Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 022012
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
312 PM CDT Sat Aug 2 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>742-030330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
312 PM CDT Sat Aug 2 2025

.TONIGHT...Northeast winds 5 to 10 kt. Mostly clear. Waves around
1 ft.
.SUNDAY...Northeast winds 5 to 10 kt. Hazy. Waves around 1 ft.
.SUNDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Hazy. Waves around 1 ft.
.MONDAY...East winds 5 to 10 kt. Mostly sunny. Waves around 1 ft.

$$

LMZ743>745-030330-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
312 PM CDT Sat Aug 2 2025

.TONIGHT...North winds 10 to 15 kt becoming southeast 5 to 10 kt
overnight. Mostly clear. Waves 1 to 2 ft subsiding to around 1 ft.
.SUNDAY...Southeast 5 to 10 kt becoming northeast in the
afternoon. Hazy. Waves around 1 ft.
.SUNDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Hazy. Waves around 1 ft.
.MONDAY...East winds 5 to 10 kt becoming northeast in the
afternoon. Mostly sunny in the morning, then becoming partly
cloudy. Waves around 1 ft.

$$

RC