fzus53 kapx 181518
nshapx
expires:202512182330;;803812

nearshore marine forecast
national weather service gaylord mi
1018 am est thu dec 18 2025

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.


lmz345-346-182330-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
1018 am est thu dec 18 2025

...gale warning in effect through friday morning...

.today...south wind 15 to 25 knots becoming southwest early in
the evening. rain showers likely in the late morning, then
showers in the afternoon. waves 6 to 9 feet. waves occasionally
around 11 feet. 
.tonight...west wind up to 30 knots with gusts to around
40 knots. patchy blowing snow. rain and snow showers likely.
waves 8 to 11 feet. 
.friday...northwest wind up to 30 knots with gusts to around
40 knots. patchy blowing snow. chance of snow showers. waves 9 to
12 feet. 
.friday night...south wind 15 to 25 knots. cloudy. waves 4 to
7 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 181721
nshgrb
expires:202512182300;;808785

nearshore marine forecast
national weather service green bay wi
1121 am cst thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz542-543-182300-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1121 am cst thu dec 18 2025

...gale warning in effect through friday morning...
...dense fog advisory in effect until 6 pm cst this evening...

.this afternoon...s wind 15 to 25 kts veering sw early in the
afternoon. waves 8 to 12 ft. areas of dense fog. a chance of
light rain late in the morning. light rain likely in the
afternoon. 
.tonight...w wind to 30 kts veering nw gales to 35 kts after
midnight. gusts to 40 kts. waves 5 to 8 ft. a chance of light
snow and a slight chance of light rain in the evening, then light
snow likely after midnight. 
.friday...nw wind to 30 kts with gale force gusts to around
40 kts becoming w 10 to 15 kts early in the afternoon. waves 4 to
7 ft subsiding to 1 to 3 ft in the afternoon. partly cloudy. 
.friday night...sw wind 10 to 15 kts becoming s to 30 kts in the
late evening and overnight. waves 5 to 8 ft. mostly cloudy.  

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806421

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz847-182200-
grand haven to whitehall mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south gales to 40 knots. rain showers. patchy fog.
waves 8 to 12 feet. 
.tonight...west gales to 40 knots. rain and snow showers. waves 9 to
13 feet. 
.friday...northwest gales to 45 knots decreasing to 30 knots early
in the afternoon. snow showers and a slight chance of light freezing
rain. waves 10 to 14 feet subsiding to 7 to 10 feet early in the
afternoon. 
.friday night...southwest winds 15 to 20 knots becoming south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. mostly cloudy. waves 4 to 6 feet
building to 6 to 9 feet after midnight. 
.saturday...south gales to 35 knots veering west early in the
afternoon. mostly cloudy with a chance of rain and snow showers.
waves 7 to 10 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 6 to 9 feet
subsiding to 4 to 6 feet early in the afternoon. 
.monday...south winds to 30 knots. mostly cloudy with a chance of
snow showers. waves 6 to 8 feet. 

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806419

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz849-182200-
pentwater to manistee mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south gales to 35 knots. rain showers. patchy fog.
waves 7 to 11 feet. 
.tonight...west winds to 30 knots increasing to gales to 35 knots in
the late evening and overnight. snow showers and a chance of rain
showers. patchy fog. waves 7 to 11 feet. 
.friday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. snow showers and a chance of light freezing rain.
waves 8 to 12 feet subsiding to 6 to 8 feet early in the afternoon. 
.friday night...southwest winds 10 to 20 knots becoming south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. cloudy with a slight chance of
snow showers. waves 4 to 6 feet building to 6 to 8 feet after
midnight. 
.saturday...south gales to 35 knots veering southwest to 30 knots in
the late morning and early afternoon, then veering west gales to
35 knots early in the afternoon. mostly cloudy with a chance of snow
showers. waves 6 to 9 feet. 
.sunday...northwest gales to 35 knots decreasing to 15 to 20 knots.
mostly cloudy. waves 6 to 8 feet subsiding to 3 to 5 feet early in
the afternoon. 
.monday...south winds 15 to 25 knots. mostly cloudy with a chance of
snow showers. waves 5 to 7 feet building to 6 to 8 feet early in the
afternoon. 

