Nearshore Marine Forecast
Issued by NWS Chicago, IL

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752
FZUS53 KLOT 291534 CCA
NSHLOT

Nearshore Marine Forecast...CORRECTED
National Weather Service Chicago/Romeoville IL
934 AM 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>742-292300-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
934 AM CST Sat Nov 29 2025

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

.REST OF TODAY...Southeast winds to 30 kt. Snow. Waves 1 to 3 ft
building to 6 to 9 ft occasionally to 12 ft.
.TONIGHT...Southeast winds to 30 kt becoming south 10 to 20 kt
after midnight, then shifting west to 30 kt by daybreak. Snow
and slight chance of rain. Waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 7 ft occasionally to 9 ft.
.SUNDAY...Northwest winds to 30 kt. Snow likely in the morning,
then slight chance of snow in the afternoon. Waves 4 to 7 ft
occasionally to 9 ft.
.SUNDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
15 kt. Slight chance of snow in the evening. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.

$$

LMZ743>745-292300-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
934 AM CST Sat Nov 29 2025

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

.REST OF TODAY...Southeast winds 20 to 25 kt increasing to 30 kt.
Snow. Waves 1 to 2 ft building to 3 to 5 ft.
.TONIGHT...Southeast winds to 30 kt becoming southwest after
midnight, then becoming west by daybreak. Snow and slight chance
of rain in the evening, then rain and snow overnight. Waves
building to 4 to 7 ft occasionally to 9 ft.
.SUNDAY...West winds to 30 kt becoming northwest. Occasional
gale gusts to 35 kt. Snow. Waves 8 to 11 ft occasionally to 14
ft.
.SUNDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to 20
kt. Slight chance of snow in the evening. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10
ft.

$$