Expires:202507170915;;571887
FZUS53 KLOT 170238
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
938 PM CDT Wed Jul 16 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>743-170915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
938 PM CDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THURSDAY THROUGH
LATE THURSDAY NIGHT...

.REST OF TONIGHT...West winds 15 to 25 kt late this evening 
becoming northwest 15 to 20 kt after midnight. Mostly cloudy. 
Waves 1 to 2 ft building to 3 to 5 ft.
.THURSDAY...Northwest winds 15 to 20 kt becoming north and 
increasing to 15 to 25 kt in the afternoon. Mostly cloudy. Waves 
building to 3 to 6 ft occasionally to 8 ft.
.THURSDAY NIGHT...North winds 15 to 25 kt becoming northeast
10 to 20 kt. Mostly cloudy in the evening, then becoming partly
cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5
ft late.
.FRIDAY...Northeast winds 10 to 15 kt becoming east around 10 kt.
Mostly sunny in the morning, then becoming partly cloudy. Waves 2
to 4 ft subsiding to 1 to 3 ft. 

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