Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 021457
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
957 AM 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>742-022130-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
957 AM CDT Sat Aug 2 2025

.REST OF TODAY...Northeast winds 5 to 10 kt. Partly cloudy. Waves
1 to 3 ft.
.TONIGHT...Northeast winds 5 to 10 kt. Mostly clear. Waves 1 to 2
ft.
.SUNDAY...Northeast winds 5 to 10 kt. Sunny. Waves around 1 ft.
.SUNDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Clear. Waves around 1 ft.

$$

LMZ743>745-022130-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
957 AM CDT Sat Aug 2 2025

.REST OF TODAY...Northeast winds 5 to 10 kt becoming north.
Partly cloudy late in the morning then clearing. Waves 1 to 3 ft.
.TONIGHT...Northeast winds 5 to 10 kt. Mostly clear. Waves 1 to 2
ft.
.SUNDAY...Northeast winds 5 to 10 kt. Sunny. Waves around 1 ft.
.SUNDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Clear. Waves around 1 ft.

$$

RC