Station List

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National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 151936
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
236 PM CDT Tue Apr 15 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>743-160315
Winthrop Harbor to Wilmette Harbor IL
Wilmette Harbor to Northerly Island IL
Northerly Island to Calumet Harbor IL
Calumet Harbor IL to Gary IN
236 PM CDT Tue Apr 15 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING

LATE THIS AFTERNOON
Northwest winds to 30 kt with a few gale force gusts to 35 kt. Partly cloudy. Waves 3 to 5 ft.

TONIGHT
Northwest winds 20 to 25 kt diminishing to 15 to 20 kt after midnight. Decreasing cloudiness. Waves 2 to 4 ft.

WEDNESDAY
Northwest winds 10 to 15 kt becoming east late. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.

WEDNESDAY NIGHT
Southeast winds 10 to 15 kt. Increasing cloudiness. Waves 1 to 3 ft.

THURSDAY
Southeast winds 15 to 20 kt increasing to 20 to 25 kt. Chance of showers and thunderstorms in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.

LMZ744-745-160315
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN
236 PM CDT Tue Apr 15 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING

LATE THIS AFTERNOON
Northwest winds to 30 kt. Partly cloudy. Waves 4 to 7 ft occasionally to 9 ft.

TONIGHT
Northwest winds 20 to 25 kt becoming north 15 to 20 kt. Decreasing cloudiness. Waves 4 to 6 ft occasionally to 8 ft decreasing to 3 to 5 ft.

WEDNESDAY
Northwest winds 10 to 15 kt becoming northeast 5 to 10 kt late. Sunny. Waves 3 to 5 ft subsiding to 2 to 4 ft.

WEDNESDAY NIGHT
East winds 5 to 10 kt becoming southeast 10 to 15 kt overnight. Mostly clear. Waves 1 to 3 ft.

THURSDAY
Southeast winds 15 to 20 kt becoming south 20 to 25 kt. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft.

Borchardt