307
FZUS53 KLOT 222106
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
306 PM CST Sat Nov 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>743-230430-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
306 PM CST Sat Nov 22 2025

.TONIGHT...Southwest winds 15 to 25 kt becoming northwest 15 to
20 kt late. Partly cloudy in the evening then clearing. Waves 1
to 3 ft.
.SUNDAY...Northwest winds 10 to 20 kt becoming west 10 to 15 kt
in the afternoon. Sunny. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt becoming south. Clear
in the evening, then becoming partly cloudy. Waves 1 to 2 ft.
.MONDAY...South winds 10 to 20 kt diminishing to around 15 kt.
Mostly cloudy. Waves 1 to 3 ft.

$$

LMZ744-745-230430-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
306 PM CST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH SUNDAY MORNING...

.TONIGHT...Southwest winds 15 to 25 kt becoming northwest 15 to
25 kt late. Mostly cloudy in the evening then clearing. Waves 1
to 3 ft building to 3 to 6 ft occasionally to 8 ft.
.SUNDAY...Northwest winds 15 to 25 kt becoming west and
diminishing to 10 to 15 kt. Sunny. Waves 3 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt becoming south. Clear
in the evening, then becoming partly cloudy. Waves 1 to 2 ft.
.MONDAY...South winds 10 to 15 kt. Mostly cloudy. Waves 1 to
2 ft.

$$

Petr