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FZUS53 KMKX 171205
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
705 AM CDT Thu Jul 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-171600-
Sheboygan to Port Washington WI-
705 AM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...North wind 15 to 20 knots veering northeast late in the
afternoon. Gusts up to 25 knots. Cloudy in the morning then
becoming partly sunny. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots after midnight, then becoming
northeast 5 to 10 knots early in the morning. Mostly clear. Waves
3 to 4 feet subsiding to 1 to 3 feet early in the morning.
.FRIDAY...East wind 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and early afternoon, then easing to
5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots veering south early
in the morning. Chance of showers and slight chance of
thunderstorms through the night. Waves around 1 foot.

$$
LMZ644-171600-
Port Washington to North Point Light WI-
705 AM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...North wind 15 to 20 knots easing to 10 to 15 knots early
in the afternoon, then veering northeast late in the afternoon.
Cloudy in the morning then becoming partly sunny. Waves 3 to
4 feet.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots early in the morning. Mostly
clear. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late
evening and overnight.
.FRIDAY...Northeast wind 5 to 10 knots becoming east 10 to
15 knots late in the morning, then veering southeast early in the
afternoon easing to 5 to 10 knots late in the afternoon. Sunny.
Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots veering south early
in the morning. Slight chance of showers through around midnight.
Slight chance of thunderstorms through the night. Chance of
showers after midnight. Waves around 1 foot.

$$
LMZ645-171600-
North Point Light to Wind Point WI-
705 AM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...North wind 15 to 20 knots veering northeast late in the
afternoon. Cloudy in the morning then becoming partly sunny.
Waves 3 to 4 feet building to 4 to 6 feet late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then becoming northeast 10 to 15 knots after
midnight. Mostly clear. Waves 4 to 6 feet subsiding to 3 to
4 feet in the late evening and overnight.
.FRIDAY...Northeast wind 10 to 15 knots veering east late in the
morning, then becoming southeast 5 to 10 knots in the afternoon.
Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon.
.FRIDAY NIGHT...East wind 5 to 10 knots veering southeast early
in the morning. Slight chance of showers through around midnight.
Slight chance of thunderstorms through the night. Chance of
showers after midnight. Waves around 1 foot.

$$
LMZ646-171600-
Wind Point WI to Winthrop Harbor IL-
705 AM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 15 to 20 knots veering northeast late in
the afternoon. Cloudy in the morning then becoming partly sunny.
Waves 3 to 4 feet building to 3 to 5 feet late in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming northeast 10 to 15 knots early in the morning.
Partly cloudy. Waves 4 to 6 feet subsiding to 3 to 4 feet in the
late evening and overnight.
.FRIDAY...Northeast wind 10 to 15 knots veering east late in the
morning, then becoming southeast 5 to 10 knots early in the
afternoon backing east late in the afternoon. Mostly sunny. Waves
2 to 4 feet subsiding to 1 to 2 feet in the late morning and
afternoon.
.FRIDAY NIGHT...East wind 5 to 10 knots veering southeast early
in the morning. Slight chance of showers through around midnight.
Slight chance of thunderstorms through the night. Chance of
showers after midnight. Waves around 1 foot.

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