907
FZUS53 KMKX 200605
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
105 AM CDT Wed Aug 20 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-200900-
Sheboygan to Port Washington WI-
105 AM CDT Wed Aug 20 2025

.REST OF TONIGHT...North wind 5 to 10 knots rising to 10 to
15 knots early in the morning. Chance of sprinkles. Waves 1 to
3 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots in the late morning and early afternoon,
then rising to 15 to 20 knots late in the afternoon. Chance of
sprinkles. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast
late in the evening, then easing to 10 to 15 knots after midnight
becoming northeast 10 to 15 knots early in the morning. Mostly
clear. Waves 3 to 4 feet.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 2 to
4 feet subsiding to 1 to 2 feet in the late morning and
afternoon.

$$
LMZ644-200900-
Port Washington to North Point Light WI-
105 AM CDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...North wind 5 to 10 knots rising to 10 to
15 knots early in the morning. Chance of sprinkles. Waves 1 to
2 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots in the late morning and early afternoon,
then rising to 15 to 20 knots late in the afternoon. Chance of
sprinkles. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast
after midnight, then easing to 10 to 15 knots early in the
morning. Mostly clear. Waves 3 to 4 feet building to 3 to 5 feet
late in the evening, then subsiding to 3 to 4 feet after
midnight.
.THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots
early in the afternoon, then becoming northeast 5 to 10 knots
late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.

$$
LMZ645-200900-
North Point Light to Wind Point WI-
105 AM CDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...North wind 10 to 15 knots. Chance of
sprinkles. Waves 1 to 3 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots late in the morning, then rising to
15 to 20 knots early in the afternoon backing north late in the
afternoon. Chance of sprinkles. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast
after midnight, then easing to 10 to 15 knots early in the
morning. Mostly clear. Waves 4 to 6 feet subsiding to 3 to 4 feet
early in the morning.
.THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots
late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.

$$
LMZ646-200900-
Wind Point WI to Winthrop Harbor IL-
105 AM CDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...North wind 10 to 15 knots. Chance of
sprinkles. Waves 1 to 3 feet.
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots late in the morning, then rising to
15 to 20 knots early in the afternoon backing north late in the
afternoon. Chance of sprinkles. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast
after midnight, then easing to 10 to 15 knots early in the
morning. Mostly clear. Waves 3 to 5 feet building to 4 to 6 feet
in the late evening and early morning, then subsiding to 3 to
4 feet early in the morning.
.THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots
late in the afternoon. Sunny. Waves 3 to 4 feet subsiding to 1 to
3 feet in the afternoon.

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