(1/15)
Latest Nearshore Marine Forecast by KAPX
Issued 10/18/2026 10:22 PM America/New_York.
Valid through 10/19/2026 6:30 AM America/New_York.
fzus53 kapx 190222
nshapx
expires:202610191030;;340024
nearshore marine forecast
national weather service gaylord mi
1022 pm edt sun oct 18 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.
lmz346-191030-
manistee to point betsie mi-
1022 pm edt sun oct 18 2026
...small craft advisory in effect until 5 am edt monday...
.overnight...southwest wind 10 to 20 knots. mostly clear. waves
6 to 9 feet. waves occasionally around 11 feet.
.monday...southwest wind 5 to 10 knots. sunny. waves 2 to 4 feet.
.monday night...light winds. partly cloudy. waves 2 feet or less.
.tuesday...light winds. sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/15)
Latest Nearshore Marine Forecast by KGRB
Issued 10/19/2026 12:04 AM US/Central.
Valid through 10/19/2026 5:00 AM US/Central.
fzus53 kgrb 190504
nshgrb
expires:202610191000;;344700
nearshore marine forecast
national weather service green bay wi
1203 am cdt mon oct 19 2026
for waters within five nautical miles of shore on lake michigan
lmz542-543-191000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1203 am cdt mon oct 19 2026
...small craft advisory in effect until 1 am cdt early this
morning...
.rest of the night...sw wind 10 to 15 kts. waves 3 to 5 ft.
clear.
.monday...w wind 5 to 10 kts backing sw mid-day, then backing se
early in the afternoon. waves 1 to 3 ft. mostly sunny.
.monday night...e wind 5 to 10 kts. waves 2 ft or less. mostly
clear.
.tuesday...e wind around 5 kts veering se in the late morning and
afternoon. waves 2 ft or less. sunny.
$$
(3/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338571
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz845-190800-
south haven to holland mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect through monday morning...
.through early evening...southwest winds 20 to 25 knots. sunny.
waves 5 to 7 feet.
.tonight...southwest winds 10 to 20 knots. clear. waves 4 to 6 feet.
.monday...southwest winds 5 to 15 knots. sunny. waves 2 to 4 feet.
.monday night...northwest winds around 5 knots veering east in the
late evening and overnight. partly cloudy. waves 1 foot or less.
.tuesday...east winds around 5 knots backing north early in the
afternoon. sunny. waves less than 1 foot.
.tuesday night...northeast winds around 5 knots veering southeast in
the late evening and overnight. mostly clear. waves less than
1 foot.
.wednesday...south winds around 10 knots veering southwest early in
the afternoon. sunny. waves less than 1 foot.
.thursday...south winds around 5 knots veering northwest early in
the afternoon. mostly sunny. waves less than 1 foot.
.friday...east winds 5 to 15 knots. sunny. waves less than 1 foot.
$$
(4/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338570
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz846-190800-
holland to grand haven mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect through monday morning...
.through early evening...southwest winds to 30 knots. sunny. waves
6 to 8 feet.
.tonight...southwest winds to 30 knots. clear. waves 5 to 7 feet.
.monday...southwest winds 10 to 20 knots decreasing to 5 to 10 knots
early in the afternoon. sunny. waves 2 to 4 feet.
.monday night...southwest winds around 5 knots backing east in the
late evening and overnight. partly cloudy. waves around 1 foot.
.tuesday...east winds 5 to 10 knots. mostly sunny. waves less than
1 foot.
.tuesday night...northeast winds around 5 knots veering southeast in
the late evening and overnight. mostly clear. waves less than
1 foot.
.wednesday...south winds around 10 knots veering southwest early in
the afternoon. sunny. waves 1 foot or less.
.thursday...southeast winds around 5 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot.
.friday...east winds 5 to 15 knots. sunny. waves 1 foot or less.
$$
(5/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338569
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz847-190800-
grand haven to whitehall mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect through monday morning...
.through early evening...southwest winds to 30 knots. sunny. waves
6 to 9 feet.
.tonight...southwest winds to 30 knots. clear. waves 6 to 8 feet.
.monday...southwest winds 10 to 20 knots decreasing to 5 to 10 knots
early in the afternoon. sunny. waves 3 to 5 feet subsiding to 2 to
4 feet in the late morning and afternoon.
.monday night...southwest winds around 5 knots backing east in the
late evening and overnight. partly cloudy. waves around 1 foot.
.tuesday...east winds 5 to 10 knots veering south early in the
afternoon. sunny. waves less than 1 foot.
.tuesday night...east winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves 1 foot or less.
.wednesday...south winds 10 to 15 knots. sunny. waves around 1 foot.
.thursday...northeast winds around 5 knots veering east in the late
morning and early afternoon, then backing northwest early in the
afternoon. mostly sunny. waves less than 1 foot.
