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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
710 AM CDT Tue Oct 7 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-071600-
Sheboygan to Port Washington WI-
710 AM CDT Tue Oct 7 2025

.TODAY...Northwest wind 10 to 15 knots veering north in the late
morning and early afternoon, then backing northwest late in the
afternoon. Slight chance of showers in the morning. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming 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 3 to 4 feet
in the late evening and overnight.
.WEDNESDAY...North wind 10 to 15 knots veering northeast early in
the afternoon, then easing to 5 to 10 knots late in the
afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in
the afternoon.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots veering southeast
early in the morning. Clear. Waves 1 to 2 feet.

$$
LMZ644-071600-
Port Washington to North Point Light WI-
710 AM CDT Tue Oct 7 2025

.TODAY...North wind 15 to 20 knots easing to 10 to 15 knots late
in the morning, then becoming north 10 to 15 knots in the
afternoon. Slight chance of showers in the morning. Waves 2 to
4 feet subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...Northwest wind 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. Clear. Waves 1 to
2 feet 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 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then veering east after midnight
veering southeast early in the morning. Mostly clear. Waves 1 to
2 feet.

$$
LMZ645-071600-
North Point Light to Wind Point WI-
710 AM CDT Tue Oct 7 2025

.TODAY...North wind 15 to 20 knots easing to 10 to 15 knots with
gusts to around 20 knots early in the afternoon, then becoming
north 10 to 15 knots late in the afternoon. Chance of showers in
the morning. Waves 3 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. Mostly clear. Waves
1 to 2 feet building to 4 to 6 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Sunny. Waves 3 to 5 feet subsiding to 3 to 4 feet
in the late morning and afternoon.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots veering
southeast early in the morning. Mostly clear. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.

$$
LMZ646-071600-
Wind Point WI to Winthrop Harbor IL-
710 AM CDT Tue Oct 7 2025

.TODAY...North wind 15 to 20 knots easing to 10 to 15 knots with
gusts to around 20 knots in the afternoon. Rain showers likely
and slight chance of thunderstorms in the morning. Waves 3 to
4 feet.
.TONIGHT...North wind 10 to 15 knots becoming northwest 15 to
20 knots late in the evening, then veering north after midnight
becoming north 15 to 20 knots early in the morning. Mostly clear.
Waves 1 to 2 feet building to 3 to 5 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the morning, then becoming northeast 10 to 15 knots in the
afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 3 to
4 feet in the late morning and afternoon.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots veering
southeast early in the morning. Mostly clear. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.

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