Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
705 AM CDT Fri Apr 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-041600-
Sheboygan to Port Washington WI-
705 AM CDT Fri Apr 4 2025

.TODAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots late in the afternoon. Slight chance of showers late in
the afternoon. Waves around 1 foot.
.TONIGHT...Northeast wind 10 to 15 knots backing north early in
the morning. Chance of showers through around midnight, then
showers likely after midnight. Waves 1 to 2 feet.
.SATURDAY...North wind 10 to 15 knots backing northwest with
gusts to around 20 knots late in the afternoon. Chance of showers
in the morning. Waves 1 to 2 feet.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots veering north
after midnight, then backing northwest early in the morning.
Partly cloudy. Waves 1 to 2 feet.

$$
LMZ644-041600-
Port Washington to North Point Light WI-
705 AM CDT Fri Apr 4 2025

.TODAY...East wind 5 to 10 knots rising to 10 to 15 knots late in
the morning, then easing to 5 to 10 knots early in the afternoon
becoming northeast 10 to 15 knots late in the afternoon. Slight
chance of showers late in the afternoon. Waves around 1 foot.
.TONIGHT...Northeast wind 10 to 15 knots backing north early in
the morning. Chance of showers through around midnight, then
showers likely after midnight. Waves 1 to 2 feet.
.SATURDAY...North wind 10 to 20 knots becoming 15 to 20 knots
late in the morning, then easing to 10 to 15 knots early in the
afternoon becoming north 10 to 15 knots late in the afternoon.
Chance of showers in the morning. Waves 2 to 4 feet.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots veering north
after midnight. Partly cloudy. Waves 1 to 2 feet.

$$
LMZ645-041600-
North Point Light to Wind Point WI-
705 AM CDT Fri Apr 4 2025

.TODAY...Northeast wind 5 to 10 knots becoming east 10 to
15 knots in the late morning and early afternoon, then backing
northeast late in the afternoon. Chance of showers late in the
afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north early in
the morning. Rain showers likely. Waves 1 to 3 feet building to
2 to 4 feet early in the morning.
.SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Chance of showers in the morning. Waves
2 to 4 feet.
.SATURDAY NIGHT...North wind 10 to 15 knots rising to 15 to
20 knots after midnight, then easing to 10 to 15 knots early in
the morning. Mostly cloudy through around midnight then becoming
partly cloudy. Waves 2 to 4 feet.

$$
LMZ646-041600-
Wind Point WI to Winthrop Harbor IL-
705 AM CDT Fri Apr 4 2025

.TODAY...Northeast wind 5 to 10 knots becoming east 10 to
15 knots late in the morning, then backing northeast early in the
afternoon becoming northeast 10 to 15 knots late in the
afternoon. Slight chance of showers early in the afternoon.
Chance of showers late in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north early in
the morning. Rain showers likely through around midnight, then
showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Chance of showers in the morning. Waves
2 to 4 feet.
.SATURDAY NIGHT...North wind 10 to 15 knots. Mostly cloudy
through around midnight then becoming partly cloudy. Waves 2 to
4 feet.

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