Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 072013
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
313 PM CDT Tue Oct 7 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-080900-
Sheboygan to Port Washington WI-
313 PM CDT Tue Oct 7 2025

.THROUGH EARLY EVENING...North wind 10 to 15 knots backing
northwest late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Northwest wind 10 to 15 knots becoming north 15 to
20 knots with gusts to around 25 knots late in the evening, then
becoming north 15 to 20 knots after midnight. Clear. Waves around
1 foot building to 3 to 4 feet in the late evening and overnight.
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet
in the afternoon.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then veering east after midnight
becoming east 5 to 10 knots early in the morning. Clear. Waves
1 to 2 feet.
.THURSDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering south early in the afternoon
rising to 15 to 20 knots late in the afternoon. Sunny. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.

Wave heights are for ice free areas.

$$
LMZ644-080900-
Port Washington to North Point Light WI-
313 PM CDT Tue Oct 7 2025

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Sunny. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots becoming 10 to 20 knots
late in the evening, then veering north 15 to 20 knots after
midnight. Clear. Waves 1 to 2 feet building to 3 to 4 feet after
midnight.
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Sunny. Waves 3 to 4 feet subsiding to 1 to 3 feet
late in the afternoon.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots veering east
after midnight, then easing to 5 to 10 knots early in the
morning. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming southeast 10 to 15 knots in
the afternoon. Sunny. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ645-080900-
North Point Light to Wind Point WI-
313 PM CDT Tue Oct 7 2025

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Sunny. Waves
2 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming north 15 to 20 knots after midnight. Clear.
Waves 1 to 2 feet building to 3 to 4 feet after midnight.
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Sunny. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots veering east
early in the morning. Mostly clear. Waves 1 to 3 feet building to
2 to 4 feet after midnight.
.THURSDAY...Southeast wind 10 to 15 knots. Sunny. Waves 2 to
4 feet.

Wave heights are for ice free areas.

$$
LMZ646-080900-
Wind Point WI to Winthrop Harbor IL-
313 PM CDT Tue Oct 7 2025

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Sunny. Waves
2 to 4 feet.
.TONIGHT...North wind 10 to 15 knots backing northwest with gusts
to around 20 knots late in the evening, then veering north 10 to
20 knots after midnight becoming 15 to 20 knots early in the
morning. Clear. Waves 1 to 2 feet building to 3 to 4 feet after
midnight.
.WEDNESDAY...North wind 10 to 15 knots veering northeast in the
afternoon. Sunny. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots veering east
early in the morning. Mostly clear. Waves 1 to 3 feet building to
2 to 4 feet in the late evening and overnight.
.THURSDAY...Southeast wind 10 to 15 knots. Sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon.

Wave heights are for ice free areas.

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