National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 241440
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
940 AM CDT Sun May 24 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>742-242115
Winthrop Harbor to Wilmette Harbor IL
Wilmette Harbor to Northerly Island IL
Northerly Island to Calumet Harbor IL
940 AM CDT Sun May 24 2026

REST OF TODAY
North winds around 10 kt becoming southeast in the afternoon. Scattered showers late in the morning, then becoming mostly sunny. Waves around 1 ft.

TONIGHT
Southeast winds around 10 kt becoming south overnight. Patchy fog. Waves around 1 ft.

MONDAY
South winds 10 to 15 kt becoming southeast in the afternoon. Patchy fog in the morning. Waves 1 to 2 ft.

MONDAY NIGHT
South winds around 10 kt. Mostly clear. Waves 1 to 2 ft.

LMZ743>745-242115
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN
Burns Harbor to Michigan City IN
940 AM CDT Sun May 24 2026

REST OF TODAY
Northwest winds around 10 kt becoming east in the afternoon. Showers through noon, then becoming mostly sunny. Waves around 1 ft.

TONIGHT
East winds around 10 kt becoming south overnight. Patchy fog. Waves around 1 ft.

MONDAY
South winds around 10 kt becoming southeast in the afternoon. Patchy fog in the morning. Waves around 1 ft.

MONDAY NIGHT
Southeast winds around 10 kt becoming south. Mostly clear. Waves around 1 ft.

Kluber