Expires:202507110315;;220455
FZUS53 KLOT 102025
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
325 PM CDT Thu Jul 10 2025

For waters within five nautical miles of shore on Lake Michigan

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


LMZ740>742-110315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
325 PM CDT Thu Jul 10 2025

.LATE THIS AFTERNOON...East winds 10 to 15 kt. Partly cloudy.
Waves 1 to 2 ft. 
.TONIGHT...East winds 5 to 10 kt becoming south late. Scattered
showers and thunderstorms in the evening, then numerous showers
and scattered thunderstorms after midnight. Some thunderstorms
may produce heavy rainfall. Waves 1 to 2 ft. 
.FRIDAY...South winds 10 to 15 kt becoming east late. Scattered
showers and thunderstorms. Some thunderstorms may produce heavy
rainfall in the morning. Waves 1 to 2 ft. 
.FRIDAY NIGHT...South winds around 10 kt. Scattered showers and
thunderstorms. Waves 1 to 2 ft. 
.SATURDAY...Southwest winds 10 to 15 kt. Chance of showers and
thunderstorms in the morning, then showers likely and numerous
thunderstorms in the afternoon. Waves 1 to 2 ft.  

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