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FZUS53 KLOT 040851
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
351 AM CDT Mon Aug 4 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>742-042145-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
351 AM CDT Mon Aug 4 2025

.EARLY THIS MORNING...East winds 5 to 10 kt. Patchy fog. Waves 1
to 2 ft.
.TODAY...East winds 5 to 10 kt increasing to 10 to 15 kt in the
afternoon. Increasing cloudiness. Waves 1 to 2 ft.
.TONIGHT...East winds 5 to 10 kt. Partly cloudy. Waves 1 to 2 ft.
.TUESDAY...East winds 5 to 10 kt becoming northeast in the
afternoon. Mostly sunny. Waves 1 to 2 ft.
.TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Mostly
clear. Waves around 1 ft.

$$

LMZ743>745-042145-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
351 AM CDT Mon Aug 4 2025

.TODAY...East winds 5 to 10 kt becoming northeast in the afternoon.
Mostly cloudy. Waves 1 to 2 ft.
.TONIGHT...Northeast winds 5 to 10 kt becoming east after midnight.
Partly cloudy. Waves 1 to 2 ft.
.TUESDAY...East winds 5 to 10 kt becoming northeast in the
afternoon. Mostly sunny. Waves around 1 ft.
.TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Mostly clear. Waves around 1 ft.

$$

DK