589
FZUS53 KLOT 261438
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
938 AM CDT Sat Apr 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>742-262115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
938 AM CDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...North winds 20 to 25 kt diminishing to 15 to
20 kt in the afternoon. Mostly cloudy late in the morning then
clearing. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to
6 ft occasionally to 8 ft in the afternoon.
.TONIGHT...North winds 10 to 15 kt becoming northeast 5 to 10 kt.
Mostly clear. Waves 3 to 5 ft subsiding to 1 to 3 ft overnight.
.SUNDAY...East winds 5 to 10 kt increasing to 10 to 15 kt. Partly
cloudy. Waves 1 to 3 ft.
.SUNDAY NIGHT...Southeast winds 10 to 15 kt becoming south
overnight. Slight chance of showers overnight. Waves 1 to 3 ft.

$$

LMZ743>745-262115-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
938 AM CDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...North winds to 30 kt diminishing to 15 to 25 kt
in the afternoon. Mostly cloudy late in the morning, then becoming
partly cloudy. Waves 6 to 9 ft occasionally to 12 ft subsiding to
4 to 7 ft occasionally to 9 ft.
.TONIGHT...North winds 15 to 20 kt becoming northeast and
diminishing to 5 to 10 kt. Mostly clear. Waves 3 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft overnight.
.SUNDAY...East winds 5 to 10 kt increasing to 10 to 15 kt. Mostly
sunny. Waves 1 to 3 ft.
.SUNDAY NIGHT...Southeast winds 10 to 15 kt becoming south
overnight. Mostly clear. Waves 1 to 2 ft.

$$

Petr