Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
905 PM CDT Sat Jul 19 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-201000-
Sheboygan to Port Washington WI-
905 PM CDT Sat Jul 19 2025

.REST OF TONIGHT...North wind 5 to 10 knots rising to 10 to
15 knots with gusts to around 20 knots after midnight. Mostly
cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the
morning.
.SUNDAY...North wind 10 to 15 knots veering northeast in the late
morning and afternoon. Partly sunny. Waves 2 to 4 feet subsiding
to 1 to 3 feet late in the afternoon.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.
.MONDAY...East wind 10 to 15 knots backing northeast late in the
afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.

$$
LMZ644-201000-
Port Washington to North Point Light WI-
905 PM CDT Sat Jul 19 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north
10 to 15 knots after midnight. Slight chance of showers just
before midnight. Waves 1 to 2 feet.
.SUNDAY...North wind 10 to 15 knots veering northeast in the late
morning and afternoon. Partly sunny. Waves 2 to 4 feet.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots becoming northeast
10 to 15 knots with gusts to around 20 knots early in the
morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet
late in the evening, then building to 2 to 4 feet after midnight.
.MONDAY...East wind 10 to 15 knots with gusts to around 20 knots
becoming east 10 to 15 knots in the late morning and afternoon.
Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in
the afternoon.

$$
LMZ645-201000-
North Point Light to Wind Point WI-
905 PM CDT Sat Jul 19 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north
10 to 15 knots after midnight. Slight chance of showers just
before midnight. Waves 1 to 2 feet.
.SUNDAY...North wind 10 to 15 knots veering northeast in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots early in the morning. Partly cloudy.
Waves 2 to 4 feet.
.MONDAY...East wind 15 to 20 knots easing to 10 to 15 knots in
the late morning and early afternoon, then becoming east 10 to
15 knots late in the afternoon. Mostly sunny. Waves 3 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.

$$
LMZ646-201000-
Wind Point WI to Winthrop Harbor IL-
905 PM CDT Sat Jul 19 2025

.REST OF TONIGHT...West wind 5 to 10 knots veering northwest 5 to
15 knots after midnight, then veering north 10 to 15 knots early
in the morning. Slight chance of showers just before midnight.
Waves around 1 foot.
.SUNDAY...North wind 15 to 20 knots becoming northeast 10 to
15 knots in the late morning and afternoon. Slight chance of
showers. Waves 2 to 4 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots veering northeast early
in the morning. Partly cloudy. Waves 2 to 4 feet.
.MONDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon.

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