Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 101255
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
755 AM CDT Fri Oct 10 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-101600-
Sheboygan to Port Washington WI-
755 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Southwest wind 10 to 25 knots becoming 15 to 25 knots
late in the morning, then becoming southwest 15 to 25 knots early
in the afternoon veering west 15 to 20 knots late in the
afternoon. Gusts up to 30 knots. Slight chance of thunderstorms
in the morning. Chance of showers in the morning. Slight chance
of showers early in the afternoon. Waves 3 to 5 feet subsiding to
3 to 4 feet late in the afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 2 feet early in the morning.
.SATURDAY...North wind 10 to 20 knots becoming 10 to 15 knots
late in the morning, then becoming north 10 to 15 knots early in
the afternoon veering northeast late in the afternoon. Partly
sunny. Waves 1 to 2 feet building to 2 to 4 feet in the late
morning and afternoon.
.SATURDAY NIGHT...Northeast wind 10 to 15 knots veering southeast
early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet in the late evening and early morning, then
building to 2 to 4 feet early in the morning.

Wave heights are for ice free areas.

$$
LMZ644-101600-
Port Washington to North Point Light WI-
755 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Southwest wind 10 to 20 knots becoming 15 to 20 knots
late in the morning, then becoming 10 to 20 knots early in the
afternoon veering west 15 to 20 knots late in the afternoon.
Gusts up to 25 knots. Rain showers likely and slight chance of
thunderstorms in the morning. Slight chance of showers early in
the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots becoming north 10 to
15 knots early in the morning. Clear. 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. Sunny in the morning then becoming partly sunny.
Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.
.SATURDAY NIGHT...Northeast wind 10 to 15 knots becoming east
5 to 10 knots late in the evening, then becoming southeast 10 to
15 knots after midnight. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight, then building to 2 to
4 feet early in the morning.

Wave heights are for ice free areas.

$$
LMZ645-101600-
North Point Light to Wind Point WI-
755 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Southwest wind 5 to 20 knots rising to 15 to 20 knots
late in the morning, then becoming 10 to 20 knots early in the
afternoon becoming 15 to 20 knots late in the afternoon. Gusts up
to 25 knots. Chance of showers in the morning, then showers
likely and slight chance of thunderstorms late in the morning.
Slight chance of showers early in the afternoon. Waves 2 to
4 feet.
.TONIGHT...Northwest wind 15 to 20 knots veering north 10 to
20 knots early in the morning. Mostly clear. Waves 1 to 2 feet
building to 3 to 4 feet in the late evening and overnight.
.SATURDAY...North wind 10 to 15 knots. Partly sunny. Waves 2 to
4 feet.
.SATURDAY NIGHT...Northeast wind 10 to 15 knots veering southeast
early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight, then building to 2 to 4 feet early
in the morning.

Wave heights are for ice free areas.

$$
LMZ646-101600-
Wind Point WI to Winthrop Harbor IL-
755 AM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...South wind 5 to 20 knots becoming southwest 15 to
20 knots in the late morning and afternoon. Gusts up to 25 knots.
Chance of showers in the morning, then showers likely and slight
chance of thunderstorms late in the morning. Chance of showers
early in the afternoon. Waves 2 to 4 feet.
.TONIGHT...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. Mostly clear. Waves 1 to 2 feet
building to 2 to 4 feet in the late evening and overnight.
.SATURDAY...North wind 10 to 15 knots. Partly sunny. Waves 2 to
4 feet.
.SATURDAY NIGHT...Northeast wind 10 to 15 knots veering southeast
early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight, then building to 2 to 4 feet early
in the morning.

Wave heights are for ice free areas.

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