878
FZUS53 KLOT 111550
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
950 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>742-112230-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
950 AM CST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.REST OF TODAY...South winds 20 to 25 kt becoming southwest and
increasing to 30 kt. A few gale force gusts to 35 kt in the
afternoon. Slight chance of snow showers late in the morning.
Waves 2 to 4 ft building to 3 to 5 ft.
.TONIGHT...Southwest winds to 30 kt becoming west 20 to 25 kt.
Mostly clear. 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>745-112230-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
950 AM CST Tue Nov 11 2025

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

.REST OF TODAY...South winds 15 to 25 kt becoming southwest and
increasing to 30 kt this afternoon. A few gale force gusts to 35
kt in the afternoon. Slight chance of snow showers. Waves 3 to 5
ft.
.TONIGHT...Southwest winds to 30 kt becoming west 20 to 25 kt
overnight. 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.

$$

Yack