Nearshore Marine Forecast
Issued by NWS Chicago, IL

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013
FZUS53 KLOT 270325
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
925 PM CST Wed Nov 26 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>742-271030-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
925 PM CST Wed Nov 26 2025

...GALE WARNING IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...West gales to 40 kt becoming northwest to
35 kt. Cloudy. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.THURSDAY...Northwest gales to 35 kt. Mostly cloudy. Waves 4 to 6
ft occasionally to 8 ft subsiding to 3 to 5 ft.
.THURSDAY NIGHT...Northwest winds to 30 kt with occasional gales
to 35 kts diminishing to 20 to 25 kt. A few flurries in the
evening. Waves 4 to 6 ft occasionally to 8 ft.
.FRIDAY...Northwest winds 15 to 20 kt becoming west 10 to 15 kt.
Partly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft.

$$

LMZ743>745-271030-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
925 PM CST Wed Nov 26 2025

...GALE WARNING IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...West gales to 40 kt. A chance of flurries late
in the evening. Waves 10 to 14 ft occasionally to 18 ft subsiding
to 8 to 12 ft occasionally to 16 ft.
.THURSDAY...Northwest gales to 35 kt. Slight chance of snow
showers late in the afternoon. Waves 8 to 12 ft occasionally to
16 ft subsiding to 7 to 10 ft occasionally to 13 ft.
.THURSDAY NIGHT...Northwest winds to 30 kt with occasional gales
to 35 kts in the evening. Scattered snow showers. Waves 8 to 11
ft occasionally to 14 ft.
.FRIDAY...Northwest winds 15 to 25 kt becoming west 10 to 20 kt.
Isolated snow showers in the morning. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft.

$$

Ogorek