581
FZUS53 KLOT 212032
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
232 PM CST Fri Feb 21 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>742-220600-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
232 PM CST Fri Feb 21 2025

.TONIGHT...Southwest winds 10 to 15 kt increasing to 15 to 20 kt.
Clear. Waves 1 to 2 ft.
.SATURDAY...Southwest winds 15 to 25 kt. Mostly sunny. Waves 1 to
2 ft.
.SATURDAY NIGHT...Southwest winds 10 to 15 kt. Partly cloudy in
the evening, then becoming mostly cloudy. Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 15 kt. Mostly cloudy in the
morning, then becoming partly cloudy. Waves around 1 ft.

Wave heights are for ice free areas.

$$

LMZ743>745-220600-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
232 PM CST Fri Feb 21 2025

.TONIGHT...Southwest winds 10 to 15 kt. Clear.
.SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to
25 kt. Mostly sunny.
.SATURDAY NIGHT...Southwest winds 10 to 15 kt. Partly cloudy in
the evening, then becoming mostly cloudy.
.SUNDAY...Southwest winds 10 to 15 kt. Mostly cloudy in the
morning, then becoming partly cloudy.

Waves omitted due to extensive ice coverage

$$

KJB