Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 092211
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
511 PM CDT Thu Oct 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-100400-
Sheboygan to Port Washington WI-
511 PM CDT Thu Oct 9 2025

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

.TONIGHT...South wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. Partly cloudy. Waves 3 to 4 feet building
to 3 to 5 feet early in the morning.
.FRIDAY...Southwest wind 15 to 25 knots veering west late in the
afternoon. Gusts up to 30 knots. Scattered showers in the
morning. Waves 3 to 5 feet building to 4 to 6 feet late in the
morning, then subsiding to 3 to 5 feet early in the afternoon
subsiding to 3 to 4 feet late in the afternoon.
.FRIDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight, then becoming northwest 15 to 20 knots
early in the morning. Slight chance of showers. Waves 2 to
4 feet.
.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.

$$
LMZ644-100400-
Port Washington to North Point Light WI-
511 PM CDT Thu Oct 9 2025

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

.TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots
after midnight, then becoming south 15 to 20 knots with gusts to
around 25 knots early in the morning. Clear through around
midnight then becoming partly cloudy. Waves 3 to 4 feet.
.FRIDAY...Southwest wind 15 to 20 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. Scattered showers in the morning. Waves 3 to 4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight, then becoming northwest 15 to 20 knots
early in the morning. Slight chance of showers through around
midnight. Waves 2 to 4 feet 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.

$$
LMZ645-100400-
North Point Light to Wind Point WI-
511 PM CDT Thu Oct 9 2025

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

.TONIGHT...Southeast wind 10 to 15 knots veering south late in
the evening, then rising to 15 to 20 knots after midnight
becoming south 15 to 20 knots early in the morning. Clear through
around midnight then becoming partly cloudy. Waves 1 to 3 feet
building to 3 to 4 feet after midnight.
.FRIDAY...Southwest wind 15 to 20 knots becoming 15 to 25 knots
late in the morning, then becoming southwest 15 to 25 knots early
in the afternoon becoming 15 to 20 knots late in the afternoon.
Gusts up to 30 knots. Scattered showers in the morning. Waves
3 to 4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Slight chance of
showers through around midnight. Waves 3 to 4 feet.
.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.

$$
LMZ646-100400-
Wind Point WI to Winthrop Harbor IL-
511 PM CDT Thu Oct 9 2025

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

.TONIGHT...Southeast wind 10 to 15 knots veering south late in
the evening, then rising to 15 to 20 knots after midnight
becoming south 15 to 20 knots early in the morning. Clear through
around midnight then becoming partly cloudy. Waves 1 to 2 feet
building to 3 to 4 feet after midnight.
.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. Isolated showers. Waves 3 to
4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Slight chance of
showers. Waves 1 to 2 feet building to 2 to 4 feet in the late
evening and overnight.
.SATURDAY...Northwest wind 10 to 15 knots veering north late in
the afternoon. Mostly sunny. Waves 3 to 4 feet.

Wave heights are for ice free areas.

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