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806420

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz848-182200-
whitehall to pentwater mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south gales to 35 knots. rain showers. patchy fog.
waves 9 to 13 feet. 
.tonight...west winds to 30 knots increasing to gales to 40 knots in
the late evening and overnight. snow showers and a chance of rain
showers. waves 8 to 12 feet. 
.friday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. snow showers and a chance of light freezing rain.
waves 10 to 14 feet subsiding to 6 to 9 feet early in the afternoon.
.friday night...southwest winds 10 to 20 knots becoming south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. cloudy. waves 4 to 6 feet building
to 7 to 10 feet after midnight. 
.saturday...south gales to 35 knots veering southwest to 30 knots in
the late morning and early afternoon, then veering west gales to
35 knots early in the afternoon. mostly cloudy with a chance of snow
showers. waves 7 to 10 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 6 to 9 feet
subsiding to 3 to 5 feet early in the afternoon. 
.monday...south winds to 30 knots. mostly cloudy with a chance of
snow showers. waves 6 to 8 feet building to 6 to 9 feet early in the
afternoon. 

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806424

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz844-182200-
st joseph to south haven mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south winds to 30 knots. a chance of rain showers
late in the morning, then rain showers in the afternoon. patchy fog
through the day. waves 5 to 7 feet. 
.tonight...west winds to 30 knots increasing to gales to 40 knots in
the late evening and overnight. snow showers and a chance of rain
showers. waves 7 to 11 feet building to 8 to 12 feet after midnight.
.friday...northwest gales to 40 knots becoming west to 30 knots
early in the afternoon. mostly cloudy with a chance of snow showers
and a slight chance of light freezing rain. waves 10 to 14 feet. 
.friday night...southwest winds 15 to 20 knots backing south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. mostly cloudy. waves 5 to 7 feet
subsiding to 3 to 5 feet in the late evening and overnight. 
.saturday...south gales to 35 knots veering southwest to 30 knots in
the late morning and afternoon. mostly cloudy. waves 4 to 6 feet. 
.sunday...northwest gales to 35 knots decreasing to 15 to 25 knots.
partly sunny. waves 6 to 8 feet. 
.monday...south winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet. 

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806423

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz845-182200-
south haven to holland mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south gales to 35 knots. a chance of rain showers
late in the morning, then rain showers in the afternoon. patchy fog
through the day. waves 6 to 9 feet. 
.tonight...west winds to 30 knots increasing to gales to 40 knots in
the late evening and overnight. rain and snow showers. patchy fog.
waves 7 to 11 feet building to 9 to 13 feet after midnight. 
.friday...northwest gales to 40 knots becoming west to 30 knots
early in the afternoon. snow showers and a slight chance of light
freezing rain. patchy fog. waves 11 to 15 feet. 
.friday night...southwest winds 15 to 20 knots backing south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. mostly cloudy. waves 5 to 7 feet. 
.saturday...south gales to 35 knots veering southwest to 30 knots in
the late morning and early afternoon, then veering west early in the
afternoon. mostly cloudy with a chance of rain showers and a slight
chance of snow showers. waves 5 to 7 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 6 to 9 feet
subsiding to 4 to 6 feet early in the afternoon. 
.monday...south winds 10 to 20 knots. mostly cloudy. waves 2 to
4 feet.

$$

fzus53 kgrr 181634
nshgrr
expires:202512182200;;806422

nearshore marine forecast
national weather service grand rapids mi
1134 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz846-182200-
holland to grand haven mi-
1134 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south gales to 35 knots. a chance of rain showers
late in the morning, then rain showers in the afternoon. patchy fog
through the day. waves 7 to 10 feet. 
.tonight...west gales to 40 knots. rain and snow showers. waves 8 to
12 feet building to 10 to 14 feet after midnight. 
.friday...northwest gales to 45 knots becoming west to 30 knots
early in the afternoon. snow showers. patchy fog. waves 11 to
15 feet subsiding to 7 to 11 feet early in the afternoon. 
.friday night...southwest winds 15 to 20 knots backing south to
30 knots in the late evening and early morning, then increasing to
gales to 35 knots after midnight. mostly cloudy. waves 5 to 7 feet
building to 6 to 8 feet after midnight. 
.saturday...south gales to 35 knots veering west early in the
afternoon. mostly cloudy with a chance of rain and snow showers.
waves 6 to 9 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 6 to 9 feet
subsiding to 4 to 6 feet early in the afternoon. 
.monday...south winds 15 to 25 knots. mostly cloudy with a chance of
snow showers. waves 3 to 5 feet. 

