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FZUS53 KMKX 100334
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1034 PM CDT Thu Oct 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-101000-
Sheboygan to Port Washington WI-
1034 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...South wind 15 to 20 knots. Gusts up to
25 knots. Partly cloudy. Waves 3 to 4 feet.
.FRIDAY...Southwest wind 15 to 25 knots veering west 15 to
20 knots late in the afternoon. Gusts up to 30 knots. Scattered
showers in the morning. Waves 3 to 5 feet subsiding to 3 to
4 feet late in the afternoon.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Slight chance of
showers. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the
morning.
.SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then veering northeast late in the
afternoon. Partly sunny. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ644-101000-
Port Washington to North Point Light WI-
1034 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY EVENING...

.REST OF TONIGHT...South wind 10 to 15 knots becoming 10 to
20 knots after midnight, then becoming 15 to 20 knots early in
the morning. Partly cloudy. Waves 1 to 3 feet building to 2 to
4 feet after midnight.
.FRIDAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots
early in the afternoon, then veering west 15 to 20 knots late in
the afternoon. Gusts up to 25 knots. Scattered showers in the
morning. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots becoming north
10 to 15 knots early in the morning. Slight chance of showers
through around midnight. Waves 1 to 2 feet building to 2 to
4 feet in the late evening and early morning, then subsiding to
1 to 2 feet early in the morning.
.SATURDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Mostly sunny. Waves 1 to 2 feet building to 3 to
4 feet in the late morning and afternoon.

Wave heights are for ice free areas.

$$
LMZ645-101000-
North Point Light to Wind Point WI-
1034 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY EVENING...

.REST OF TONIGHT...South wind 10 to 15 knots becoming 10 to
20 knots after midnight, then becoming 15 to 20 knots early in
the morning. Mostly clear. Waves 1 to 2 feet building to 2 to
4 feet early in the morning.
.FRIDAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots
early in the afternoon, then becoming 15 to 20 knots late in the
afternoon. Gusts up to 25 knots. Scattered showers in the
morning. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots veering north 10 to
20 knots early in the morning. Slight chance of showers through
around midnight. Waves 1 to 2 feet building to 3 to 4 feet in the
late evening and overnight.
.SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then veering northeast late in the
afternoon. Mostly sunny. Waves 3 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ646-101000-
Wind Point WI to Winthrop Harbor IL-
1034 PM CDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH
FRIDAY EVENING...

.REST OF TONIGHT...South wind 10 to 15 knots rising to 15 to
20 knots early in the morning. Mostly clear. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.
.FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots.
Isolated showers. Waves 2 to 4 feet.
.FRIDAY NIGHT...West wind 10 to 20 knots veering north 15 to
20 knots in the late evening and early morning, then easing to
10 to 15 knots early in the morning. Slight chance of showers.
Waves 1 to 2 feet building to 2 to 4 feet in the late evening and
overnight.
.SATURDAY...North wind 10 to 15 knots. Mostly sunny. Waves 3 to
4 feet.

Wave heights are for ice free areas.

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