486
FZUS53 KLOT 110901
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
301 AM CST Tue Nov 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>742-120000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
301 AM CST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CST THIS MORNING
THROUGH WEDNESDAY EVENING...

.EARLY THIS MORNING...Southwest winds 15 to 20 kt. Mostly cloudy.
Waves 3 to 5 ft.
.TODAY...Southwest winds 20 to 25 kt increasing to 30 kt with a
few gale force gusts to 35 kt in the afternoon. Chance
of light snow in the morning. Waves to 3 to 5 ft.
.TONIGHT...Southwest winds 20 to 25 kt becoming west. Partly
cloudy. Waves 2 to 4 ft.
.WEDNESDAY...West winds 20 to 25 kt. Sunny. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...West winds 15 to 20 kt diminishing to 10 to
15 kt. Partly cloudy. Waves 1 to 3 ft.

$$

LMZ743>745-120000-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
301 AM CST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

.EARLY THIS MORNING...Southwest winds 15 to 20 kt. Mostly cloudy.
Waves 4 to 6 ft occasionally to 8 ft.
.TODAY...Southwest winds 15 to 20 kt increasing to 30 kt. Chance
of light snow in the morning, then slight chance of light snow in
the afternoon. Waves 3 to 5 ft.
.TONIGHT...Southwest winds 20 to 25 kt becoming west to 30 kt
late. Partly cloudy in the evening, then becoming mostly clear.
Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY...West winds 20 to 25 kt. Mostly sunny. Waves 4 to 7
ft occasionally to 9 ft.
.WEDNESDAY NIGHT...West winds 15 to 25 kt diminishing to 10 to
20 kt. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 3 to 5 ft.

$$

DK