$$

fzus53 kiwx 181607
nshiwx
expires:202512182230;;805116

nearshore marine forecast
national weather service northern indiana
1107 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz043-182230-
new buffalo mi to st joseph mi-
1107 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south winds 20 to 25 knots becoming southwest.
gusts up to 35 knot gales. a chance of showers late this morning,
then showers this afternoon. waves 3 to 6 feet. 
.tonight...west winds to 30 knots. gusts up to 40 knot gales. 
snow showers likely with a chance of rain showers in the evening, 
then snow showers likely overnight. waves 5 to 8 feet building to 
7 to 11 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots.
gusts up to 35 knot gales. a chance of snow showers in the
morning. waves 9 to 12 feet subsiding to 5 to 8 feet. 
.friday night...southwest winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. mostly cloudy. waves 3 to 6 feet
subsiding to 3 to 5 feet. 

the water temperature at st. joseph is 36 degrees and at michigan
city is 35 degrees.

$$

fzus53 kiwx 181607
nshiwx
expires:202512182230;;805115

nearshore marine forecast
national weather service northern indiana
1107 am est thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz046-182230-
michigan city in to new buffalo mi-
1107 am est thu dec 18 2025

...gale warning in effect through friday morning...

.rest of today...south winds 20 to 25 knots becoming southwest.
gusts up to 35 knot gales. a chance of showers late this morning,
then showers this afternoon. waves 3 to 5 feet. 
.tonight...west winds to 30 knots. gusts up to 40 knot gales. a 
chance of rain and snow showers in the evening, then a chance of 
snow showers overnight. waves 3 to 6 feet building to 6 to 9 feet.
.friday...west winds to 30 knots diminishing to 15 to 20 knots.
gusts up to 35 knot gales decreasing to 25 knots. a chance of
snow showers in the morning. waves 6 to 10 feet subsiding to 5 to
8 feet. 
.friday night...southwest winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. mostly cloudy. waves 2 to 4 feet. 

the water temperature at st. joseph is 36 degrees and at michigan
city is 35 degrees.

$$

fzus53 klot 181608
nshlot
expires:202512182215;;805126

nearshore marine forecast
national weather service chicago/romeoville il
1008 am cst thu dec 18 2025

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>743-182215-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
1008 am cst thu dec 18 2025

...gale warning in effect through late tonight...

.rest of today...south gales to 35 kt becoming west to 30 kt with
gusts to 35 kt gales. chance of showers late in the morning, then
showers in the afternoon. waves 4 to 6 ft occasionally to 8 ft 
subsiding to 3 to 5 ft. 
.tonight...west gales to 35 kt. chance of snow showers. waves 4 
to 6 ft occasionally to 8 ft. 
.friday...west winds to 30 kt diminishing to 10 to 20 kt in the 
afternoon. mostly cloudy in the morning, then becoming partly 
cloudy. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 
ft. 
.friday night...south winds 10 to 20 kt increasing to 20 to
25 kt. mostly cloudy. waves 2 to 4 ft building to 3 to 6 ft 
occasionally to 8 ft. 

$$

fzus53 klot 181608
nshlot
expires:202512182215;;805127

nearshore marine forecast
national weather service chicago/romeoville il
1008 am cst thu dec 18 2025

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.


lmz744-745-182215-
gary to burns harbor in-burns harbor to michigan city in-
1008 am cst thu dec 18 2025

...gale warning in effect through late tonight...

.rest of today...south gales to 35 kt becoming southwest to 30 
kt with gusts to 35 kt gales. showers. waves 3 to 6 ft 
occasionally to 8 ft. 
.tonight...west winds 20 to 25 kt increasing to west gales to 35 
kt in the evening. chance of snow showers. freezing spray 
overnight. waves 3 to 6 ft occasionally to 8 ft building to 7 to 
10 ft occasionally to 13 ft. 
.friday...west winds to 30 kt diminishing to 15 to 25 kt in the
afternoon. freezing spray in the morning. slight chance of snow 
showers in the morning. waves 7 to 10 ft occasionally to 13 ft 
subsiding to 3 to 5 ft late. 
.friday night...south winds 10 to 20 kt increasing to 20 to
25 kt. mostly cloudy. waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus53 kmkx 181710
nshmkx
expires:202512182300;;808461

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cst thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz643-182300-
sheboygan to port washington wi-
1110 am cst thu dec 18 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
friday morning...

