Nearshore Marine Forecast
Issued by NWS Chicago, IL

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325
FZUS53 KLOT 162056
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
256 PM CST Sun Nov 16 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>743-170415-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
256 PM CST Sun Nov 16 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...Northwest winds 20 to 25 kt diminishing to 10 to 20
kt. Clear. Waves 3 to 5 ft subsiding to 2 to 4 ft overnight.
.MONDAY...Northwest winds 10 to 15 kt becoming southeast around
5 kt. A chance of sprinkles in the afternoon. Waves 2 to 4 ft
subsiding to 1 to 2 ft.
.MONDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to 20
kt overnight. Chance of rain in the evening, then rain overnight.
Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...East winds 15 to 20 kt. Rain. Waves 4 to 6 ft
occasionally to 8 ft.

$$

LMZ744-745-170415-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
256 PM CST Sun Nov 16 2025

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

.TONIGHT...Northwest winds 20 to 25 kt diminishing to 15 to 20 kt
late. Clear. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4
to 7 ft occasionally to 9 ft.
.MONDAY...Northwest winds 10 to 20 kt diminishing to 5 to 10 kt
and then becoming northeast late. A chance of sprinkles in
the afternoon. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.
.MONDAY NIGHT...East winds 5 to 10 kt increasing to 10 to 15 kt.
Chance of rain in the evening, then rain overnight. Waves 1 to 3
ft.
.TUESDAY...East winds 15 to 20 kt. Rain. Waves 1 to 3 ft.

$$

KJB