491
FZUS53 KLOT 130802
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
302 AM CDT Mon Jul 13 2026

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>742-131545-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
302 AM CDT Mon Jul 13 2026

.TODAY...West winds 5 to 10 kt becoming southeast around 10 kt in
the afternoon. Sunny. Waves 1 ft or less building to 1 to 2 ft.
.TONIGHT...South winds 10 to 15 kt becoming west overnight.
Clear. Waves 1 to 2 ft.
.TUESDAY...Northwest winds around 10 kt becoming southeast in the
afternoon. Sunny. Waves 1 ft or less.
.TUESDAY NIGHT...South winds around 10 kt becoming west
overnight. Clear. Waves 1 ft or less.

$$

LMZ743>745-131545-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
302 AM CDT Mon Jul 13 2026

.TODAY...West winds around 5 kt becoming east. Sunny. Waves 1 ft
or less.
.TONIGHT...Southeast winds around 10 kt becoming southwest
overnight. Clear. Waves 1 ft or less.
.TUESDAY...West winds around 10 kt becoming northeast in the
afternoon. Sunny. Waves 1 ft or less.
.TUESDAY NIGHT...South winds around 5 kt becoming west overnight.
Clear. Waves 1 ft or less.

$$

Carlaw