.rest of today...south wind 15 to 25 knots veering west 15 to
20 knots late in the afternoon. gusts up to 30 knots. areas of
fog through the day. chance of showers around noon. rain showers
early in the afternoon, then chance of showers late in the
afternoon. waves 7 to 9 feet subsiding to 5 to 7 feet late in the
afternoon. 
.tonight...west wind 15 to 25 knots rising to up to 30 knots late
in the evening, then becoming west up to 30 knots after midnight
veering northwest early in the morning. gusts up to 35 knots.
chance of snow showers through around midnight, then snow showers
likely after midnight. waves 3 to 5 feet subsiding to 3 to 4 feet
late in the evening, then building to 3 to 5 feet after midnight.
.friday...northwest wind up to 30 knots with gusts to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
early in the afternoon, then becoming west 10 to 15 knots late in
the afternoon. partly sunny. waves 4 to 6 feet subsiding to 1 to
2 feet late in the afternoon. 
.friday night...southwest wind 10 to 15 knots becoming south
15 to 25 knots in the late evening and overnight. mostly cloudy.
waves 1 to 2 feet building to 5 to 7 feet. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181710
nshmkx
expires:202512182300;;808462

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cst thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz644-182300-
port washington to north point light wi-
1110 am cst thu dec 18 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
friday morning...

.rest of today...south wind 15 to 25 knots veering west 15 to
20 knots late in the afternoon. areas of fog through the day.
showers likely around noon. rain showers early in the afternoon,
then chance of showers late in the afternoon. waves 5 to 7 feet
subsiding to 3 to 5 feet late in the afternoon. 
.tonight...west wind 15 to 25 knots rising to up to 30 knots late
in the evening, then becoming west up to 30 knots after midnight.
gusts up to 35 knots. chance of snow showers through the night.
waves 3 to 4 feet building to 3 to 5 feet after midnight. 
.friday...northwest wind up to 30 knots with gusts to around
35 knots becoming west 15 to 20 knots with gusts to around
25 knots early in the afternoon, then easing to 10 to 15 knots
late in the afternoon. partly sunny. waves 3 to 5 feet subsiding
to 1 to 2 feet. 
.friday night...southwest wind 10 to 15 knots becoming south
15 to 20 knots late in the evening, then becoming 15 to 25 knots
after midnight becoming south 15 to 25 knots early in the
morning. mostly cloudy. waves 1 to 2 feet building to 4 to
6 feet. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181710
nshmkx
expires:202512182300;;808463

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cst thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz645-182300-
north point light to wind point wi-
1110 am cst thu dec 18 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
friday morning...

.rest of today...south wind 15 to 25 knots veering west 15 to
20 knots late in the afternoon. gusts up to 30 knots. areas of
fog through the day. showers likely around noon. rain showers
early in the afternoon, then chance of showers late in the
afternoon. waves 5 to 7 feet subsiding to 3 to 5 feet late in the
afternoon. 
.tonight...west wind 15 to 25 knots rising to up to 30 knots in
the late evening and early morning, then becoming west up to
30 knots early in the morning. gusts up to 35 knots. chance of
snow showers through the night. waves 3 to 4 feet building to
4 to 6 feet in the late evening and overnight. 
.friday...northwest wind up to 30 knots with gusts to around
35 knots becoming west 15 to 20 knots early in the afternoon,
then easing to 10 to 15 knots late in the afternoon. partly
sunny. waves 4 to 6 feet subsiding to 1 to 2 feet late in the
afternoon. 
.friday night...southwest wind 10 to 15 knots becoming south
15 to 25 knots in the late evening and overnight. mostly cloudy.
waves 1 to 2 feet building to 4 to 6 feet in the late evening and
overnight. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181710
nshmkx
expires:202512182300;;808464

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cst thu dec 18 2025

for waters within five nautical miles of shore on lake michigan


lmz646-182300-
wind point wi to winthrop harbor il-
1110 am cst thu dec 18 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
friday morning...

.rest of today...south wind 15 to 25 knots becoming west 10 to
20 knots late in the afternoon. gusts up to 30 knots. areas of
fog through the day. chance of showers around noon. rain showers
early in the afternoon, then chance of showers late in the
afternoon. waves 5 to 7 feet subsiding to 3 to 5 feet late in the
afternoon. 
.tonight...west wind 15 to 25 knots rising to up to 30 knots
after midnight, then becoming west up to 30 knots early in the
morning. gusts up to 35 knots. chance of snow showers through the
night. waves 3 to 4 feet building to 3 to 5 feet early in the
morning. 
.friday...northwest wind up to 30 knots with gusts to around
35 knots easing to 15 to 25 knots with gusts to around 30 knots
late in the morning, then backing west 15 to 20 knots early in
the afternoon easing to 10 to 15 knots late in the afternoon.
partly sunny. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.friday night...southwest wind 10 to 15 knots becoming south
15 to 20 knots late in the evening, then becoming 15 to 25 knots
after midnight. mostly cloudy. waves 1 to 2 feet building to 4 to
6 feet. 

wave heights are for ice free areas.

$$