(1/16)
Latest Nearshore Marine Forecast by KAPX
Issued 7/18/2026 3:00 AM America/New_York.
Valid through 7/18/2026 11:00 AM America/New_York.
fzus53 kapx 180700
nshapx
expires:202607181500;;163068
nearshore marine forecast
national weather service gaylord mi
300 am edt sat jul 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.
lmz346-181500-
manistee to point betsie mi-
300 am edt sat jul 18 2026
.today...northwest wind 10 to 20 knots. chance of showers and
slight chance of thunderstorms early in the morning. patchy smoke
in the morning. waves 2 to 4 feet.
.tonight...north wind 10 to 15 knots. smoke. waves 2 to 4 feet.
.sunday...northwest wind 5 to 10 knots. smoke. waves 2 feet or
less.
.sunday night...south wind 5 to 10 knots. partly cloudy. waves
2 feet or less.
winds and waves higher in the vicinity of thunderstorms.
see the open lakes forecast for days 3 through 5.
$$
(2/16)
Latest Nearshore Marine Forecast by KGRB
Issued 7/18/2026 1:24 AM US/Central.
Valid through 7/18/2026 5:00 AM US/Central.
fzus53 kgrb 180624
nshgrb
expires:202607181000;;160043
nearshore marine forecast
national weather service green bay wi
124 am cdt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz542-543-181000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt sat jul 18 2026
.rest of the night...sw wind 10 to 20 kts. waves 1 to 3 ft. a
slight chance of showers and thunderstorms.
.saturday...nw wind 10 to 15 kts veering ne 15 to 25 kts early in
the afternoon. waves 2 ft or less building to 2 to 4 ft in the
afternoon. patchy smoke in the morning, then areas of smoke in
the afternoon. a small craft advisory may be needed.
.saturday night...ne wind 10 to 20 kts backing n 5 to 10 kts
after midnight. waves 2 to 4 ft subsiding to 1 to 3 ft after
midnight. areas of smoke.
.sunday...ne wind 5 to 10 kts veering se in the late morning and
afternoon. waves 2 ft or less. areas of smoke in the morning,
then patchy smoke in the afternoon.
$$
(3/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159965
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz844-180800-
st joseph to south haven mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds 15 to 20 knots. partly cloudy.
waves 2 to 3 feet.
.saturday...west winds 15 to 20 knots veering north early in the
afternoon. mostly sunny with a chance of rain showers and a slight
chance of thunderstorms. waves 2 to 4 feet.
.saturday night...north winds 15 to 25 knots veering northeast 10 to
20 knots after midnight. mostly clear. areas of smoke. waves 4 to
6 feet.
.sunday...northeast winds 5 to 10 knots backing north 10 to 15 knots
early in the afternoon. sunny. patchy smoke. waves 2 to 3 feet.
.sunday night...north winds around 10 knots veering southeast after
midnight. mostly clear. patchy smoke. waves 1 foot or less.
.monday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet.
.tuesday...southwest winds 20 to 25 knots veering northwest in the
late morning and afternoon. mostly sunny. waves 4 to 6 feet.
.wednesday...northwest winds to 30 knots. mostly sunny. waves 7 to
10 feet.
$$
(4/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159963
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz846-180800-
holland to grand haven mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds 20 to 25 knots. partly cloudy.
waves 2 to 4 feet.
.saturday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a chance of rain showers and a slight
chance of thunderstorms. patchy smoke. waves 3 to 5 feet.
.saturday night...north winds 15 to 25 knots veering northeast 10 to
15 knots after midnight. mostly clear. areas of smoke. waves 4 to
6 feet subsiding to 1 to 3 feet after midnight.
.sunday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. areas of smoke. waves around 1 foot.
.sunday night...northwest winds 5 to 15 knots veering northeast in
the late evening and early morning, then veering south after
midnight. mostly clear. patchy smoke. waves around 1 foot.
.monday...south winds 10 to 20 knots veering southwest 20 to
25 knots early in the afternoon. partly sunny. waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon.
.tuesday...west winds around 25 knots veering northwest early in the
afternoon. mostly sunny. waves 5 to 7 feet.
.wednesday...northwest winds to 30 knots. mostly sunny. waves 7 to
10 feet.
$$
(5/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159962
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz847-180800-
grand haven to whitehall mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds around 25 knots. partly cloudy.
waves 2 to 4 feet.
.saturday...west winds around 25 knots veering northwest in the late
morning and afternoon. mostly sunny with a chance of rain showers
and a slight chance of thunderstorms. patchy smoke. waves 3 to
5 feet.
