Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 151011
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
511 AM CDT Wed Oct 15 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-151600-
Sheboygan to Port Washington WI-
511 AM CDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then becoming northeast 5 to 10 knots in the
afternoon. Scattered showers in the morning. Waves 3 to 4 feet
subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...Northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the evening, then becoming northeast 10 to 15 knots after
midnight becoming east 5 to 10 knots early in the morning. Partly
cloudy. Waves 1 to 2 feet.
.THURSDAY...East wind 10 to 15 knots veering southeast with gusts
to around 20 knots late in the morning, then rising to 15 to
20 knots early in the afternoon veering south late in the
afternoon. Mostly sunny. Waves 1 to 3 feet building to 2 to
4 feet in the late morning and afternoon.
.THURSDAY NIGHT...South wind 15 to 20 knots becoming 15 to
25 knots early in the morning. Chance of showers through the
night. Waves 3 to 4 feet building to 4 to 6 feet.

$$
LMZ644-151600-
Port Washington to North Point Light WI-
511 AM CDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...East wind 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and early afternoon, then rising to
10 to 15 knots late in the afternoon. Scattered showers in the
morning, then isolated showers late in the morning. Waves 3 to
4 feet subsiding to 1 to 3 feet in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots becoming east 5 to
10 knots early in the morning. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...East wind 10 to 15 knots veering southeast with gusts
to around 20 knots in the afternoon. Mostly sunny. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots becoming south
15 to 20 knots in the late evening and overnight. Chance of
showers through the night. Waves 3 to 4 feet building to 4 to
6 feet early in the morning.

$$
LMZ645-151600-
North Point Light to Wind Point WI-
511 AM CDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...East wind 10 to 15 knots easing to 5 to 10 knots late in
the morning, then backing northeast early in the afternoon rising
to 10 to 15 knots late in the afternoon. Scattered showers in the
morning, then isolated showers late in the morning. Waves 4 to
6 feet subsiding to 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming east 5 to
10 knots early in the morning. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...East wind 10 to 15 knots veering southeast with gusts
to around 20 knots in the afternoon. Mostly sunny. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots rising to 15 to
20 knots late in the evening, then veering south after midnight
becoming south 15 to 20 knots early in the morning. Slight chance
of showers through around midnight, then chance of showers after
midnight. Waves 3 to 4 feet.

$$
LMZ646-151600-
Wind Point WI to Winthrop Harbor IL-
511 AM CDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...East wind 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon, then rising to 10 to 15 knots
late in the afternoon. Numerous showers in the morning, then
scattered showers late in the morning. Waves 4 to 6 feet
subsiding to 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots becoming east 5 to
10 knots early in the morning. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Southeast wind 10 to 15 knots. Sunny. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and early
afternoon, then subsiding to 1 to 3 feet late in the afternoon.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots rising to 15 to
20 knots late in the evening, then veering south after midnight
becoming south 15 to 20 knots early in the morning. Slight chance
of showers through around midnight, then chance of showers after
midnight. Waves 1 to 3 feet building to 3 to 4 feet in the late
evening and overnight.

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