286
FZUS53 KLOT 041508
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
908 AM CST Thu Dec 4 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>743-042215-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
908 AM CST Thu Dec 4 2025

.REST OF TODAY...Northwest winds 15 to 20 kt becoming southwest 5
to 10 kt. Partly cloudy. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.TONIGHT...Southwest winds 10 to 20 kt increasing to 15 to 25 kt.
Mostly clear in the evening, then becoming partly cloudy. Waves
1 to 3 ft building to 2 to 4 ft.
.FRIDAY...Southwest winds 15 to 20 kt. Mostly cloudy. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.FRIDAY NIGHT...Southwest winds 15 to 20 kt becoming west
overnight. Chance of snow in the evening, then slight chance of
snow overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft.

$$

LMZ744-745-042215-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
908 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.REST OF TODAY...North winds 15 to 20 kt becoming west and
diminishing to around 10 kt. Mostly cloudy. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft.
.TONIGHT...South winds 10 to 20 kt. Partly cloudy in the evening,
then becoming mostly cloudy. Waves 1 to 3 ft.
.FRIDAY...Southwest winds 15 to 20 kt becoming south. Mostly
cloudy. Waves 1 to 3 ft.
.FRIDAY NIGHT...Southwest winds 15 to 20 kt. Chance of snow in
the evening, then slight chance of snow overnight. Waves 2 to
4 ft.

$$

Borchardt