Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 042005
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
305 PM CDT Fri Jul 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-050900-
Sheboygan to Port Washington WI-
305 PM CDT Fri Jul 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Partly sunny
with a 20 percent chance of showers and thunderstorms. Waves 1 to
3 feet.
.TONIGHT...South wind 10 to 15 knots veering southwest early in
the morning. Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 10 to 15 knots backing south with
gusts to around 20 knots late in the morning, then rising to
15 to 20 knots with gusts to around 25 knots in the afternoon.
Slight chance of showers and thunderstorms in the afternoon.
Waves 1 to 2 feet building to 3 to 4 feet in the afternoon.
.SATURDAY NIGHT...South wind 15 to 20 knots with gusts to around
25 knots veering west early in the morning. Chance of
thunderstorms through around midnight. Showers through the night.
Slight chance of thunderstorms after midnight. Waves 3 to 4 feet
subsiding to 1 to 2 feet early in the morning.
.SUNDAY...West wind 10 to 15 knots veering northwest late in the
morning, then veering north with gusts to around 20 knots early
in the afternoon becoming northeast 15 to 20 knots late in the
afternoon. Chance of showers. Waves 1 to 2 feet building to 2 to
4 feet late in the afternoon.

$$
LMZ644-050900-
Port Washington to North Point Light WI-
305 PM CDT Fri Jul 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Partly sunny
with a 20 percent chance of showers and thunderstorms. Waves
around 1 foot.
.TONIGHT...South wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then veering southwest after midnight becoming
southwest 5 to 10 knots early in the morning. Partly cloudy.
Waves 1 to 2 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming south 15 to 20 knots early in the afternoon,
then becoming south 15 to 20 knots with gusts to around 25 knots
late in the afternoon. Slight chance of showers and thunderstorms
in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet late
in the afternoon.
.SATURDAY NIGHT...South wind 15 to 20 knots with gusts to around
25 knots veering southwest late in the evening, then becoming
southwest 15 to 20 knots after midnight becoming west 10 to
15 knots early in the morning. Showers and a chance of
thunderstorms. Waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight.
.SUNDAY...West wind 10 to 15 knots veering northwest late in the
morning, then veering north early in the afternoon becoming
northeast 15 to 20 knots late in the afternoon. Slight chance of
thunderstorms in the morning. Chance of showers through the day.
Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.

$$
LMZ645-050900-
North Point Light to Wind Point WI-
305 PM CDT Fri Jul 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Partly sunny
with a 20 percent chance of showers and thunderstorms. Waves
around 1 foot.
.TONIGHT...South wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then veering southwest after midnight rising to
10 to 15 knots early in the morning. Partly cloudy. Waves around
1 foot.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming south 15 to 20 knots early in the afternoon,
then becoming south 15 to 20 knots with gusts to around 25 knots
late in the afternoon. Sunny in the morning then becoming partly
sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming southwest 15 to 20 knots early in the
morning. Chance of showers and thunderstorms. Waves 1 to 2 feet.
.SUNDAY...West wind 10 to 15 knots veering northwest late in the
morning, then veering north early in the afternoon becoming
northeast 15 to 20 knots late in the afternoon. Chance of showers
and slight chance of thunderstorms. Waves 1 to 2 feet building to
2 to 4 feet late in the afternoon.

$$
LMZ646-050900-
Wind Point WI to Winthrop Harbor IL-
305 PM CDT Fri Jul 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Partly sunny
with a 20 percent chance of showers and thunderstorms. Waves
around 1 foot.
.TONIGHT...South wind 5 to 10 knots veering southwest early in
the morning. Mostly clear. Waves around 1 foot.
.SATURDAY...Southwest wind 10 to 15 knots backing south with
gusts to around 25 knots late in the afternoon. Sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming southwest 10 to 15 knots in the late
evening and overnight. Chance of showers and thunderstorms
through the night. Waves 1 to 2 feet.
.SUNDAY...West wind 10 to 15 knots veering northeast with gusts
to around 20 knots late in the afternoon. Chance of showers and
slight chance of thunderstorms. Waves 1 to 2 feet building to
2 to 4 feet late in the afternoon.

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