fzus53 kapx 180722
nshapx
expires:202512181830;;783787

nearshore marine forecast
national weather service gaylord mi
222 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.


lmz345-346-181830-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
222 am est thu dec 18 2025

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

.today...south wind up to 30 knots with gusts to around 35 knots
becoming southwest 15 to 25 knots early in the evening. rain
showers likely in the morning. rain 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 6 to
9 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 181043
nshgrb
expires:202512181700;;792925

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

for waters within five nautical miles of shore on lake michigan


lmz542-543-181700-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
443 am cst thu dec 18 2025

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

.early this morning...s wind 15 to 25 kts. waves 8 to 12 ft. a
slight chance of drizzle. 
.today...s wind to 30 kts veering sw 15 to 25 kts early in the
afternoon. gusts to 35 kts. waves 8 to 12 ft. a chance of light
rain in the morning, then light rain and a chance of light snow
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. 
.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 6 to 10 ft. mostly cloudy.  

$$

fzus53 kgrr 181213
nshgrr
expires:202512182100;;797198

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

for waters within five nautical miles of shore on lake michigan


lmz849-182100-
pentwater to manistee mi-
713 am est thu dec 18 2025

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

.today...south gales to 35 knots. a chance of rain showers in the
morning, then rain showers in the afternoon. patchy fog through the
day. 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. mostly cloudy with snow showers and a chance of
light freezing rain. waves 9 to 13 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 3 to 5 feet building to 7 to 11 feet. 
.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 11 feet. 
.sunday...northwest gales to 35 knots decreasing to 15 to 20 knots.
mostly cloudy. waves 7 to 11 feet subsiding to 5 to 7 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 181213
nshgrr
expires:202512182100;;797203

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

for waters within five nautical miles of shore on lake michigan


lmz844-182100-
st joseph to south haven mi-
713 am est thu dec 18 2025

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

.today...south gales to 35 knots decreasing to 30 knots in the late
morning and afternoon. rain showers. patchy fog. 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 4 to 6 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 5 to 7 feet. 
.sunday...northwest gales to 35 knots decreasing to 15 to 25 knots.
partly sunny. waves 7 to 11 feet. 
.monday...south winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet. 

$$

fzus53 kgrr 181213
nshgrr
expires:202512182100;;797202

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

for waters within five nautical miles of shore on lake michigan


lmz845-182100-
south haven to holland mi-
713 am est thu dec 18 2025

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

.today...south gales to 35 knots. rain showers. patchy fog. 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 6 to 9 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 8 to 12 feet. 
.monday...south winds 10 to 20 knots. mostly cloudy. waves 2 to
4 feet.

$$

fzus53 kgrr 181213
nshgrr
expires:202512182100;;797201

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

for waters within five nautical miles of shore on lake michigan


lmz846-182100-
holland to grand haven mi-
713 am est thu dec 18 2025

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

.today...south gales to 35 knots. rain showers. patchy fog. 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 12 to
16 feet subsiding to 8 to 12 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 7 to 10 feet.
.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 11 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 8 to 12 feet
subsiding to 6 to 8 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 kgrr 181213
nshgrr
expires:202512182100;;797200

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

for waters within five nautical miles of shore on lake michigan


lmz847-182100-
grand haven to whitehall mi-
713 am est thu dec 18 2025

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

.today...south gales to 40 knots. a chance of rain showers in the
morning, then rain showers in the afternoon. patchy fog through the
day. waves 8 to 12 feet. 
.tonight...west gales to 40 knots. rain and snow showers. waves
10 to 14 feet. 
.friday...northwest gales to 45 knots decreasing to 30 knots early
in the afternoon. mostly cloudy with snow showers and a slight
chance of light freezing rain. waves 11 to 15 feet subsiding to 7 to
11 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 6 to 8 feet
building to 8 to 12 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 8 to 12 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 8 to 12 feet. 
.monday...south winds to 30 knots. mostly cloudy with a chance of
snow showers. waves 6 to 8 feet. 

$$

fzus53 kgrr 181213
nshgrr
expires:202512182100;;797199

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

for waters within five nautical miles of shore on lake michigan


lmz848-182100-
whitehall to pentwater mi-
713 am est thu dec 18 2025

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

.today...south gales to 40 knots. a chance of rain showers in the
morning, then rain showers in the afternoon. patchy fog through the
day. 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 9 to 13 feet. 
.friday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. mostly cloudy with snow showers and a chance of
light freezing rain. waves 11 to 15 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 8 to 12 feet. 
.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 9 to 13 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. partly sunny. waves 7 to 11 feet
subsiding to 5 to 7 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 kiwx 180846
nshiwx
expires:202512181530;;786620

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

for waters within five nautical miles of shore on lake michigan


lmz046-181530-
michigan city in to new buffalo mi-
346 am est thu dec 18 2025

...small craft advisory in effect through this evening...
...gale warning in effect from this evening through friday
morning...

