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FZUS53 KMKX 040606
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
105 AM CDT Thu Sep 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-040900-
Sheboygan to Port Washington WI-
105 AM CDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots becoming west 10 to 15 knots
with gusts to around 20 knots early in the afternoon, then
becoming southwest 15 to 20 knots late in the afternoon. Sunny in
the morning then becoming partly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 15 to 20 knots becoming
southwest 15 to 20 knots with gusts to around 25 knots late in
the evening, then becoming south up to 30 knots with gusts to
around 35 knots after midnight veering southwest with gusts to
around 35 knots early in the morning. Chance of showers through
the night. Waves 1 to 2 feet building to 5 to 7 feet.
.FRIDAY...West wind up to 30 knots with gusts to around 35 knots
becoming west up to 30 knots late in the morning, then easing to
15 to 25 knots with gusts to around 30 knots early in the
afternoon becoming west 15 to 25 knots late in the afternoon.
Partly sunny. Waves 4 to 6 feet.

$$
LMZ644-040900-
Port Washington to North Point Light WI-
105 AM CDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots backing southwest with
gusts to around 20 knots late in the afternoon. Sunny in the
morning then becoming partly sunny. Waves around 1 foot.
.THURSDAY NIGHT...Southwest wind 10 to 15 knots rising to 15 to
20 knots with gusts to around 25 knots late in the evening, then
backing south 15 to 25 knots with gusts to around 35 knots after
midnight becoming southwest up to 30 knots with gusts to around
35 knots early in the morning. Slight chance of showers through
around midnight, then showers likely after midnight. Waves 1 to
2 feet building to 3 to 5 feet.
.FRIDAY...West wind up to 30 knots with gusts to around 35 knots
easing to 15 to 25 knots with gusts to around 30 knots in the
late morning and early afternoon, then becoming west 15 to
25 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet
subsiding to 3 to 4 feet in the late morning and afternoon.

$$
LMZ645-040900-
North Point Light to Wind Point WI-
105 AM CDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy.
Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning.
.THURSDAY...Northwest wind 10 to 15 knots backing southwest late
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 10 to 15 knots rising to 15 to
20 knots with gusts to around 25 knots late in the evening, then
backing south 15 to 25 knots with gusts to around 35 knots after
midnight becoming southwest up to 30 knots with gusts to around
35 knots early in the morning. Slight chance of showers through
around midnight, then chance of showers after midnight. Waves
1 to 2 feet building to 3 to 5 feet.
.FRIDAY...West wind up to 30 knots with gusts to around 35 knots
easing to 15 to 25 knots with gusts to around 30 knots in the
late morning and early afternoon, then easing to 10 to 20 knots
with gusts to around 25 knots late in the afternoon. Partly
sunny. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late
morning and afternoon.

$$
LMZ646-040900-
Wind Point WI to Winthrop Harbor IL-
105 AM CDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy.
Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning.
.THURSDAY...Northwest wind 10 to 15 knots backing southwest late
in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 10 to 15 knots becoming 10 to
20 knots with gusts to around 25 knots late in the evening, then
becoming south 15 to 25 knots with gusts to around 35 knots after
midnight becoming southwest up to 30 knots with gusts to around
35 knots early in the morning. Chance of showers after midnight.
Waves 1 to 2 feet building to 3 to 5 feet.
.FRIDAY...West wind 15 to 25 knots with gusts to around 35 knots
becoming west 15 to 25 knots with gusts to around 30 knots in the
late morning and early afternoon, then becoming 15 to 20 knots
with gusts to around 25 knots late in the afternoon. Partly
sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the
afternoon.

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