National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 101503
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
1003 AM CDT Thu Sep 10 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>745-110015
Winthrop Harbor to Wilmette Harbor IL
Wilmette Harbor to Northerly Island IL
Northerly Island to Calumet Harbor IL
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN
Burns Harbor to Michigan City IN
1003 AM CDT Thu Sep 10 2026

REST OF TODAY
North winds 10 to 15 kt becoming northeast in the afternoon. Mostly cloudy. Waves 1 to 2 ft.

TONIGHT
East winds around 10 kt becoming southeast overnight. Clear. Waves 1 to 2 ft.

FRIDAY
Southeast winds around 10 kt becoming east in the afternoon. Sunny. Waves 1 to 2 ft.

FRIDAY NIGHT
Southeast winds around 10 kt becoming south overnight. Partly cloudy. Waves 1 to 2 ft.

DK