
pentwater to manistee mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...northwest winds 5 to 15 knots. mostly cloudy with
a slight chance of showers and thunderstorms. waves 1 to 3 feet.
.saturday...northwest winds 10 to 20 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 2 to 4 feet.
.saturday night...north winds 15 to 25 knots. partly cloudy with a
slight chance of showers and thunderstorms. waves 2 to 4 feet
building to 4 to 6 feet in the late evening and overnight.
.sunday...northwest winds to 30 knots. mostly sunny. waves 4 to
6 feet.
.sunday night...north winds 15 to 25 knots. partly cloudy. waves
3 to 5 feet.
.monday...northwest winds 10 to 20 knots. sunny. waves 1 to 3 feet.
.tuesday...southwest winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet.
.wednesday...southwest winds 15 to 25 knots. partly sunny with a
chance of rain showers. waves 3 to 5 feet.
$$
(4/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149579
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz848-220800-
whitehall to pentwater mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...northwest winds 15 to 20 knots. mostly cloudy
with a chance of rain showers and a slight chance of thunderstorms.
waves 1 to 3 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 3 to 5 feet.
.saturday night...north winds 15 to 25 knots. partly cloudy with a
slight chance of rain showers. waves 4 to 6 feet.
.sunday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet.
.sunday night...north winds to 30 knots decreasing to 10 to 20 knots
in the late evening and overnight. partly cloudy. waves 4 to 6 feet
subsiding to 2 to 4 feet after midnight.
.monday...northwest winds 10 to 20 knots. sunny. waves 1 to 3 feet.
.tuesday...south winds 5 to 15 knots veering southwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 25 knots. mostly sunny with a
chance of rain showers. waves 3 to 5 feet.
$$
(5/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149580
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz847-220800-
grand haven to whitehall mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...west winds around 15 knots. partly cloudy with a
chance of showers and thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 3 to 5 feet.
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet.
.sunday...northwest winds to 30 knots. mostly sunny. waves 4 to
6 feet.
.sunday night...north winds to 30 knots decreasing to 10 to 20 knots
in the late evening and overnight. mostly clear. waves 4 to 6 feet
subsiding to 1 to 3 feet.
.monday...northwest winds 10 to 20 knots. sunny. waves 1 to 2 feet.
.tuesday...south winds 5 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves 1 to 2 feet.
.wednesday...southwest winds 20 to 25 knots. mostly sunny with a
chance of rain showers. waves 3 to 5 feet.
$$
(6/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149582
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz845-220800-
south haven to holland mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...southwest winds around 15 knots. partly cloudy
with a chance of showers and thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
chance of showers and thunderstorms. waves 4 to 6 feet.
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet.
.sunday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet.
.sunday night...north winds 20 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 2 to 4 feet after midnight.
.monday...northwest winds 10 to 15 knots. sunny. waves 1 to 2 feet.
.tuesday...southeast winds 5 to 10 knots veering southwest early in
the afternoon. mostly sunny. waves 1 foot or less.
.wednesday...southwest winds 15 to 20 knots. mostly sunny. waves
2 to 4 feet.
$$
(7/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149581
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz846-220800-
holland to grand haven mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...west winds around 15 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 3 to 5 feet.
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet.
.sunday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet.
.sunday night...northwest winds to 30 knots becoming north 10 to
20 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 1 to 3 feet.
.monday...northwest winds 10 to 20 knots. sunny. waves around
1 foot.
.tuesday...southeast winds 5 to 10 knots veering southwest in the
late morning and afternoon. mostly sunny. waves around 1 foot.
.wednesday...southwest winds 15 to 25 knots. mostly sunny with a
chance of rain showers. waves 3 to 5 feet.
$$
(8/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/22/2026 2:23 AM America/New_York.
Valid through 8/22/2026 4:00 AM America/New_York.
fzus53 kgrr 220623
nshgrr
expires:202608220800;;149583
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz844-220800-
st joseph to south haven mi-
223 am edt sat aug 22 2026
...small craft advisory in effect from 8 am edt this morning through
sunday evening...
.rest of tonight...southwest winds 10 to 15 knots. mostly cloudy
with a chance of showers and thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 4 to 6 feet.
.saturday night...north winds 15 to 20 knots. mostly clear. waves
3 to 5 feet.
.sunday...northwest winds 20 to 25 knots. sunny with a slight chance
of rain showers. waves 4 to 6 feet.
