Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 300424
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
1024 PM CST Sat Nov 29 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>742-301015-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
1024 PM CST Sat Nov 29 2025

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

.REST OF TONIGHT...South winds to 30 kt becoming west overnight.
Occasional gale force gusts to 35 kt late in the evening. Snow
and slight chance of rain. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 3 to 5 ft.
.SUNDAY...Northwest winds to 30 kt. Snow showers in the morning,
then slight chance of snow showers in the afternoon. Waves 4 to 7
ft occasionally to 9 ft.
.SUNDAY NIGHT...Northwest winds 15 to 20 kt diminishing to 10 to
15 kt. Partly cloudy in the evening, then becoming mostly cloudy.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.MONDAY...West winds around 10 kt becoming southwest. Chance of
snow in the afternoon. Waves 1 to 3 ft.

$$

LMZ743>745-301015-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
1024 PM CST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.REST OF TONIGHT...South winds to 30 kt becoming west overnight.
Occasional gale force gusts to 35 kt late in the evening. Snow
and a chance of rain. Waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft.
.SUNDAY...West winds to 30 kt becoming northwest. Occasional
gale force gusts to 35 kt, mainly in the morning. Snow showers in
the morning, then chance of snow showers in the afternoon. Waves
8 to 11 ft occasionally to 14 ft.
.SUNDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to
20 kt. Chance of snow in the evening. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.MONDAY...Southwest winds 10 to 15 kt. Chance of snow in the
afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft.

$$

Ogorek