Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 101710
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 AM CST Wed Dec 10 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-102300-
Sheboygan to Port Washington WI-
1110 AM CST Wed Dec 10 2025

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...

.REST OF TODAY...North wind up to 30 knots with gusts to around
35 knots becoming northwest 15 to 25 knots late in the afternoon.
Mostly cloudy. Waves 7 to 9 feet subsiding to 4 to 6 feet.
.TONIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots
after midnight, then becoming northwest 15 to 20 knots early in
the morning. Partly cloudy. Waves 3 to 5 feet subsiding to 3 to
4 feet in the late evening and overnight.
.THURSDAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the afternoon. Partly sunny. Waves around 1 foot.
.THURSDAY NIGHT...West wind 5 to 10 knots veering northwest early
in the morning. Slight chance of snow through around midnight,
then chance of snow after midnight. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ644-102300-
Port Washington to North Point Light WI-
1110 AM CST Wed Dec 10 2025

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...

.REST OF TODAY...North wind up to 30 knots becoming northwest
15 to 25 knots late in the afternoon. Gusts up to 35 knots late
in the morning and early afternoon. Cloudy. Waves 7 to 9 feet
subsiding to 5 to 7 feet.
.TONIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots
after midnight, then becoming northwest 15 to 20 knots early in
the morning. Partly cloudy. Waves 4 to 6 feet.
.THURSDAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Partly sunny. Waves
around 1 foot.
.THURSDAY NIGHT...West wind 5 to 10 knots veering northwest early
in the morning. Chance of snow. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-102300-
North Point Light to Wind Point WI-
1110 AM CST Wed Dec 10 2025

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...

.REST OF TODAY...North wind up to 30 knots with gusts to around
35 knots becoming northwest 15 to 25 knots late in the afternoon.
Cloudy. Waves 8 to 10 feet subsiding to 6 to 8 feet late in the
afternoon.
.TONIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots
after midnight, then becoming northwest 15 to 20 knots early in
the morning. Mostly cloudy through around midnight then clearing.
Waves 5 to 7 feet subsiding to 4 to 6 feet in the late evening
and overnight.
.THURSDAY...Northwest wind 15 to 20 knots backing west late in
the morning, then easing to 10 to 15 knots early in the afternoon
becoming west 10 to 15 knots late in the afternoon. Partly sunny.
Waves 2 to 4 feet subsiding to around 1 foot in the late morning
and afternoon.
.THURSDAY NIGHT...West wind 5 to 10 knots veering northwest early
in the morning. Chance of snow. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ646-102300-
Wind Point WI to Winthrop Harbor IL-
1110 AM CST Wed Dec 10 2025

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...

.REST OF TODAY...North wind up to 30 knots with gusts to around
35 knots backing northwest early in the afternoon, then easing to
15 to 25 knots late in the afternoon. Slight chance of snow
around noon. Waves 7 to 9 feet subsiding to 6 to 8 feet late in
the afternoon.
.TONIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots
in the late evening and early morning, then becoming northwest
15 to 20 knots early in the morning. Mostly cloudy through around
midnight then clearing. Waves 4 to 6 feet subsiding to 3 to
4 feet.
.THURSDAY...Northwest wind 15 to 20 knots backing west 10 to
20 knots late in the morning, then becoming 10 to 15 knots early
in the afternoon becoming west 10 to 15 knots late in the
afternoon. Partly sunny. Waves 2 to 4 feet subsiding to around
1 foot in the late morning and afternoon.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots veering northwest
early in the morning. Chance of snow. Waves around 1 foot.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Friday through Sunday.