172
FZUS53 KLOT 090319
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
919 PM CST Mon Dec 8 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>743-091100-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
919 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...South winds 20 to 25 kt becoming southwest and
increasing to 30 kt. A few flurries late in the evening, then
scattered snow showers after midnight. Waves 3 to 5 ft.
.TUESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt.
Cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TUESDAY NIGHT...Southwest winds 15 to 25 kt increasing to gales
to 35 kt in the evening then becoming west overnight. Rain. Waves
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...Northwest gales to 35 kt diminishing to 30 kt in
the afternoon. Snow and rain in the morning, then chance of snow
in the afternoon. Waves building to 6 to 9 ft occasionally to 12
ft.

$$

LMZ744-745-091100-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
919 PM CST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
AFTERNOON...

.REST OF TONIGHT...South winds 15 to 25 kt becoming southwest and
increasing to 30 kt. Scattered snow showers after midnight. Waves
1 to 3 ft building to 3 to 5 ft.
.TUESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt.
Cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5
ft.
.TUESDAY NIGHT...Southwest winds 15 to 25 kt increasing to gales
to 35 kt in the evening then becoming west overnight. Rain. Waves
building to 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...West gales to 40 kt becoming northwest and
diminishing to 30 kt in the afternoon. Rain and snow in the
morning, then snow likely and slight chance of rain in the
afternoon. Waves building to 8 to 12 ft occasionally to 16 ft.

$$

Carlaw