.saturday night...north winds to 30 knots becoming northeast 10 to
15 knots after midnight. mostly clear. areas of smoke. waves 3 to
5 feet subsiding to 1 to 2 feet after midnight.
.sunday...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. areas of smoke. waves around 1 foot.
.sunday night...northwest winds 5 to 15 knots veering northeast in
the late evening and early morning, then veering south after
midnight. mostly clear. patchy smoke. waves around 1 foot.
.monday...south winds to 30 knots. partly sunny. waves 2 to 3 feet
building to 5 to 7 feet.
.tuesday...west winds to 30 knots veering northwest in the late
morning and afternoon. mostly sunny. waves 5 to 7 feet.
.wednesday...north gales to 35 knots backing northwest to 30 knots
in the late morning and early afternoon, then increasing to gales to
35 knots early in the afternoon. mostly sunny. waves 7 to 10 feet.
$$
(6/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159964
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz845-180800-
south haven to holland mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds around 20 knots. partly cloudy.
waves 2 to 4 feet.
.saturday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a chance of rain showers and a slight
chance of thunderstorms. waves 3 to 5 feet.
.saturday night...north winds 15 to 25 knots veering northeast 10 to
15 knots after midnight. mostly clear. areas of smoke. waves 4 to
6 feet subsiding to 2 to 4 feet after midnight.
.sunday...northeast winds 5 to 15 knots backing northwest early in
the afternoon. sunny. patchy smoke. waves 1 to 2 feet.
.sunday night...north winds 10 to 15 knots veering northeast 5 to
10 knots in the late evening and early morning, then veering
southeast after midnight. mostly clear. patchy smoke. waves around
1 foot.
.monday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet.
.tuesday...west winds around 25 knots veering northwest in the late
morning and afternoon. mostly sunny. waves 4 to 6 feet.
.wednesday...northwest winds to 30 knots. mostly sunny. waves 7 to
10 feet.
$$
(7/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159960
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz849-180800-
pentwater to manistee mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds 15 to 25 knots. partly cloudy
with a slight chance of showers and thunderstorms. waves 2 to
4 feet.
.saturday...west winds 15 to 25 knots veering north in the late
morning and afternoon. mostly sunny with a slight chance of showers
and thunderstorms. patchy smoke. waves 3 to 5 feet.
.saturday night...north winds to 30 knots becoming northeast 5 to
15 knots after midnight. mostly clear. areas of smoke. waves 4 to
6 feet subsiding to 2 to 3 feet after midnight.
.sunday...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. mostly sunny. smoke. waves 1 to
2 feet.
.sunday night...northwest winds 5 to 15 knots backing south in the
late evening and overnight. mostly clear. waves 1 to 2 feet.
.monday...south winds to 30 knots. partly sunny. waves 2 to 4 feet
building to 6 to 8 feet.
.tuesday...northwest winds to 30 knots. mostly sunny. waves 5 to
7 feet.
.wednesday...north gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly sunny. waves 7 to 10 feet.
$$
(8/16)
Latest Nearshore Marine Forecast by KGRR
Issued 7/18/2026 2:23 AM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kgrr 180623
nshgrr
expires:202607180800;;159961
nearshore marine forecast
national weather service grand rapids mi
223 am edt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz848-180800-
whitehall to pentwater mi-
223 am edt sat jul 18 2026
...small craft advisory in effect through late tonight...
.rest of tonight...southwest winds 20 to 25 knots. partly cloudy.
waves 2 to 4 feet.
.saturday...west winds 20 to 25 knots veering northwest to 30 knots
in the late morning and afternoon. mostly sunny with a chance of
rain showers and a slight chance of thunderstorms. patchy smoke.
waves 3 to 5 feet.
.saturday night...north winds to 30 knots becoming northeast 10 to
15 knots after midnight. mostly clear. patchy smoke. waves 4 to
6 feet subsiding to 2 to 3 feet after midnight.
.sunday...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny, smoke. waves 1 to 2 feet.
.sunday night...northwest winds 5 to 15 knots veering southeast in
the late evening and early morning, then veering south after
midnight. partly cloudy. waves around 1 foot.
.monday...south winds 10 to 20 knots increasing to 30 knots in the
late morning and afternoon. partly sunny. waves 3 to 5 feet building
to 6 to 8 feet early in the afternoon.
.tuesday...northwest winds to 30 knots becoming gales to 35 knots
early in the afternoon. mostly sunny. waves 5 to 7 feet.
.wednesday...northwest gales to 35 knots. mostly sunny. waves 7 to
11 feet.
$$
(9/16)
Latest Nearshore Marine Forecast by KIWX
Issued 7/17/2026 10:12 PM America/New_York.
