Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 231507
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
907 AM CST Sun Feb 23 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>742-240000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
907 AM CST Sun Feb 23 2025

.REST OF TODAY...Southwest winds 10 to 15 kt becoming south.
Cloudy becoming partly cloudy in the afternoon. Waves 1 to 2 ft.
.TONIGHT...Southwest winds 10 to 15 kt increasing to 15 to 20 kt.
Mostly clear in the evening, then becoming mostly cloudy. Waves
1 to 3 ft.
.MONDAY...Southwest winds 15 to 25 kt. Mostly cloudy. Waves 2 to
4 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt becoming west. Chance
of showers. Waves 1 to 3 ft.

Wave heights are for ice free areas.

$$

LMZ743-744-240000-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
907 AM CST Sun Feb 23 2025

.REST OF TODAY...Southwest winds 10 to 15 kt becoming south.
Cloudy becoming partly cloudy in the afternoon. Waves around 1
ft.
.TONIGHT...South winds 10 to 20 kt becoming southwest. Mostly
clear in the evening, then becoming mostly cloudy. Waves 1 to
2 ft.
.MONDAY...Southwest winds 15 to 25 kt. Mostly cloudy. Waves 1 to
3 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt becoming west. Chance
of showers. Waves 1 to 2 ft.

Wave heights are for ice free areas.

$$

LMZ745-240000-
Burns Harbor to Michigan City IN-
907 AM CST Sun Feb 23 2025

.REST OF TODAY...South winds 10 to 15 kt. Mostly cloudy.
.TONIGHT...South winds 10 to 20 kt becoming southwest. Mostly
clear in the evening, then becoming mostly cloudy.
.MONDAY...Southwest winds 15 to 25 kt. Mostly cloudy.
.MONDAY NIGHT...Southwest winds 10 to 15 kt becoming west. Chance
of showers.

Waves omitted due to extensive ice coverage.

$$
DK