.sunday night...north winds 15 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 2 to 4 feet after midnight.
.monday...northwest winds around 10 knots. sunny. waves 1 to 3 feet.
.tuesday...south winds around 5 knots veering southwest early in the
afternoon. mostly sunny. waves less than 1 foot.
.wednesday...southwest winds 10 to 20 knots. mostly sunny. waves
1 to 2 feet.
$$
(9/17)
Latest Nearshore Marine Forecast by KIWX
Issued 8/21/2026 10:40 PM America/New_York.
Valid through 8/22/2026 4:15 AM America/New_York.
fzus53 kiwx 220240
nshiwx
expires:202608220815;;141915
nearshore marine forecast
national weather service northern indiana
1040 pm edt fri aug 21 2026
for waters within five nautical miles of shore on lake michigan
lmz043-220815-
new buffalo mi to st joseph mi-
1040 pm edt fri aug 21 2026
...small craft advisory in effect from saturday morning through
saturday evening...
.overnight...south winds 5 to 10 knots becoming southwest.
a chance of showers and thunderstorms. waves 1 foot or less.
.saturday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. gusts up to 25 knots. a chance of showers with a slight
chance of thunderstorms in the morning. waves 1 to 2 feet
building to 3 to 5 feet.
.saturday night...north winds 10 to 15 knots. a slight chance of
showers overnight. waves 2 to 4 feet.
.sunday...north winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. a slight chance of showers in the
morning. waves 3 to 6 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 62 degrees and at michigan
city is 63 degrees.
$$
(10/17)
Latest Nearshore Marine Forecast by KIWX
Issued 8/21/2026 10:40 PM America/New_York.
Valid through 8/22/2026 4:15 AM America/New_York.
fzus53 kiwx 220240
nshiwx
expires:202608220815;;141914
nearshore marine forecast
national weather service northern indiana
1040 pm edt fri aug 21 2026
for waters within five nautical miles of shore on lake michigan
lmz046-220815-
michigan city in to new buffalo mi-
1040 pm edt fri aug 21 2026
...small craft advisory in effect from saturday morning through
saturday evening...
.overnight...south winds 5 to 10 knots becoming southwest.
a chance of showers and thunderstorms. waves 1 foot or less.
.saturday...west winds 10 to 15 knots becoming northwest. gusts
up to 25 knots. a slight chance of showers and thunderstorms.
waves 1 to 2 feet building to 3 to 5 feet.
.saturday night...north winds 10 to 15 knots. a slight chance of
showers overnight. waves 2 to 4 feet.
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. gusts up to 25 knots. a slight chance of showers in the
morning. waves 3 to 5 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 62 degrees and at michigan
city is 63 degrees.
$$
(11/17)
Latest Nearshore Marine Forecast by KLOT
Issued 8/21/2026 9:47 PM US/Central.
Valid through 8/22/2026 4:30 AM US/Central.
fzus53 klot 220247
nshlot
expires:202608220930;;142083
nearshore marine forecast
national weather service chicago/romeoville il
947 pm cdt fri aug 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.
lmz745-220930-
burns harbor to michigan city in-
947 pm cdt fri aug 21 2026
.rest of tonight...southwest winds 10 kt. chance of showers.
waves 1 to 2 ft.
.saturday...northwest winds 15 to 20 kt. slight chance of
thunderstorms with isolated showers in the afternoon. waves 3 to
5 ft. a small craft advisory will likely be needed.
.saturday night...northwest winds 15 to 20 kt becoming north.
slight chance of showers overnight. waves 3 to 5 ft.
.sunday...northwest winds 15 to 20 kt becoming north. mostly
sunny. waves 3 to 6 ft occasionally to 8 ft. a small craft
advisory will likely be needed.
$$
(12/17)
Latest Nearshore Marine Forecast by KLOT
Issued 8/21/2026 9:47 PM US/Central.
Valid through 8/22/2026 4:30 AM US/Central.
fzus53 klot 220247
nshlot
expires:202608220930;;142082
nearshore marine forecast
national weather service chicago/romeoville il
947 pm cdt fri aug 21 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743-744-220930-
calumet harbor il to gary in-gary to burns harbor in-
947 pm cdt fri aug 21 2026
.rest of tonight...southwest winds around 10 kt. chance of
showers before midnight. waves 1 to 2 ft.
