879
FZUS53 KLOT 030857
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
257 AM CST Wed Dec 3 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>743-031615-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
257 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

.TODAY...Southwest winds 20 to 25 kt becoming northwest 15 to
20 kt in the afternoon. Slight chance of snow in the morning,
then chance of snow in the afternoon. Waves 2 to 4 ft.
.TONIGHT...Northwest winds 15 to 25 kt. Mostly cloudy in the
evening, then becoming partly cloudy. Waves 4 to 6 ft
occasionally to 8 ft.
.THURSDAY...Northwest winds 10 to 20 kt becoming west and
diminishing to around 10 kt in the afternoon. Partly cloudy in
the morning then clearing. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.
.THURSDAY NIGHT...Southwest winds 10 to 20 kt. Partly cloudy.
Waves 2 to 4 ft.

$$

LMZ744-745-031615-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
257 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...Southwest winds 20 to 25 kt becoming northwest in the
late afternoon. Chance of snow in the afternoon. Waves 2 to 4
ft.
.TONIGHT...Northwest winds 20 to 25 kt. Chance of snow in the
evening. Waves building to 6 to 9 ft occasionally to 12 ft.
.THURSDAY...Northwest winds 20 to 25 kt becoming west and
diminishing to 10 to 15 kt in the afternoon. Mostly cloudy in
the morning, then becoming partly cloudy. Waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to 8
ft.
.THURSDAY NIGHT...South winds 10 to 20 kt. Partly cloudy. Waves
2 to 4 ft.

$$