Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
705 PM CDT Tue May 21 2024

For waters within five nautical miles of shore on Lake Michigan

LMZ643-220400-
Sheboygan to Port Washington WI-
706 PM CDT Tue May 21 2024

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

.TONIGHT...Southeast wind 15 to 25 knots becoming south up to
30 knots late in the evening, then easing to 15 to 25 knots after
midnight veering southwest early in the morning. Isolated showers
and thunderstorms in the evening, then showers and numerous
thunderstorms late in the evening. Scattered showers and
thunderstorms after midnight. Waves 4 to 6 feet building to 7 to
9 feet in the late evening and early morning, then subsiding to
5 to 7 feet early in the morning.
.WEDNESDAY...Southwest wind 15 to 20 knots becoming 10 to
20 knots late in the morning, then becoming 15 to 20 knots early
in the afternoon veering west late in the afternoon. Gusts up to
30 knots. Partly sunny in the morning then clearing. Waves 3 to
5 feet subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots backing southwest late in the evening, then easing to
5 to 10 knots after midnight. Clear. Waves around 1 foot.
.THURSDAY...Southwest wind 10 to 15 knots backing south with
gusts to around 20 knots late in the afternoon. Sunny. Waves
around 1 foot building to 2 to 4 feet late in the afternoon.

$$
LMZ644-220400-
Port Washington to North Point Light WI-
706 PM CDT Tue May 21 2024

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

.TONIGHT...South wind 15 to 25 knots veering southwest early in
the morning. Gusts up to 30 knots. Rain showers and numerous
thunderstorms late in the evening. Scattered showers and
thunderstorms after midnight. Waves 4 to 6 feet building to 6 to
8 feet late in the evening, then subsiding to 5 to 7 feet after
midnight subsiding to 4 to 6 feet early in the morning.
.WEDNESDAY...Southwest wind 15 to 20 knots veering west late in
the afternoon. Gusts up to 30 knots. Partly sunny in the morning
then clearing. Waves 3 to 4 feet subsiding to 1 to 2 feet in the
afternoon.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots in the late evening and
overnight. Clear. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then backing south early in the afternoon
becoming south 10 to 15 knots late in the afternoon. Sunny. Waves
around 1 foot.

$$
LMZ645-220400-
North Point Light to Wind Point WI-
706 PM CDT Tue May 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.TONIGHT...South wind 15 to 25 knots veering southwest early in
the morning. Gusts up to 30 knots. Numerous thunderstorms late in
the evening. Scattered showers in the late evening and early
morning. Scattered thunderstorms after midnight. Waves 4 to
6 feet building to 5 to 7 feet late in the evening, then
subsiding to 4 to 6 feet after midnight.
.WEDNESDAY...Southwest wind 15 to 20 knots veering west late in
the afternoon. Gusts up to 25 knots. Partly sunny in the morning
then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the evening,
then veering west after midnight backing southwest early in the
morning. Clear. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then backing south early in the afternoon
becoming south 10 to 15 knots late in the afternoon. Sunny. Waves
around 1 foot.

$$
LMZ646-220400-
Wind Point WI to Winthrop Harbor IL-
706 PM CDT Tue May 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.TONIGHT...South wind 15 to 25 knots veering southwest early in
the morning. Showers and thunderstorms late in the evening.
Scattered showers and thunderstorms after midnight. Waves 4 to
6 feet building to 5 to 7 feet late in the evening, then
subsiding to 4 to 6 feet after midnight subsiding to 3 to 4 feet
early in the morning.
.WEDNESDAY...Southwest wind 15 to 20 knots veering west early in
the afternoon, then easing to 10 to 15 knots late in the
afternoon. Gusts up to 25 knots. Partly sunny in the morning then
clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
morning and afternoon.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots in the late evening and
overnight. Clear. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Sunny. Waves around
1 foot.

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