604
FZUS53 KLOT 032028
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
328 PM CDT Fri Oct 3 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>742-040315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
328 PM CDT Fri Oct 3 2025

.TONIGHT...Southeast winds around 10 kt becoming southwest late.
Mostly clear. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 15 kt. Mostly sunny. Waves 1 to
3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt. Clear. Waves 1 to
3 ft.
.SUNDAY...South winds around 20 kt. Sunny. Waves 1 to 3 ft
building to 2 to 4 ft.

$$

LMZ743>745-040315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
328 PM CDT Fri Oct 3 2025

.TONIGHT...Southeast winds 5 to 10 kt becoming south late. Mostly
clear. Waves around 1 ft.
.SATURDAY...South winds 10 to 15 kt. Mostly sunny. Waves around
1 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt. Clear. Waves 1 to
2 ft.
.SUNDAY...South winds 10 to 15 kt increasing to around 20 kt.
Sunny. Waves 1 to 2 ft.

$$

Ogorek