.today...south winds to 30 knots becoming southwest. a few gale
force gusts possible this afternoon. showers. waves increasing to
3 to 5 feet. 
.tonight...west winds to 30 knots. gusts up to 35 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
10 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots.
gusts up to 35 knot gales decreasing to 25 knots. partly sunny.
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 and at michigan city is 36
degrees.

$$

fzus53 kiwx 180846
nshiwx
expires:202512181530;;786621

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

for waters within five nautical miles of shore on lake michigan


lmz043-181530-
new buffalo mi to st joseph mi-
346 am est thu dec 18 2025

...small craft advisory in effect through this evening...
...gale warning in effect from this evening through friday
morning...

.today...south winds to 30 knots becoming southwest. a few gale
force gusts possible this afternoon. showers. waves 3 to 6 feet.
.tonight...west winds to 30 knots. gusts up to 35 knot gales.
snow showers likely with a chance of rain showers in the evening,
then snow showers likely overnight. waves 4 to 7 feet building to
8 to 11 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots.
gusts up to 35 knot gales. mostly cloudy. 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 and at michigan city is 36
degrees.

$$

fzus53 klot 180940
nshlot
expires:202512181630;;790590

nearshore marine forecast
national weather service chicago/romeoville il
340 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.


lmz744-745-181630-
gary to burns harbor in-burns harbor to michigan city in-
340 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through late
tonight...

.today...south winds to 30 kt becoming west in the afternoon. 
occasional gale force gusts to 35 kt possible mainly late this 
morning and early afternoon. waves 3 to 5 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 5 to 8 ft occasionally to 10 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 klot 180940
nshlot
expires:202512181630;;790589

nearshore marine forecast
national weather service chicago/romeoville il
340 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>743-181630-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
340 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through late
tonight...

.today...south winds to 30 kt becoming west in the afternoon. 
occasional gale force gusts to 35 kt possible mainly late this 
morning and early afternoon. rain showers likely and areas of 
drizzle 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 winds to 30 kt increasing to west gales to 35 kt
in the evening. 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 kmkx 181111
nshmkx
expires:202512181700;;794572

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

for waters within five nautical miles of shore on lake michigan


lmz644-181700-
port washington to north point light wi-
511 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through friday
morning...

.today...south wind 15 to 25 knots veering west late in the
afternoon. gusts up to 30 knots. rain likely in the morning, then
rain early in the afternoon. 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 up to 30 knots becoming northwest gales to
35 knots early in the morning. gusts up to 40 knots. snow showers
likely through around midnight, then slight chance of snow
showers after midnight. waves 3 to 4 feet building to 3 to 5 feet
after midnight. 
.friday...northwest gales to 35 knots easing to up to 30 knots
late in the morning, then becoming west 15 to 20 knots with gusts
to around 25 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 becoming south 15 to 25 knots early in the
morning. mostly cloudy. waves around 1 foot building to 5 to
7 feet. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181111
nshmkx
expires:202512181700;;794574

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

for waters within five nautical miles of shore on lake michigan


lmz646-181700-
wind point wi to winthrop harbor il-
511 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through friday
morning...

.today...south wind 15 to 25 knots veering west late in the
afternoon. gusts up to 30 knots. rain likely in the morning, then
rain 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. snow showers likely through around
midnight, then slight chance of snow showers after midnight.
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 5 to
7 feet. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181111
nshmkx
expires:202512181700;;794571

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

for waters within five nautical miles of shore on lake michigan


lmz643-181700-
sheboygan to port washington wi-
511 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through friday
morning...

.today...south wind up to 30 knots easing to 15 to 25 knots late
in the morning, then veering southwest early in the afternoon
becoming southwest 15 to 25 knots late in the afternoon. chance
of rain in the morning, then rain early in the afternoon. chance
of showers and slight chance of snow showers late in the
afternoon. waves 7 to 9 feet subsiding to 5 to 7 feet late in the
afternoon. 
.tonight...west wind up to 30 knots becoming northwest gales to
35 knots early in the morning. chance of snow showers. 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 gales to 35 knots easing to up to 30 knots
late in the morning, then easing to 15 to 20 knots with gusts to
around 25 knots early in the afternoon 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 6 to 8 feet. 

wave heights are for ice free areas.

$$

fzus53 kmkx 181111
nshmkx
expires:202512181700;;794573

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

for waters within five nautical miles of shore on lake michigan


lmz645-181700-
north point light to wind point wi-
511 am cst thu dec 18 2025

...small craft advisory in effect through this afternoon...
...gale warning in effect from this evening through friday
morning...

.today...south wind 15 to 25 knots veering west late in the
afternoon. gusts up to 30 knots. rain likely in the morning, then
rain in the afternoon. waves 5 to 7 feet subsiding to 3 to 5 feet
late in the afternoon. 
.tonight...west wind up to 30 knots veering northwest early in
the morning. gusts up to 35 knots. snow showers likely through
around midnight, then slight chance of snow showers after
midnight. waves 3 to 4 feet building to 4 to 6 feet in the late
evening and overnight. 
.friday...northwest gales to 35 knots easing to up to 30 knots
late in the morning, then becoming west 15 to 20 knots early in
the afternoon 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.

$$