Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 092111
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
311 PM CST Tue Dec 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-100500-
Sheboygan to Port Washington WI-
311 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots
with gusts to around 25 knots late in the evening, then veering
southwest with gusts to around 25 knots after midnight becoming
north up to 30 knots early in the morning. Rain and snow. Waves
1 to 2 feet building to 4 to 6 feet in the late evening and
overnight.
.WEDNESDAY...North gales to 35 knots becoming northwest up to
30 knots early in the afternoon, then easing to 15 to 25 knots
late in the afternoon. Chance of snow in the morning. Waves 7 to
9 feet subsiding to 4 to 6 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet.
.THURSDAY...Northwest wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then backing west early in the
afternoon becoming west 10 to 15 knots late in the afternoon.
Partly sunny. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ644-100500-
Port Washington to North Point Light WI-
311 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots late
in the evening, then veering southwest after midnight veering
northwest 15 to 25 knots early in the morning. Gusts up to
30 knots. Rain and snow. Waves 1 to 2 feet building to 3 to
4 feet in the late evening and overnight.
.WEDNESDAY...North gales to 35 knots easing to up to 30 knots
with gusts to around 35 knots late in the morning, then backing
northwest early in the afternoon easing to 15 to 25 knots late in
the afternoon. Snow and slight chance of rain in the morning.
Waves 6 to 8 feet building to 7 to 9 feet late in the morning,
then subsiding to 6 to 8 feet early in the afternoon subsiding to
4 to 6 feet late in the afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 2 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.

Wave heights are for ice free areas.

$$
LMZ645-100500-
North Point Light to Wind Point WI-
311 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.TONIGHT...South wind 10 to 20 knots rising to 15 to 25 knots
late in the evening, then veering southwest after midnight
veering west early in the morning. Snow likely through around
midnight. Rain through the night. Snow after midnight. Waves 3 to
5 feet subsiding to 3 to 4 feet early in the morning.
.WEDNESDAY...North gales to 35 knots becoming northwest up to
30 knots early in the afternoon, then easing to 15 to 25 knots
late in the afternoon. Snow and slight chance of rain in the
morning. Waves 5 to 7 feet building to 8 to 10 feet in the late
morning and early afternoon, then subsiding to 6 to 8 feet late
in the afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots early in the morning. Partly cloudy. Waves 4 to 6 feet
subsiding to 3 to 4 feet.
.THURSDAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Partly sunny. Waves
2 to 4 feet subsiding to 1 to 2 feet in the late morning and
afternoon.

Wave heights are for ice free areas.

$$
LMZ646-100500-
Wind Point WI to Winthrop Harbor IL-
311 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.TONIGHT...South wind 10 to 20 knots rising to 15 to 25 knots
late in the evening, then veering southwest after midnight
veering west early in the morning. Gusts up to 30 knots. Rain
with snow likely through around midnight, then rain likely and
snow after midnight. Waves 3 to 5 feet.
.WEDNESDAY...Northwest wind up to 30 knots with gusts to around
35 knots veering north with gusts to around 35 knots late in the
morning, then backing northwest early in the afternoon easing to
15 to 25 knots late in the afternoon. Snow and rain in the
morning. Waves 5 to 7 feet building to 7 to 9 feet in the late
morning and early afternoon, then subsiding to 5 to 7 feet late
in the afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots late in the evening, then becoming northwest 15 to
20 knots after midnight. Mostly cloudy through around midnight
then clearing. 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.

Wave heights are for ice free areas.

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