522
FZUS53 KLOT 110814
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
314 AM CDT Sat Oct 11 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>742-111515-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
314 AM CDT Sat Oct 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Northeast winds 15 to 25 kt diminishing to 10 to 15 kt.
Partly cloudy in the morning, then becoming mostly cloudy. Waves
3 to 6 ft subsiding to 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming southeast
overnight. Partly cloudy in the evening then clearing. Waves 2 to
4 ft.
.SUNDAY...Southeast winds 10 to 15 kt. Mostly sunny. Waves 2 to 4
ft.
.SUNDAY NIGHT...Southeast winds 10 to 15 kt. Mostly clear in the
evening, then becoming partly cloudy. Waves 2 to 4 ft.

$$

LMZ743>745-111515-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
314 AM CDT Sat Oct 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.TODAY...Northeast winds 15 to 25 kt diminishing to 10 to 15 kt.
Mostly sunny in the morning, then becoming partly cloudy. Waves 4
to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming southeast
overnight. Mostly clear. Waves 2 to 4 ft.
.SUNDAY...Southeast winds 10 to 15 kt. Sunny. Waves 1 to 3 ft.
.SUNDAY NIGHT...Southeast winds 10 to 15 kt. Mostly clear in the
evening, then becoming partly cloudy. Waves 1 to 3 ft.

$$