.saturday...northwest winds 10 to 20 kt becoming north in the
afternoon. slight chance of thunderstorms with isolated showers
in the afternoon. waves 2 to 4 ft.
.saturday night...northwest winds 10 to 15 kt becoming north.
mostly clear in the evening, then becoming partly cloudy. waves
2 to 4 ft.
.sunday...northwest winds 10 to 20 kt becoming north in the
afternoon. mostly sunny. waves 3 to 5 ft.
$$
(13/17)
Latest Nearshore Marine Forecast by KLOT
Issued 8/21/2026 9:47 PM US/Central.
Valid through 8/22/2026 4:30 AM US/Central.
fzus53 klot 220247
nshlot
expires:202608220930;;142081
nearshore marine forecast
national weather service chicago/romeoville il
947 pm cdt fri aug 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>742-220930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
947 pm cdt fri aug 21 2026
.rest of tonight...southwest winds around 10 kt. chance of
showers before midnight. waves 1 to 2 ft.
.saturday...northwest winds 10 to 20 kt becoming north. scattered
showers and slight chance of thunderstorms in the afternoon.
waves 2 to 4 ft.
.saturday night...northwest winds 10 to 15 kt becoming north.
mostly clear. waves 2 to 4 ft.
.sunday...northwest winds 10 to 15 kt becoming north. mostly
sunny. waves 2 to 4 ft.
$$
(14/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/22/2026 1:10 AM US/Central.
Valid through 8/22/2026 4:00 AM US/Central.
fzus53 kmkx 220610
nshmkx
expires:202608220900;;148983
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz646-220900-
wind point wi to winthrop harbor il-
110 am cdt sat aug 22 2026
.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.saturday...northwest wind 10 to 20 knots becoming 10 to 15 knots
late in the morning, then veering north early in the afternoon
becoming north 10 to 15 knots late in the afternoon. slight
chance of showers and thunderstorms in the afternoon. waves 1 to
2 feet.
.saturday night...northwest wind 10 to 15 knots veering north in
the late evening and early morning, then backing northwest early
in the morning. slight chance of showers and thunderstorms
through around midnight. waves 1 to 2 feet building to 2 to
4 feet after midnight.
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny. waves 2 to 4 feet subsiding to 1 to 3 feet late
in the afternoon.
$$
(15/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/22/2026 1:10 AM US/Central.
Valid through 8/22/2026 4:00 AM US/Central.
fzus53 kmkx 220610
nshmkx
expires:202608220900;;148980
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz643-220900-
sheboygan to port washington wi-
110 am cdt sat aug 22 2026
.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.saturday...northwest wind 10 to 15 knots veering north late in
the afternoon. slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet.
.saturday night...north wind 10 to 20 knots becoming 10 to
15 knots late in the evening, then backing northwest after
midnight becoming northwest 10 to 15 knots early in the morning.
slight chance of showers and thunderstorms through around
midnight. waves 1 to 2 feet.
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny. waves 1 to 2 feet.
$$
(16/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/22/2026 1:10 AM US/Central.
Valid through 8/22/2026 4:00 AM US/Central.
fzus53 kmkx 220610
nshmkx
expires:202608220900;;148982
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz645-220900-
north point light to wind point wi-
110 am cdt sat aug 22 2026
.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.saturday...northwest wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then veering north early in the
afternoon becoming north 10 to 15 knots late in the afternoon.
slight chance of showers and thunderstorms in the afternoon.
waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
.saturday night...north wind 10 to 15 knots backing northwest
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight. waves 1 to 2 feet building
to 2 to 4 feet after midnight.
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny. waves 2 to 4 feet subsiding to 1 to 3 feet late
in the afternoon.
$$
(17/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/22/2026 1:10 AM US/Central.
Valid through 8/22/2026 4:00 AM US/Central.
fzus53 kmkx 220610
nshmkx
expires:202608220900;;148981
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat aug 22 2026
for waters within five nautical miles of shore on lake michigan
lmz644-220900-
port washington to north point light wi-
110 am cdt sat aug 22 2026
.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet.
.saturday...northwest wind 10 to 15 knots. slight chance of
showers and thunderstorms in the afternoon. waves 1 to 2 feet.
.saturday night...north wind 10 to 15 knots backing northwest
early in the morning. chance of showers and slight chance of
thunderstorms through around midnight. waves 1 to 2 feet.
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny. waves 1 to 2 feet.
$$
|