Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 161605
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1105 AM CDT Wed Jul 16 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-162200-
Sheboygan to Port Washington WI-
1105 AM CDT Wed Jul 16 2025

.REST OF TODAY...Southeast wind 5 to 10 knots becoming northeast
10 to 15 knots with gusts to around 20 knots late in the
afternoon. Slight chance of showers and thunderstorms early in
the afternoon, then chance of showers and thunderstorms late in
the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 15 to 20 knots backing northwest early
in the morning. Gusts up to 25 knots. Showers likely through
around midnight. Chance of thunderstorms through the night.
Chance of showers after midnight. Waves 3 to 4 feet building to
3 to 5 feet after midnight, then subsiding to 3 to 4 feet early
in the morning.
.THURSDAY...Northwest wind 15 to 20 knots veering northeast late
in the afternoon. Mostly cloudy. Waves 3 to 4 feet building to
4 to 6 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Mostly clear.
Waves 3 to 5 feet subsiding to 3 to 4 feet in the late evening
and overnight.

$$
LMZ644-162200-
Port Washington to North Point Light WI-
1105 AM CDT Wed Jul 16 2025

.REST OF TODAY...Southeast wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. Slight chance of showers and
thunderstorms early in the afternoon, then showers likely and a
chance of thunderstorms late in the afternoon. Waves around
1 foot.
.TONIGHT...North wind 10 to 15 knots becoming 10 to 20 knots late
in the evening, then backing northwest 15 to 20 knots after
midnight. Showers and a chance of thunderstorms through around
midnight, then chance of showers and slight chance of
thunderstorms after midnight. Waves 1 to 2 feet building to 3 to
4 feet after midnight.
.THURSDAY...Northwest wind 15 to 20 knots veering north 10 to
20 knots in the late morning and early afternoon, then veering
northeast 15 to 20 knots late in the afternoon. Mostly cloudy.
Waves 3 to 4 feet building to 4 to 6 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Mostly clear.
Waves 4 to 6 feet subsiding to 3 to 5 feet late in the evening,
then subsiding to 3 to 4 feet after midnight.

$$
LMZ645-162200-
North Point Light to Wind Point WI-
1105 AM CDT Wed Jul 16 2025

.REST OF TODAY...South wind 10 to 15 knots. Slight chance of
showers and thunderstorms early in the afternoon, then chance of
showers and thunderstorms late in the afternoon. Waves around
1 foot.
.TONIGHT...Southwest wind 10 to 15 knots veering northwest late
in the evening, then rising to 15 to 20 knots after midnight.
Showers likely and a chance of thunderstorms through around
midnight, then chance of showers and slight chance of
thunderstorms after midnight. Waves around 1 foot building to
3 to 4 feet after midnight.
.THURSDAY...North wind 15 to 20 knots becoming 10 to 20 knots
late in the morning, then becoming north 10 to 20 knots early in
the afternoon becoming 15 to 20 knots late in the afternoon.
Mostly cloudy. Waves 3 to 4 feet building to 5 to 7 feet.
.THURSDAY NIGHT...North wind 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. Partly cloudy.
Waves 5 to 7 feet subsiding to 3 to 4 feet.

$$
LMZ646-162200-
Wind Point WI to Winthrop Harbor IL-
1105 AM CDT Wed Jul 16 2025

.REST OF TODAY...South wind 10 to 15 knots. Slight chance of
showers and thunderstorms early in the afternoon, then chance of
showers and thunderstorms late in the afternoon. Waves around
1 foot.
.TONIGHT...Southwest wind 10 to 15 knots veering northwest with
gusts to around 20 knots after midnight. Showers likely and a
chance of thunderstorms through around midnight, then chance of
showers and slight chance of thunderstorms after midnight. Waves
1 to 2 feet building to 2 to 4 feet early in the morning.
.THURSDAY...Northwest wind 15 to 20 knots veering north 10 to
20 knots in the late morning and early afternoon, then becoming
15 to 20 knots late in the afternoon. Slight chance of showers in
the morning. Waves 3 to 4 feet building to 4 to 6 feet.
.THURSDAY NIGHT...North wind 10 to 15 knots veering northeast
early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding
to 3 to 4 feet.

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