Valid through 7/18/2026 4:15 AM America/New_York.
fzus53 kiwx 180212
nshiwx
expires:202607180815;;151218
nearshore marine forecast
national weather service northern indiana
1012 pm edt fri jul 17 2026
for waters within five nautical miles of shore on lake michigan
lmz046-180815-
michigan city in to new buffalo mi-
1012 pm edt fri jul 17 2026
...small craft advisory in effect from saturday afternoon through
late saturday night...
.overnight...south winds 5 to 15 knots becoming southwest.
partly cloudy. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots becoming north at 15
to 20 knots in the afternoon. gusts up to 25 knots in the
afternoon. showers likely with a chance of thunderstorms in the
afternoon. waves 1 to 2 feet building to 2 to 3 feet.
.saturday night...north winds 15 to 25 knots becoming northeast
10 to 15 knots. a slight chance of showers and thunderstorms in
the evening. patchy smoke overnight. waves 3 to 6 feet.
.sunday...east winds 10 knots or less becoming north. patchy
smoke in the morning. waves 2 to 4 feet subsiding to 1 to 2 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 62 degrees and at michigan
city is 54 degrees.
$$
(10/16)
Latest Nearshore Marine Forecast by KIWX
Issued 7/17/2026 10:12 PM America/New_York.
Valid through 7/18/2026 4:15 AM America/New_York.
fzus53 kiwx 180212
nshiwx
expires:202607180815;;151217
nearshore marine forecast
national weather service northern indiana
1012 pm edt fri jul 17 2026
for waters within five nautical miles of shore on lake michigan
lmz043-180815-
new buffalo mi to st joseph mi-
1012 pm edt fri jul 17 2026
...small craft advisory in effect from saturday afternoon through
late saturday night...
.overnight...south winds 5 to 15 knots becoming southwest.
partly cloudy. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots becoming north 15 to
25 knots in the afternoon. a chance of showers and thunderstorms
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet in the
afternoon.
.saturday night...north winds 15 to 25 knots becoming northeast
5 to 15 knots. patchy smoke overnight. waves 3 to 6 feet subsiding
to 2 to 4 feet late.
.sunday...northeast winds 10 knots or less becoming north. patchy
smoke in the morning. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 62 degrees and at michigan
city is 54 degrees.
$$
(11/16)
Latest Nearshore Marine Forecast by KLOT
Issued 7/17/2026 8:49 PM US/Central.
Valid through 7/18/2026 4:15 AM US/Central.
fzus53 klot 180149
nshlot
expires:202607180915;;150256
nearshore marine forecast
national weather service chicago/romeoville il
849 pm cdt fri jul 17 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>742-180915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
849 pm cdt fri jul 17 2026
.rest of tonight...southwest winds 10 to 15 kt. partly cloudy
early, then becoming mostly clear. waves 1 to 3 ft.
.saturday...west winds 10 to 20 kt becoming north 15 to 25 kt
late. patchy smoke late in the afternoon. showers and
thunderstorms likely in the afternoon. waves 1 to 2 ft building
to 2 to 4 ft late.
.saturday night...northeast winds 15 to 25 kt diminishing to
10 to 20 kt. areas of smoke. waves 3 to 6 ft occasionally to
8 ft.
.sunday...east winds around 10 kt. patchy smoke in the morning.
waves 3 to 5 ft subsiding to 2 to 4 ft.
$$
(12/16)
Latest Nearshore Marine Forecast by KLOT
Issued 7/17/2026 8:49 PM US/Central.
Valid through 7/18/2026 4:15 AM US/Central.
fzus53 klot 180149
nshlot
expires:202607180915;;150257
nearshore marine forecast
national weather service chicago/romeoville il
849 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-180915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
849 pm cdt fri jul 17 2026
.rest of tonight...south winds 10 to 15 kt becoming southwest
late. isolated showers and thunderstorms early. waves 1 to 2 ft.
.saturday...southwest winds 10 to 20 kt becoming north 15 to 25
kt late. showers and thunderstorms likely in the afternoon. waves
1 to 3 ft building to 2 to 4 ft late.
.saturday night...north winds 15 to 20 kt becoming northeast.
slight chance of showers and thunderstorms in the evening. patchy
smoke in the evening, then areas of smoke overnight. waves 3 to
6 ft occasionally to 8 ft.
.sunday...east winds around 10 kt becoming northeast in the
afternoon. patchy smoke in the morning. waves 3 to 5 ft subsiding
to 1 to 3 ft.
$$
(13/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/18/2026 1:10 AM US/Central.
