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FZUS53 KMKX 292210
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
510 PM CDT Mon Sep 29 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-300400-
Sheboygan to Port Washington WI-
510 PM CDT Mon Sep 29 2025

.TONIGHT...South wind 5 to 10 knots easing to 5 knots late in the
evening, then veering north after midnight veering northeast
early in the morning. Patchy fog after midnight. Waves around
1 foot.
.TUESDAY...Northeast wind 5 to 10 knots rising to 10 to 15 knots
in the afternoon. Partly sunny. Waves around 1 foot.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots becoming east
15 to 20 knots after midnight. Partly cloudy through around
midnight then becoming mostly cloudy. Waves 1 to 2 feet building
to 4 to 6 feet.
.WEDNESDAY...East wind 10 to 15 knots veering southeast late in
the morning, then becoming southeast 10 to 15 knots in the
afternoon. Mostly cloudy. Waves 3 to 5 feet subsiding to 3 to
4 feet in the late morning and afternoon.

$$
LMZ644-300400-
Port Washington to North Point Light WI-
510 PM CDT Mon Sep 29 2025

.TONIGHT...Southeast wind 5 to 10 knots becoming south late in
the evening, then veering northwest after midnight veering north
early in the morning. Patchy fog early in the morning. Waves
nearly calm.
.TUESDAY...North wind 5 to 10 knots veering northeast late in the
morning, then becoming northeast 5 to 10 knots early in the
afternoon rising to 10 to 15 knots late in the afternoon. Mostly
sunny. Waves around 1 foot.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots becoming 10 to
20 knots late in the evening, then veering east 15 to 20 knots
after midnight. Partly cloudy through around midnight then
becoming mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet
in the late evening and overnight.
.WEDNESDAY...East wind 10 to 15 knots veering southeast in the
late morning and early afternoon, then backing east late in the
afternoon. Partly sunny. Waves 4 to 6 feet subsiding to 3 to
4 feet in the afternoon.

$$
LMZ645-300400-
North Point Light to Wind Point WI-
510 PM CDT Mon Sep 29 2025

.TONIGHT...Southeast wind 5 to 10 knots easing to 5 knots late in
the evening, then backing north after midnight becoming north
5 knots early in the morning. Mostly clear. Waves nearly calm.
.TUESDAY...Northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the afternoon. Mostly sunny. Waves around 1 foot.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots rising to 15 to
20 knots late in the evening, then veering east 10 to 20 knots
after midnight becoming 15 to 20 knots early in the morning.
Partly cloudy through around midnight then becoming mostly
cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the late
evening and overnight.
.WEDNESDAY...East wind 15 to 20 knots easing to 10 to 15 knots in
the late morning and early afternoon, then becoming east 10 to
15 knots late in the afternoon. Partly sunny. Waves 4 to 6 feet
subsiding to 3 to 4 feet in the afternoon.

$$
LMZ646-300400-
Wind Point WI to Winthrop Harbor IL-
510 PM CDT Mon Sep 29 2025

.TONIGHT...East wind 5 to 10 knots easing to 5 knots late in the
evening, then backing north after midnight rising to 5 to
10 knots early in the morning. Patchy fog after midnight. Waves
nearly calm.
.TUESDAY...Northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the afternoon. Patchy fog in the morning. Waves around
1 foot.
.TUESDAY NIGHT...Northeast wind 10 to 15 knots rising to 15 to
20 knots late in the evening, then veering east after midnight
becoming east 15 to 20 knots early in the morning. Partly cloudy
through around midnight then becoming mostly cloudy. Waves 1 to
2 feet building to 4 to 6 feet.
.WEDNESDAY...East wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming east 10 to 15 knots in the
afternoon. Mostly cloudy. Waves 4 to 6 feet subsiding to 3 to
4 feet in the late morning and afternoon.

$$
See Lake Michigan Open Waters Forecast for Thursday through Saturday.