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FZUS53 KLOT 211441

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

941 AM CDT Sun Apr 21 2024



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>742-212115-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

941 AM CDT Sun Apr 21 2024



.REST OF TODAY...West winds 10 to 15 kt becoming southeast 5 to 

10 kt by mid-afternoon. Sunny. Waves 1 to 2 ft. 

.TONIGHT...West winds 10 to 15 kt diminishing to 5 to 10 kt.

Clear. Waves around 1 ft. 

.MONDAY...Southwest winds 10 to 15 kt increasing to 15 to 25 kt.

Sunny in the morning, then becoming partly cloudy. Waves 

building to 1 to 3 ft. 

.MONDAY NIGHT...Southwest winds 15 to 25 kt increasing to 30 kt. 

Chance of showers in the evening, then showers likely overnight. 

Waves 2 to 4 ft. A small craft advisory will likely be needed.



$$



LMZ743>745-212115-

Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-

Burns Harbor to Michigan City IN-

941 AM CDT Sun Apr 21 2024



.REST OF TODAY...West winds 10 to 15 kt becoming northeast 5 to 10

kt in the afternoon. Sunny. Waves 1 to 2 ft.

.TONIGHT...Southwest winds 5 to 10 kt. Clear. Waves around 1 ft. 

.MONDAY...Southwest winds 10 to 20 kt. Sunny in the morning, 

then becoming partly cloudy. Waves building to 1 to 3 ft. 

.MONDAY NIGHT...South winds 15 to 25 kt becoming southwest to 

30 kt. Showers likely overnight. Waves building to 2 to 4 ft. A 

small craft advisory will likely be needed.



$$



Kluber