154
FZUS53 KLOT 071008
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
408 AM CST Sun Dec 7 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>742-071645-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
408 AM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH MONDAY MORNING...

.TODAY...North winds 10 to 20 kt increasing to 20 to 25 kt by
midday. Snow in the morning, then slight chance of snow showers
in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...Northeast winds 15 to 20 kt becoming east 10 to 15 kt
overnight. Chance of snow showers. Waves 4 to 6 ft occasionally
to 8 ft.
.MONDAY...South winds 10 to 15 kt. Mostly cloudy. Waves 3 to 6 ft
subsiding to 2 to 4 ft.
.MONDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Slight chance of snow in the evening, then chance of snow
overnight. Waves 3 to 5 ft building to 4 to 6 ft occasionally to
8 ft.

$$

LMZ743>745-071645-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
408 AM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM CST THIS MORNING
THROUGH MONDAY MORNING...

.TODAY...Northeast winds 10 to 20 kt becoming north 20 to 25 kt in
the afternoon. Snow in the morning, then chance of snow showers
in the afternoon. Waves 1 to 2 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...Northeast winds 15 to 20 kt becoming east 10 to 15 kt
overnight. Chance of snow showers in the evening. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 6 feet occasionally to 8
ft late.
.MONDAY...Southeast winds 10 to 15 kt becoming south in the
afternoon. Mostly cloudy in the morning, then becoming partly
cloudy. Waves 3 to 6 ft subsiding to 1 to 2 ft.
.MONDAY NIGHT...South winds 10 to 20 kt increasing to 30 kt.
Slight chance of snow overnight. Waves 2 to 4 ft building to 3 to
5 ft.

$$

Petr/Ogorek