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FZUS53 KMKX 172006
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
305 PM CDT Thu Apr 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-180900-
Sheboygan to Port Washington WI-
305 PM CDT Thu Apr 17 2025

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

.THROUGH EARLY EVENING...South wind 10 to 20 knots rising to
15 to 25 knots late in the afternoon. Cloudy with a 20 percent
chance of showers. Waves 6 to 8 feet.
.TONIGHT...South wind 15 to 25 knots becoming 15 to 20 knots
early in the morning. Gusts up to 30 knots. Rain showers likely
and a chance of thunderstorms. Waves 6 to 8 feet subsiding to
5 to 7 feet early in the morning.
.FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots
becoming south 10 to 15 knots in the late morning and early
afternoon, then veering southwest late in the afternoon. Chance
of showers and slight chance of thunderstorms in the morning,
then showers likely and a chance of thunderstorms in the
afternoon. Waves 4 to 6 feet subsiding to 3 to 4 feet.
.FRIDAY NIGHT...West wind 10 to 15 knots veering north in the
late evening and early morning, then backing northwest early in
the morning. Rain showers likely and a chance of thunderstorms
through around midnight, then chance of showers after midnight.
Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning.
.SATURDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then veering north late in the afternoon.
Partly sunny. Waves 1 to 2 feet.

$$
LMZ644-180900-
Port Washington to North Point Light WI-
305 PM CDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots becoming
south 15 to 25 knots late in the afternoon. Cloudy with chance of
showers and slight chance of thunderstorms. Waves 5 to 7 feet.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots in
the late evening and early morning, then becoming south 15 to
20 knots early in the morning. Gusts up to 30 knots. Chance of
showers until early morning. Chance of thunderstorms through the
night. Rain showers early in the morning. Waves 5 to 7 feet
subsiding to 4 to 6 feet early in the morning.
.FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 15 to 20 knots late in the afternoon. Slight
chance of thunderstorms in the morning. Chance of showers through
the day. Chance of thunderstorms in the afternoon. Waves 3 to
5 feet.
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots veering northwest late in the evening, then becoming
northwest 10 to 15 knots after midnight. Chance of thunderstorms
through around midnight. Rain showers likely through the night.
Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening
and overnight.
.SATURDAY...Northwest wind 5 to 10 knots becoming north 10 to
15 knots early in the afternoon, then veering northeast late in
the afternoon. Mostly cloudy. Waves around 1 foot.

$$
LMZ645-180900-
North Point Light to Wind Point WI-
305 PM CDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots becoming
south 15 to 25 knots late in the afternoon. Cloudy with chance of
showers and slight chance of thunderstorms. Waves 4 to 6 feet.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots
after midnight, then becoming south 15 to 20 knots early in the
morning. Gusts up to 30 knots. Chance of showers and slight
chance of thunderstorms through around midnight, then showers
likely and a chance of thunderstorms after midnight. Waves 4 to
6 feet subsiding to 3 to 5 feet early in the morning.
.FRIDAY...South wind 15 to 20 knots easing to 10 to 15 knots late
in the morning, then rising to 15 to 20 knots early in the
afternoon veering southwest late in the afternoon. Gusts up to
25 knots. Slight chance of thunderstorms in the morning. Chance
of showers through the day. Chance of thunderstorms in the
afternoon. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots veering northwest early in the morning. Chance of
thunderstorms through around midnight. Rain showers likely
through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet in
the late evening and overnight.
.SATURDAY...Northwest wind 5 to 10 knots becoming north 10 to
15 knots early in the afternoon, then veering northeast late in
the afternoon. Mostly cloudy. Waves around 1 foot.

$$
LMZ646-180900-
Wind Point WI to Winthrop Harbor IL-
305 PM CDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots veering
south late in the afternoon. Cloudy with chance of showers and
slight chance of thunderstorms. Waves 4 to 6 feet.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots
early in the morning. Gusts up to 30 knots. Chance of showers and
slight chance of thunderstorms through around midnight, then
showers likely and a chance of thunderstorms after midnight.
Waves 5 to 7 feet subsiding to 4 to 6 feet after midnight, then
subsiding to 3 to 5 feet early in the morning.
.FRIDAY...South wind 10 to 15 knots with gusts to around 25 knots
rising to 15 to 20 knots with gusts to around 25 knots early in
the afternoon, then veering southwest with gusts to around
30 knots late in the afternoon. Chance of showers in the morning.
Slight chance of thunderstorms through the day. Slight chance of
showers in the afternoon. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming west 10 to 15 knots with gusts to around
20 knots late in the evening, then veering northwest after
midnight becoming northwest 10 to 15 knots early in the morning.
Chance of thunderstorms through around midnight. Rain showers
likely through the night. Slight chance of thunderstorms after
midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.SATURDAY...Northwest wind 5 to 10 knots veering north late in
the morning, then rising to 10 to 15 knots early in the afternoon
veering northeast late in the afternoon. Mostly cloudy. Waves
around 1 foot.

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