.friday...southeast winds 5 to 15 knots. sunny. waves 1 foot or
less.
$$
(6/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338568
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz848-190800-
whitehall to pentwater mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect through monday morning...
.through early evening...south winds to 30 knots. sunny. waves 7 to
10 feet.
.tonight...southwest winds to 30 knots. mostly clear. waves 6 to
9 feet.
.monday...southwest winds 10 to 20 knots decreasing to 5 to 10 knots
early in the afternoon. sunny. waves 3 to 5 feet subsiding to 1 to
2 feet early in the afternoon.
.monday night...south winds around 5 knots backing east in the late
evening and overnight. partly cloudy. waves around 1 foot.
.tuesday...east winds 5 to 10 knots veering south early in the
afternoon. sunny. waves less than 1 foot.
.tuesday night...southeast winds 5 to 10 knots. mostly clear. waves
1 foot or less.
.wednesday...south winds 10 to 15 knots. sunny. waves around 1 foot.
.thursday...north winds 5 to 10 knots. mostly sunny. waves 1 foot or
less.
.friday...southeast winds 10 to 15 knots. sunny. waves 1 foot or
less.
$$
(7/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338572
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz844-190800-
st joseph to south haven mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.through early evening...southwest winds 15 to 25 knots. sunny.
waves 3 to 5 feet.
.tonight...south winds 10 to 20 knots. clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.monday...southwest winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. sunny. waves 1 to 2 feet.
.monday night...north winds around 5 knots veering east in the late
evening and overnight. partly cloudy. waves 1 foot or less.
.tuesday...east winds around 5 knots backing northeast early in the
afternoon. sunny. waves less than 1 foot.
.tuesday night...northeast winds around 5 knots veering southeast in
the late evening and overnight. mostly clear. waves less than
1 foot.
.wednesday...south winds 5 to 10 knots veering southwest early in
the afternoon. sunny. waves less than 1 foot.
.thursday...south winds around 5 knots veering northwest early in
the afternoon. sunny. waves less than 1 foot.
.friday...east winds 5 to 10 knots. sunny. waves less than 1 foot.
$$
(8/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/18/2026 9:36 PM America/New_York.
Valid through 10/19/2026 4:00 AM America/New_York.
fzus53 kgrr 190136
nshgrr
expires:202610190800;;338567
nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz849-190800-
pentwater to manistee mi-
936 pm edt sun oct 18 2026
...small craft advisory in effect through monday morning...
.through early evening...south winds to 30 knots. sunny. waves 7 to
10 feet.
.tonight...southwest winds to 30 knots. clear. waves 7 to 10 feet
subsiding to 5 to 7 feet after midnight.
.monday...southwest winds 10 to 20 knots decreasing to 5 to 10 knots
early in the afternoon. sunny. waves 3 to 5 feet subsiding to 1 to
3 feet early in the afternoon.
.monday night...southwest winds around 5 knots backing east in the
late evening and overnight. partly cloudy. waves around 1 foot.
.tuesday...southeast winds 5 to 10 knots veering southwest early in
the afternoon. mostly sunny. waves less than 1 foot.
.tuesday night...south winds around 5 knots backing southeast in the
late evening and overnight. mostly clear. waves 1 foot or less.
.wednesday...south winds 10 to 15 knots veering southwest early in
the afternoon. sunny. waves around 1 foot.
.thursday...north winds 5 to 10 knots. mostly sunny. waves 1 foot or
less.
.friday...southeast winds 5 to 15 knots. sunny. waves 1 foot or
less.
$$
(9/15)
Latest Nearshore Marine Forecast by KIWX
Issued 10/18/2026 9:41 PM America/New_York.
Valid through 10/19/2026 4:15 AM America/New_York.
fzus53 kiwx 190141
nshiwx
expires:202610190815;;338635
nearshore marine forecast
national weather service northern indiana
941 pm edt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-190815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
941 pm edt sun oct 18 2026
.overnight...south winds 5 to 15 knots becoming southwest.
clear. waves 2 feet or less.
.monday...south winds 5 to 10 knots becoming light and variable.
sunny. waves 1 foot or less.
.monday night...light and variable winds. partly cloudy. waves
1 foot or less.
.tuesday...light and variable winds. sunny. waves 1 foot or less.
the water temperature at michigan city is 60 degrees.
$$
(10/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/18/2026 8:37 PM US/Central.
Valid through 10/19/2026 4:45 AM US/Central.
fzus53 klot 190137
nshlot
expires:202610190945;;338578
nearshore marine forecast
national weather service chicago/romeoville il
837 pm cdt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-190945-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
837 pm cdt sun oct 18 2026
.rest of tonight...south winds 10 to 15 kt becoming southwest and
diminishing to 5 to 10 kt late. clear. waves around 1 ft.
