723
FZUS53 KLOT 090940
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
340 AM CST Sun Nov 9 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>742-092300-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
340 AM CST Sun Nov 9 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northeast winds to 30 kt becoming north
gales to 35 kt. Chance of snow and waterspouts. Waves 3 to 6 ft
occasionally to 8 ft.
.TODAY...North gales to 35 kt becoming northwest in the morning.
Snow showers with a chance of waterspouts in the morning. Waves 5
to 8 ft occasionally to 10 ft.
.TONIGHT...Northwest gales to 35 kt becoming north after midnight.
Thundersnow with a chance of waterspouts. Waves 10 to 14 ft
occasionally to 18 ft.
.MONDAY...North winds to 30 kt becoming northwest 20 to 25 kt in
the afternoon. Thundersnow with a chance of waterspouts in the
morning. Waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to
9 ft occasionally to 12 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt becoming west 15 to
20 kt. Slight chance of snow in the evening. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.

$$

LMZ743>745-092300-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
340 AM CST Sun Nov 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northeast winds 20 to 25 kt. Rain and snow. Waves
4 to 7 ft occasionally to 9 ft.
.TODAY...Northeast gales to 35 kt becoming northwest. Snow showers
with a chance of water spouts. Waves 6 to 9 ft occasionally to 12
ft building to 10 to 14 ft occasionally to 18 ft.
.TONIGHT...Northwest gales to 35 kt becoming northeast after
midnight. Thundersnow with a chance of waterspouts. Waves 10 to
14 ft occasionally to 18 ft building to 12 to 16 ft occasionally
to 21 ft.
.MONDAY...North winds to 30 kt becoming northwest 15 to 25 kt in
the afternoon. Thundersnow with a chance of waterspouts. Waves 10
to 14 ft occasionally to 18 ft subsiding to 8 to 12 ft
occasionally to 16 ft.
.MONDAY NIGHT...Northwest winds to 30 kt becoming west 15 to
25 kt. Chance of snow in the evening. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 5 to 8 ft occasionally to
10 ft.

$$

DK