National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 041502
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
1002 AM CDT Fri Apr 4 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>742-042130
Winthrop Harbor to Wilmette Harbor IL
Wilmette Harbor to Northerly Island IL
Northerly Island to Calumet Harbor IL
1002 AM CDT Fri Apr 4 2025

REST OF TODAY
East winds 10 to 15 kt becoming northeast late. Isolated showers in the afternoon. Waves 1 to 3 ft.

TONIGHT
Northeast winds 15 to 20 kt becoming north late. Showers with isolated thunderstorms. Waves 2 to 4 ft.

SATURDAY
North winds 15 to 20 kt. Isolated showers in the morning. Waves 2 to 4 ft.

SATURDAY NIGHT
North winds 15 to 20 kt. Mostly cloudy. Waves 2 to 4 ft.

LMZ743>745-042130
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN
Burns Harbor to Michigan City IN
1002 AM CDT Fri Apr 4 2025

REST OF TODAY
East winds 10 to 15 kt becoming northeast late. Numerous showers in the afternoon. Waves 1 to 2 ft.

TONIGHT
Northeast winds 15 to 20 kt becoming north late. Showers with isolated thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft.

SATURDAY
North winds 15 to 25 kt. Isolated showers. Waves 3 to 5 ft. A small craft advisory may be needed.

SATURDAY NIGHT
North winds 15 to 25 kt. Slight chance of showers in the evening. Waves 3 to 5 ft. A small craft advisory may be needed.

Yack