920
FZUS53 KLOT 302020
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
220 PM CST Sun Nov 30 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>742-010500-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
220 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
15 kt. Mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.
.MONDAY...West winds 10 to 15 kt becoming south in the afternoon.
Snow in the afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.MONDAY NIGHT...South winds 10 to 15 kt becoming west overnight.
Snow in the evening, then chance of snow overnight. Waves 1 to
2 ft.
.TUESDAY...West winds 10 to 15 kt. Slight chance of snow showers
in the afternoon. Waves 1 to 2 ft.

$$

LMZ743>745-010500-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
220 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Slight chance of snow showers in the evening. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 3 to 5 ft late.
.MONDAY...South winds 10 to 15 kt. Snow in the afternoon. Waves
2 to 4 ft subsiding to 1 to 3 ft.
.MONDAY NIGHT...Southeast winds 10 to 15 kt becoming southwest
overnight. Snow in the evening, then chance of snow overnight.
Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 15 kt. Slight chance of snow in the
morning, then slight chance of snow showers in the afternoon.
Waves 1 to 3 ft.

$$

Carlaw