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FZUS53 KMKX 180206
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
905 PM CDT Sun Aug 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-181000-
Sheboygan to Port Washington WI-
905 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots veering
southeast 10 to 20 knots with gusts to around 25 knots after
midnight, then becoming 15 to 20 knots early in the morning.
Partly cloudy just before midnight then becoming mostly cloudy.
Waves 4 to 6 feet building to 5 to 7 feet early in the morning.
.MONDAY...Southeast wind 15 to 20 knots veering south in the
afternoon. Chance of showers through the day. Chance of
thunderstorms in the afternoon. Waves 5 to 7 feet subsiding to
4 to 6 feet in the afternoon.
.MONDAY NIGHT...South wind 10 to 15 knots. Showers likely and a
chance of thunderstorms. Waves 2 to 4 feet.
.TUESDAY...Southwest wind 10 to 15 knots veering north late in
the afternoon. Chance of showers and slight chance of
thunderstorms through the day. Waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon.

$$
LMZ644-181000-
Port Washington to North Point Light WI-
905 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots veering east
10 to 20 knots after midnight, then veering southeast 15 to
20 knots early in the morning. Partly cloudy just before midnight
then becoming mostly cloudy. Waves 4 to 6 feet building to 5 to
7 feet early in the morning.
.MONDAY...Southeast wind 15 to 20 knots veering south early in
the afternoon, then becoming southeast 10 to 15 knots late in the
afternoon. Chance of showers through the day. Chance of
thunderstorms in the afternoon. Waves 5 to 7 feet subsiding to
3 to 4 feet.
.MONDAY NIGHT...Southeast wind 10 to 15 knots veering south early
in the morning. Showers likely and a chance of thunderstorms.
Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
.TUESDAY...Southwest wind 10 to 15 knots veering north late in
the afternoon. Chance of thunderstorms in the morning. Chance of
showers through the day. Waves 1 to 2 feet.

$$
LMZ645-181000-
North Point Light to Wind Point WI-
905 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots veering east
10 to 20 knots after midnight, then veering southeast 15 to
20 knots early in the morning. Partly cloudy just before midnight
then becoming mostly cloudy. Waves 3 to 5 feet building to 5 to
7 feet early in the morning.
.MONDAY...Southeast wind 15 to 20 knots becoming south 10 to
15 knots early in the afternoon, then backing southeast late in
the afternoon. Slight chance of showers in the morning, then
chance of showers and thunderstorms in the afternoon. Waves 5 to
7 feet subsiding to 3 to 4 feet.
.MONDAY NIGHT...Southeast wind 10 to 15 knots veering south early
in the morning. Showers likely through around midnight. Chance of
thunderstorms through the night. Chance of showers after
midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.TUESDAY...Southwest wind 10 to 15 knots veering north late in
the afternoon. Chance of thunderstorms in the morning. Chance of
showers through the day. Waves 1 to 2 feet.

$$
LMZ646-181000-
Wind Point WI to Winthrop Harbor IL-
905 PM CDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots veering east
10 to 20 knots after midnight, then veering southeast 15 to
20 knots early in the morning. Partly cloudy just before midnight
then becoming mostly cloudy. Waves 3 to 4 feet building to 4 to
6 feet early in the morning.
.MONDAY...Southeast wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then becoming southeast 10 to 15 knots
late in the afternoon. Slight chance of showers and thunderstorms
in the morning, then chance of showers and thunderstorms in the
afternoon. Waves 4 to 6 feet subsiding to 3 to 4 feet in the
afternoon.
.MONDAY NIGHT...Southeast wind 10 to 15 knots veering south early
in the morning. Showers likely and a chance of thunderstorms.
Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots veering north late in
the afternoon. Chance of showers and thunderstorms through the
day. Waves 1 to 2 feet.

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