Expires:202608130900;;075937
FZUS53 KMKX 122010
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
310 PM CDT Wed Aug 12 2026

For waters within five nautical miles of shore on Lake Michigan


LMZ646-130900-
Wind Point WI to Winthrop Harbor IL-
310 PM CDT Wed Aug 12 2026

.THROUGH EARLY EVENING...East wind 5 to 10 knots backing
northeast late in the afternoon. Mostly cloudy. Waves nearly
calm. 
.TONIGHT...Northeast wind 5 to 10 knots backing north late in the
evening, then becoming northeast after midnight rising to 5 to
10 knots early in the morning. Patchy fog after midnight. Waves
nearly calm. 
.THURSDAY...Northeast wind 5 to 10 knots veering east in the
afternoon. Patchy fog in the morning. slight chance of showers in
the morning, then showers likely in the afternoon. Waves around
1 foot. 
.THURSDAY NIGHT...East wind 5 to 10 knots backing northeast after
midnight, then rising to 10 to 15 knots early in the morning.
Chance of showers. Waves around 1 foot. 
.FRIDAY...East wind 10 to 15 knots. Chance of showers through the
day. Waves 1 to 3 feet. 

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See Lake Michigan Open Waters Forecast for Saturday through Monday.