FZUS53 KMKX 231210
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
710 AM CDT Sun Aug 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-231600-
Sheboygan to Port Washington WI-
710 AM CDT Sun Aug 23 2026

.TODAY...Northwest wind 10 to 20 knots becoming 15 to 20 knots in
the late morning and early afternoon, then becoming north 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Slight chance of waterspouts in the morning. Waves 1 to 2 feet. 
.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 10 to 15 knots becoming north 5 to
10 knots early in the afternoon, then veering east late in the
afternoon. Sunny. Waves around 1 foot. 
.MONDAY NIGHT...South wind 5 to 10 knots veering west early in
the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ644-231600-
Port Washington to North Point Light WI-
710 AM CDT Sun Aug 23 2026

.TODAY...Northwest wind 5 to 15 knots becoming 10 to 15 knots
with gusts to around 20 knots in the late morning and early
afternoon, then becoming northwest 10 to 15 knots late in the
afternoon. Slight chance of waterspouts in the morning. Waves
1 to 2 feet. 
.TONIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late
in the evening, then becoming north 5 to 10 knots after midnight.
Partly cloudy through around midnight then becoming clear. Waves
1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...Southwest wind 5 to 10 knots veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ645-231600-
North Point Light to Wind Point WI-
710 AM CDT Sun Aug 23 2026

.TODAY...Northwest wind 5 to 15 knots becoming 10 to 15 knots
late in the morning, then veering north in the afternoon. Slight
chance of waterspouts in the morning. Waves 2 to 4 feet subsiding
to 1 to 2 feet in the late morning and afternoon. 
.TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in
the late evening and early morning, then backing northwest early
in the morning. Partly cloudy through around midnight then
becoming clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...Southeast wind 5 to 10 knots veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ646-231600-
Wind Point WI to Winthrop Harbor IL-
710 AM CDT Sun Aug 23 2026

.TODAY...Northwest wind 5 to 15 knots becoming 10 to 15 knots
late in the morning, then veering north early in the afternoon
backing northwest late in the afternoon. Slight chance of
waterspouts in the morning. Waves 1 to 2 feet. 
.TONIGHT...North wind 5 to 10 knots backing northwest after
midnight. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...East wind 5 to 10 knots veering south late in the
evening, then veering southwest after midnight veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

$$
See Lake Michigan Open Waters Forecast for Tuesday through Thursday.