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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
505 AM CDT Mon May 20 2024

For waters within five nautical miles of shore on Lake Michigan

LMZ643-201600-
Sheboygan to Port Washington WI-
505 AM CDT Mon May 20 2024

.TODAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming southeast 10 to 15 knots early
in the afternoon veering south late in the afternoon. Chance of
showers until late afternoon. Chance of thunderstorms through the
day. Rain showers likely late in the afternoon. Waves around
1 foot.
.TONIGHT...Southwest wind 10 to 15 knots becoming west 5 to
10 knots in the late evening and overnight. Chance of showers and
thunderstorms through around midnight. Waves 1 to 2 feet.
.TUESDAY...East wind 5 to 10 knots rising to 10 to 15 knots with
gusts to around 20 knots late in the afternoon. Chance of showers
in the morning. Slight chance of thunderstorms through the day.
Slight chance of showers in the afternoon. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southeast wind 15 to 20 knots veering south late
in the evening, then becoming 15 to 25 knots after midnight
veering southwest early in the morning. Rain showers and a chance
of thunderstorms. Waves 4 to 6 feet. A small craft advisory may
be needed.

$$
LMZ644-201600-
Port Washington to North Point Light WI-
505 AM CDT Mon May 20 2024

.TODAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming southeast 10 to 15 knots early
in the afternoon veering south late in the afternoon. Chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering west after midnight becoming
west 5 to 10 knots early in the morning. Showers and
thunderstorms likely through around midnight, then slight chance
of showers and thunderstorms after midnight. Waves around 1 foot.
.TUESDAY...Southeast wind 5 to 10 knots backing east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
rising to 10 to 15 knots with gusts to around 20 knots late in
the afternoon. Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of thunderstorms in the
afternoon. Waves around 1 foot.
.TUESDAY NIGHT...Southeast wind 15 to 20 knots veering south late
in the evening, then becoming 15 to 25 knots after midnight
veering southwest early in the morning. Chance of showers and
thunderstorms. Waves 1 to 2 feet building to 2 to 4 feet in the
late evening and overnight. A small craft advisory may be needed.

$$
LMZ645-201600-
North Point Light to Wind Point WI-
505 AM CDT Mon May 20 2024

.TODAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming southeast 10 to 15 knots early
in the afternoon veering south late in the afternoon. Slight
chance of showers and thunderstorms in the morning, then showers
likely and a chance of thunderstorms in the afternoon. Waves
around 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering west after midnight backing
southwest early in the morning. Rain showers likely and a chance
of thunderstorms through around midnight, then slight chance of
showers and thunderstorms after midnight. Waves around 1 foot.
.TUESDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
with gusts to around 20 knots in the afternoon. Chance of showers
and thunderstorms. Waves around 1 foot.
.TUESDAY NIGHT...Southeast wind 15 to 20 knots veering south late
in the evening, then becoming 15 to 25 knots after midnight
veering southwest early in the morning. Showers and thunderstorms
likely. Waves 3 to 4 feet. A small craft advisory may be needed.

$$
LMZ646-201600-
Wind Point WI to Winthrop Harbor IL-
505 AM CDT Mon May 20 2024

.TODAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots in
the late morning and early afternoon, then veering south late in
the afternoon. Slight chance of showers and thunderstorms in the
morning, then showers likely and a chance of thunderstorms in the
afternoon. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering west after midnight backing
southwest early in the morning. Rain showers likely and a chance
of thunderstorms through around midnight, then slight chance of
showers and thunderstorms after midnight. Waves around 1 foot.
.TUESDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots
in the afternoon. Chance of showers and thunderstorms through the
day. Waves around 1 foot.
.TUESDAY NIGHT...Southeast wind 15 to 20 knots veering south late
in the evening, then veering southwest 10 to 20 knots after
midnight becoming 15 to 20 knots early in the morning. Gusts up
to 25 knots. Showers and thunderstorms likely. Waves 3 to 4 feet.

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