.monday...southwest winds 5 to 10 kt becoming northeast in the
afternoon. sunny. waves 1 ft or less.
.monday night...east winds around 5 kt. partly cloudy in the
evening then clearing. waves 1 ft or less.
.tuesday...east winds around 5 kt becoming northeast in the
afternoon. sunny. waves 1 ft or less.
$$
(11/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/18/2026 8:37 PM US/Central.
Valid through 10/19/2026 4:45 AM US/Central.
fzus53 klot 190137
nshlot
expires:202610190945;;338577
nearshore marine forecast
national weather service chicago/romeoville il
837 pm cdt sun oct 18 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>742-190945-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
837 pm cdt sun oct 18 2026
.rest of tonight...south winds 10 to 20 kt becoming southwest
and diminishing to around 10 kt. clear. waves 1 to 3 ft.
.monday...southwest winds 5 to 10 kt becoming southeast. sunny.
waves around 1 ft.
.monday night...southeast winds 5 to 10 kt becoming east. partly
cloudy. waves 1 ft or less.
.tuesday...east winds around 5 kt. partly cloudy in the morning,
then becoming sunny. waves 1 ft or less.
$$
(12/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/18/2026 11:10 PM US/Central.
Valid through 10/19/2026 5:00 AM US/Central.
fzus53 kmkx 190410
nshmkx
expires:202610191000;;343321
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz646-191000-
wind point wi to winthrop harbor il-
1110 pm cdt sun oct 18 2026
.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming southwest 10 to 15 knots early in the
morning. clear. waves 1 to 2 feet.
.monday...southwest wind 5 to 10 knots backing southeast late in
the afternoon. sunny. waves around 1 foot.
.monday night...southeast wind 5 to 10 knots becoming south late
in the evening, then backing north after midnight veering
northeast early in the morning. partly cloudy. waves around
1 foot.
.tuesday...northeast wind 5 knots becoming east late in the
morning, then veering southeast in the afternoon. sunny. waves
nearly calm.
$$
(13/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/18/2026 11:10 PM US/Central.
Valid through 10/19/2026 5:00 AM US/Central.
fzus53 kmkx 190410
nshmkx
expires:202610191000;;343319
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz644-191000-
port washington to north point light wi-
1110 pm cdt sun oct 18 2026
.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming southwest 10 to 15 knots early in the
morning. clear. waves 1 to 2 feet.
.monday...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then backing south early in the afternoon
backing southeast late in the afternoon. sunny. waves around
1 foot.
.monday night...southeast wind 5 to 10 knots easing to 5 knots
late in the evening, then backing northeast after midnight
becoming northeast 5 knots early in the morning. mostly cloudy
through around midnight then becoming partly cloudy. waves around
1 foot.
.tuesday...north wind 5 knots veering northeast late in the
morning, then veering southeast early in the afternoon rising to
5 to 10 knots late in the afternoon. sunny. waves around 1 foot.
$$
(14/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/18/2026 11:10 PM US/Central.
Valid through 10/19/2026 5:00 AM US/Central.
fzus53 kmkx 190410
nshmkx
expires:202610191000;;343318
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz643-191000-
sheboygan to port washington wi-
1110 pm cdt sun oct 18 2026
.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming southwest 10 to 15 knots early in the
morning. clear. waves 3 to 4 feet.
.monday...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then backing south early in the afternoon
backing southeast late in the afternoon. sunny. waves 1 to
2 feet.
.monday night...southeast wind 5 to 10 knots becoming east late
in the evening, then backing northeast after midnight. partly
cloudy. waves around 1 foot.
.tuesday...north wind 5 knots veering east late in the morning,
then becoming southeast early in the afternoon becoming southeast
5 to 10 knots late in the afternoon. sunny. waves around 1 foot.
$$
(15/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/18/2026 11:10 PM US/Central.
Valid through 10/19/2026 5:00 AM US/Central.
fzus53 kmkx 190410
nshmkx
expires:202610191000;;343320
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun oct 18 2026
for waters within five nautical miles of shore on lake michigan
lmz645-191000-
north point light to wind point wi-
1110 pm cdt sun oct 18 2026
.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming southwest 10 to 15 knots early in the
morning. clear. waves 1 to 2 feet.
.monday...southwest wind 5 to 10 knots backing southeast late in
the afternoon. sunny. waves around 1 foot.
.monday night...southeast wind 5 to 10 knots becoming south late
in the evening, then backing north after midnight veering
northeast early in the morning. mostly cloudy through around
midnight then clearing. waves around 1 foot.
.tuesday...northeast wind 5 knots veering east late in the
morning, then rising to 5 to 10 knots early in the afternoon
becoming east 5 to 10 knots late in the afternoon. sunny. waves
around 1 foot.
$$
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