Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 302206
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
505 PM CDT Sun Mar 30 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-310400-
Sheboygan to Port Washington WI-
505 PM CDT Sun Mar 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...North wind 15 to 20 knots backing northwest 15 to
25 knots after midnight. Patchy fog in the evening. numerous
showers through the night. Snow showers after midnight. Waves
3 to 5 feet.
.MONDAY...North wind 15 to 25 knots becoming 15 to 20 knots in
the late morning and early afternoon, then easing to 10 to
15 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet
subsiding to 3 to 4 feet in the late morning and afternoon.
.MONDAY NIGHT...North wind 10 to 15 knots veering northeast early
in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and early morning, then building
to 2 to 4 feet early in the morning.
.TUESDAY...East wind 10 to 15 knots becoming east 10 to 15 knots
with gusts to around 20 knots in the afternoon. Partly sunny.
Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ644-310400-
Port Washington to North Point Light WI-
505 PM CDT Sun Mar 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...Northwest wind 10 to 15 knots rising to 15 to 20 knots
after midnight, then becoming 15 to 25 knots early in the
morning. Patchy fog in the evening. numerous showers through the
night. Numerous snow showers after midnight. Waves 3 to 4 feet
building to 3 to 5 feet early in the morning.
.MONDAY...North wind 15 to 20 knots easing to 10 to 15 knots late
in the afternoon. Mostly cloudy in the morning then clearing.
Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning
and afternoon.
.MONDAY NIGHT...North wind 10 to 15 knots veering northeast early
in the morning. Partly cloudy. Waves 2 to 4 feet.
.TUESDAY...East wind 10 to 15 knots rising to 15 to 20 knots in
the afternoon. Partly sunny. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ645-310400-
North Point Light to Wind Point WI-
505 PM CDT Sun Mar 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 10 to 15 knots late in the evening,
then rising to 15 to 20 knots after midnight becoming 15 to
25 knots early in the morning. Scattered showers through around
midnight, then numerous rain and snow showers after midnight.
Scattered rain and snow showers early in the morning. Waves 4 to
6 feet.
.MONDAY...North wind 15 to 20 knots. Mostly cloudy in the morning
then clearing. Waves 4 to 6 feet subsiding to 3 to 4 feet.
.MONDAY NIGHT...North wind 10 to 15 knots veering northeast early
in the morning. Partly cloudy. Waves 3 to 4 feet.
.TUESDAY...East wind 10 to 15 knots becoming east 10 to 15 knots
with gusts to around 20 knots early in the afternoon, then rising
to 15 to 20 knots late in the afternoon. Mostly sunny in the
morning then becoming mostly cloudy. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ646-310400-
Wind Point WI to Winthrop Harbor IL-
505 PM CDT Sun Mar 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...West wind 10 to 15 knots becoming northwest 15 to
20 knots after midnight, then becoming 15 to 25 knots early in
the morning. Scattered showers through around midnight, then
numerous showers and isolated snow showers after midnight.
Scattered rain and snow showers early in the morning. Waves 1 to
2 feet building to 3 to 5 feet after midnight.
.MONDAY...North wind 15 to 20 knots. Mostly cloudy in the morning
then becoming mostly sunny. Waves 3 to 5 feet subsiding to 3 to
4 feet late in the afternoon.
.MONDAY NIGHT...North wind 10 to 15 knots veering northeast early
in the morning. Partly cloudy. Waves 3 to 4 feet.
.TUESDAY...East wind 10 to 15 knots becoming east 10 to 15 knots
with gusts to around 20 knots late in the afternoon. Partly
sunny. Waves 2 to 4 feet.

Wave heights are for ice free areas.

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