Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
311 AM CST Fri Dec 5 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-052200-
Sheboygan to Port Washington WI-
311 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Southwest wind up to 30 knots. Cloudy.
Freezing spray. Waves 4 to 6 feet.
.TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then becoming southwest 15 to 20 knots in
the afternoon. Gusts up to 30 knots. Slight chance of snow early
in the afternoon. Chance of snow late in the afternoon. Waves
3 to 5 feet subsiding to 3 to 4 feet in the late morning and
afternoon.
.TONIGHT...Southwest wind 15 to 20 knots veering northwest early
in the morning. Gusts up to 25 knots. Snow likely and slight
chance of light freezing drizzle through around midnight. Waves
2 to 4 feet subsiding to 1 to 2 feet after midnight.
.SATURDAY...Northwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then becoming 5 to 15 knots late
in the afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots becoming north
10 to 15 knots early in the morning. Snow likely after midnight.
Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ644-052200-
Port Washington to North Point Light WI-
311 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Southwest wind 15 to 25 knots. Cloudy.
Waves 3 to 4 feet.
.TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then becoming southwest 15 to 20 knots in
the afternoon. Slight chance of snow in the afternoon. Waves 3 to
4 feet subsiding to 1 to 3 feet early in the afternoon, then
building to 2 to 4 feet late in the afternoon.
.TONIGHT...Southwest wind 15 to 20 knots veering northwest early
in the morning. Gusts up to 25 knots. Chance of snow and slight
chance of light freezing drizzle through around midnight. Waves
2 to 4 feet subsiding to 1 to 2 feet after midnight.
.SATURDAY...Northwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then easing to 5 to 10 knots
late in the afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots becoming north
10 to 15 knots early in the morning. Snow likely after midnight.
Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-052200-
North Point Light to Wind Point WI-
311 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Southwest wind 15 to 25 knots. Cloudy.
Waves 3 to 4 feet.
.TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots in
the late morning and afternoon. Slight chance of snow late in the
afternoon. Waves 3 to 4 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering northwest early
in the morning. Gusts up to 25 knots. Chance of snow and slight
chance of light freezing drizzle through around midnight. Waves
2 to 4 feet subsiding to 1 to 2 feet after midnight.
.SATURDAY...Northwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then easing to 5 to 10 knots
late in the afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots rising to 10 to
15 knots early in the morning. Snow likely after midnight. Waves
around 1 foot.

Wave heights are for ice free areas.

$$
LMZ646-052200-
Wind Point WI to Winthrop Harbor IL-
311 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Southwest wind 15 to 25 knots. Mostly
cloudy. Waves 3 to 4 feet.
.TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots in
the late morning and early afternoon, then becoming southwest
15 to 20 knots late in the afternoon. Mostly cloudy. Waves 3 to
4 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west early in
the morning. Gusts up to 25 knots. Chance of snow through around
midnight. Slight chance of light freezing drizzle through the
night. Slight chance of snow after midnight. Waves 2 to 4 feet
subsiding to 1 to 2 feet after midnight.
.SATURDAY...Northwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then easing to 5 to 10 knots
late in the afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 10 knots rising to 10 to
15 knots early in the morning. Slight chance of snow through
around midnight, then snow likely after midnight. Waves around
1 foot.

Wave heights are for ice free areas.

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