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FZUS53 KMKX 041805
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
105 PM CDT Thu Sep 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-042200-
Sheboygan to Port Washington WI-
105 PM CDT Thu Sep 4 2025

...GALE WARNING IN EFFECT FROM 1 AM CDT FRIDAY THROUGH FRIDAY
MORNING...

.REST OF TODAY...West wind 10 to 15 knots becoming southwest
15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 15 to 20 knots backing south 15 to
25 knots with gusts to around 30 knots late in the evening, then
rising to gales to 35 knots after midnight veering southwest
early in the morning. Chance of showers through around midnight.
Rain showers likely after midnight. Waves 1 to 2 feet building to
6 to 8 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 early in the afternoon becoming west 15 to
25 knots late in the afternoon. Partly sunny. Waves 4 to 6 feet.
.FRIDAY NIGHT...West wind 15 to 25 knots becoming 15 to 20 knots
late in the evening, then becoming west 15 to 20 knots after
midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight.

$$
LMZ644-042200-
Port Washington to North Point Light WI-
105 PM CDT Thu Sep 4 2025

...GALE WARNING IN EFFECT FROM 1 AM CDT FRIDAY THROUGH FRIDAY
MORNING...

.REST OF TODAY...West wind 10 to 15 knots backing southwest with
gusts to around 20 knots late in the afternoon. Partly sunny.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots backing south 15 to
25 knots late in the evening, then rising to up to 30 knots with
gusts to around 35 knots after midnight veering southwest with
gusts to around 35 knots early in the morning. Slight chance of
showers through around midnight. Chance of showers after
midnight. Waves 1 to 2 feet building to 4 to 6 feet in the late
evening and overnight.
.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 early in the afternoon 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.
.FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots becoming west 15 to 20 knots after midnight, then easing
to 10 to 15 knots early in the morning. Mostly clear. Waves 1 to
2 feet.

$$
LMZ645-042200-
North Point Light to Wind Point WI-
105 PM CDT Thu Sep 4 2025

...GALE WARNING IN EFFECT FROM 1 AM CDT FRIDAY THROUGH FRIDAY
MORNING...

.REST OF TODAY...West wind 10 to 15 knots backing southwest with
gusts to around 20 knots late in the afternoon. Partly sunny.
Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 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
after midnight. Waves 1 to 2 feet building to 4 to 6 feet in the
late evening and overnight.
.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 in the afternoon. Partly sunny. Waves 3 to 5 feet
subsiding to 3 to 4 feet in the late morning and afternoon.
.FRIDAY NIGHT...West wind 15 to 20 knots easing to 10 to 15 knots
after midnight, then becoming west 10 to 15 knots early in the
morning. Mostly clear. Waves 1 to 2 feet.

$$
LMZ646-042200-
Wind Point WI to Winthrop Harbor IL-
105 PM CDT Thu Sep 4 2025

...GALE WARNING IN EFFECT FROM 1 AM CDT FRIDAY THROUGH FRIDAY
MORNING...

.REST OF TODAY...West wind 10 to 15 knots backing southwest late
in the afternoon. Partly sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots rising to 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
after midnight. Waves 1 to 2 feet building to 4 to 6 feet in the
late evening and overnight.
.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 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.
.FRIDAY NIGHT...West wind 15 to 20 knots becoming 10 to 20 knots
late in the evening, then becoming 10 to 15 knots after midnight
becoming west 10 to 15 knots early in the morning. Mostly clear.
Waves 1 to 2 feet.

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