Nearshore Marine Forecast
Issued by NWS Chicago, IL

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949
FZUS53 KLOT 222053
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
253 PM CST Wed Jan 22 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>742-230415-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
253 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TONIGHT...Southwest winds 20 to 25 kt becoming west 15 to 20 kt
this evening. Snow likely in the evening, then chance of snow
after midnight. Waves 1 to 3 ft.
.THURSDAY...Northwest winds 15 to 25 kt. A chance of flurries in
the morning. Waves 2 to 4 ft.
.THURSDAY NIGHT...Northwest winds 10 to 15 kt becoming west.
Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.FRIDAY...West winds 10 to 15 kt becoming southwest in the
afternoon. Mostly sunny. Waves 1 to 2 ft.

Wave heights are for ice free areas.

$$

LMZ743>745-230415-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
253 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TONIGHT...Southwest winds 20 to 25 kt diminishing to 15 to
20 kt this evening. Snow likely in the evening, then chance of
snow after midnight. Waves 1 to 3 ft.
.THURSDAY...Northwest winds 15 to 25 kt. Chance of snow in the
morning, then slight chance of snow in the afternoon. Waves 4 to
6 ft occasionally to 8 ft. A Small Craft Advisory will likely be
needed.
.THURSDAY NIGHT...West winds 10 to 15 kt diminishing to 5 to
10 kt. Partly cloudy in the evening then clearing. Waves 3 to 6
ft occasionally to 8 ft subsiding to 2 to 4 ft.
.FRIDAY...Southwest winds 10 to 15 kt. Mostly sunny. Waves 1 to
3 ft.

Wave heights are for ice free areas.

$$

Yack