Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 171805
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
105 PM CDT Thu Jul 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-172200-
Sheboygan to Port Washington WI-
105 PM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.REST OF TODAY...North wind 10 to 15 knots veering northeast late
in the afternoon. Partly sunny. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming northeast 5 to 10 knots after
midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight.
.FRIDAY...East wind 5 to 10 knots veering southeast late in the
afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots veering south after
midnight. Chance of showers and slight chance of thunderstorms
after midnight. Waves around 1 foot.

$$
LMZ644-172200-
Port Washington to North Point Light WI-
105 PM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.REST OF TODAY...North wind 10 to 15 knots veering northeast late
in the afternoon. Partly sunny. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves
3 to 4 feet subsiding to 1 to 3 feet early in the morning.
.FRIDAY...East wind 5 to 10 knots veering southeast in the
afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots veering south after
midnight, then backing southeast early in the morning. Chance of
showers and slight chance of thunderstorms after midnight. Waves
around 1 foot.

$$
LMZ645-172200-
North Point Light to Wind Point WI-
105 PM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.REST OF TODAY...North wind 10 to 15 knots veering northeast late
in the afternoon. Partly sunny. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves
3 to 4 feet.
.FRIDAY...East wind 10 to 15 knots easing to 5 to 10 knots late
in the morning, then becoming east 5 to 10 knots in the
afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots. Chance of showers
and slight chance of thunderstorms after midnight. Waves around
1 foot.

$$
LMZ646-172200-
Wind Point WI to Winthrop Harbor IL-
105 PM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.REST OF TODAY...North wind 10 to 15 knots veering northeast late
in the afternoon. Mostly cloudy. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves
3 to 4 feet.
.FRIDAY...East wind 10 to 15 knots easing to 5 to 10 knots late
in the morning, then becoming east 5 to 10 knots in the
afternoon. 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. Chance of showers and slight chance of
thunderstorms after midnight. Waves around 1 foot.

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