387
FZUS53 KLOT 311952
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
252 PM CDT Sun Aug 31 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>742-010330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
252 PM CDT Sun Aug 31 2025

.TONIGHT...Northeast winds around 10 kt becoming east 5 to 10 kt
late. Mostly clear. Waves around 1 ft.
.MONDAY...Southeast winds 5 to 10 kt becoming east in the
afternoon. Mostly sunny. Waves around 1 ft.
.MONDAY NIGHT...Northeast winds around 10 kt diminishing to 5 to
10 kt overnight. Mostly clear. Waves around 1 ft.
.TUESDAY...Northeast winds 5 to 10 kt becoming east. Mostly
sunny. Waves around 1 ft.

$$

LMZ743>745-010330-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
252 PM CDT Sun Aug 31 2025

.TONIGHT...Northeast winds around 10 kt becoming southeast 5 to
10 kt late. Mostly clear. Waves around 1 ft.
.MONDAY...Southeast winds 5 to 10 kt becoming northeast 10 to 15
kt in the afternoon. Mostly sunny. Waves around 1 ft.
.MONDAY NIGHT...Northeast winds 10 to 15 kt becoming east 5 to
10 kt overnight. Mostly clear. Waves around 1 ft.
.TUESDAY...Southeast winds 5 to 10 kt becoming northeast in the
afternoon. Sunny. Waves 1 around ft.

$$

Carlaw