Valid through 7/18/2026 4:00 AM US/Central.
fzus53 kmkx 180610
nshmkx
expires:202607180900;;159239
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz646-180900-
wind point wi to winthrop harbor il-
110 am cdt sat jul 18 2026
.rest of tonight...southwest wind 10 to 15 knots veering west
early in the morning. partly cloudy. waves around 1 foot.
.saturday...west wind 10 to 15 knots with gusts to around
20 knots becoming west 10 to 15 knots late in the morning, then
veering north early in the afternoon becoming northeast 15 to
20 knots late in the afternoon. slight chance of showers and
thunderstorms in the morning. waves 1 to 2 feet building to 2 to
4 feet late in the afternoon.
.saturday night...northeast wind 15 to 20 knots easing to 10 to
15 knots early in the morning. areas of smoke through the night.
waves 3 to 5 feet building to 4 to 6 feet in the late evening and
overnight.
.sunday...northeast wind 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. areas of smoke. waves
3 to 4 feet subsiding to 1 to 2 feet in the afternoon.
$$
(14/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/18/2026 1:10 AM US/Central.
Valid through 7/18/2026 4:00 AM US/Central.
fzus53 kmkx 180610
nshmkx
expires:202607180900;;159238
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz645-180900-
north point light to wind point wi-
110 am cdt sat jul 18 2026
.rest of tonight...southwest wind 10 to 15 knots becoming
southwest 10 to 15 knots with gusts to around 20 knots early in
the morning. partly cloudy. waves around 1 foot.
.saturday...west wind 10 to 15 knots with gusts to around
20 knots veering northwest late in the morning, then veering
north early in the afternoon becoming northeast 15 to 20 knots
late in the afternoon. slight chance of showers and thunderstorms
in the morning. waves 1 to 2 feet building to 2 to 4 feet late in
the afternoon.
.saturday night...northeast wind 15 to 20 knots easing to 10 to
15 knots early in the morning. areas of smoke through the night.
waves 3 to 5 feet building to 4 to 6 feet.
.sunday...northeast wind 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. areas of smoke. waves
3 to 4 feet subsiding to 1 to 2 feet in the afternoon.
$$
(15/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/18/2026 1:10 AM US/Central.
Valid through 7/18/2026 4:00 AM US/Central.
fzus53 kmkx 180610
nshmkx
expires:202607180900;;159237
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz644-180900-
port washington to north point light wi-
110 am cdt sat jul 18 2026
.rest of tonight...southwest wind 10 to 15 knots becoming
southwest 10 to 15 knots with gusts to around 20 knots early in
the morning. slight chance of showers early in the morning. waves
around 1 foot.
.saturday...west wind 10 to 15 knots with gusts to around
20 knots veering northwest late in the morning, then veering
north early in the afternoon becoming northeast 15 to 20 knots
late in the afternoon. slight chance of showers and thunderstorms
in the morning. patchy smoke in the afternoon. waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon.
.saturday night...northeast wind 15 to 20 knots becoming 10 to
20 knots after midnight, then becoming 10 to 15 knots early in
the morning. areas of smoke. waves 3 to 4 feet building to 4 to
6 feet in the late evening and early morning, then subsiding to
3 to 4 feet early in the morning.
.sunday...northeast wind 5 to 10 knots veering southeast late in
the afternoon. areas of smoke. waves 2 to 4 feet subsiding to
1 to 2 feet in the late morning and afternoon.
$$
(16/16)
Latest Nearshore Marine Forecast by KMKX
Issued 7/18/2026 1:10 AM US/Central.
Valid through 7/18/2026 4:00 AM US/Central.
fzus53 kmkx 180610
nshmkx
expires:202607180900;;159236
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sat jul 18 2026
for waters within five nautical miles of shore on lake michigan
lmz643-180900-
sheboygan to port washington wi-
110 am cdt sat jul 18 2026
.rest of tonight...southwest wind 10 to 15 knots. gusts up to
20 knots. slight chance of showers and thunderstorms early in the
morning. waves 1 to 2 feet.
.saturday...west wind 10 to 15 knots with gusts to around
20 knots veering northwest late in the morning, then veering
north early in the afternoon becoming northeast 15 to 20 knots
late in the afternoon. slight chance of showers and thunderstorms
in the morning. patchy smoke in the afternoon. waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon.
.saturday night...northeast wind 15 to 20 knots easing to 10 to
15 knots after midnight, then easing to 5 to 10 knots early in
the morning. areas of smoke. waves 3 to 5 feet building to 4 to
6 feet late in the evening, then subsiding to 3 to 4 feet after
midnight.
.sunday...northeast wind 5 to 10 knots veering southeast late in
the afternoon. areas of smoke. waves 2 to 4 feet subsiding to
1 to 2 feet in the late morning and afternoon.
$$
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