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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
110 PM CDT Mon Oct 6 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-062200-
Sheboygan to Port Washington WI-
110 PM CDT Mon Oct 6 2025

.REST OF TODAY...North wind 10 to 15 knots. Scattered showers.
Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots. Numerous showers. Waves
1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots veering north early in
the afternoon, then backing northwest late in the afternoon.
Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Northwest wind 10 to 15 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
around 1 foot building to 2 to 4 feet in the late evening and
overnight.

$$
LMZ644-062200-
Port Washington to North Point Light WI-
110 PM CDT Mon Oct 6 2025

.REST OF TODAY...North wind 10 to 15 knots. Scattered showers
through the day. Slight chance of thunderstorms late in the
afternoon. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots. Numerous showers. Waves
1 to 3 feet building to 2 to 4 feet after midnight.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then becoming north 10 to 15 knots late
in the afternoon. Partly sunny in the morning then clearing.
Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
.TUESDAY NIGHT...Northwest wind 10 to 15 knots becoming 10 to
20 knots late in the evening, then veering north 15 to 20 knots
after midnight easing to 10 to 15 knots early in the morning.
Clear. Waves 1 to 2 feet building to 3 to 4 feet after midnight.

$$
LMZ645-062200-
North Point Light to Wind Point WI-
110 PM CDT Mon Oct 6 2025

.REST OF TODAY...Northwest wind 5 to 10 knots becoming north
10 to 15 knots late in the afternoon. Isolated showers early in
the afternoon, then scattered showers and a chance of
thunderstorms late in the afternoon. Waves 1 to 2 feet.
.TONIGHT...North wind 10 to 15 knots rising to 15 to 20 knots
after midnight. Numerous showers and slight chance of
thunderstorms. Waves 1 to 3 feet building to 3 to 4 feet after
midnight.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Slight chance of showers in the morning.
Waves 3 to 4 feet.
.TUESDAY NIGHT...Northwest wind 10 to 15 knots veering north
10 to 20 knots late in the evening, then becoming 15 to 20 knots
after midnight becoming north 15 to 20 knots early in the
morning. Clear. Waves 3 to 4 feet.

$$
LMZ646-062200-
Wind Point WI to Winthrop Harbor IL-
110 PM CDT Mon Oct 6 2025

.REST OF TODAY...Southwest wind 5 to 10 knots becoming north
10 to 15 knots late in the afternoon. Slight chance of
thunderstorms and isolated showers early in the afternoon, then
scattered showers and a chance of thunderstorms late in the
afternoon. Waves around 1 foot.
.TONIGHT...North wind 10 to 15 knots rising to 15 to 20 knots
early in the morning. Scattered showers and a chance of
thunderstorms through around midnight, then numerous showers and
slight chance of thunderstorms after midnight. Waves 1 to 2 feet
building to 2 to 4 feet after midnight.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Scattered showers in the morning. Waves
3 to 4 feet.
.TUESDAY NIGHT...North wind 10 to 15 knots rising to 15 to
20 knots after midnight, then veering northeast early in the
morning. Clear. Waves 2 to 4 feet subsiding to 1 to 2 feet late
in the evening, then building to 3 to 4 feet after midnight.

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