525
FZUS53 KLOT 040853
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
253 AM CST Tue Nov 4 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>743-041630-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
253 AM CST Tue Nov 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY AFTERNOON...

.TODAY...Southwest winds 10 to 15 kt becoming south in the
afternoon. Mostly cloudy in the morning, then becoming partly
cloudy. Waves 1 to 3 ft.
.TONIGHT...South winds to 15 to 20 kt increasing quickly to 30 kt
and becoming southwest. A few gales to 35 kt overnight. Mostly
clear in the evening, then becoming partly cloudy. Waves 3 to 5
ft subsiding to 1 to 3 ft late.
.WEDNESDAY...West winds to 30 kt becoming northwest in the
afternoon. Partly cloudy in the morning then clearing. Waves 1 to
3 ft building to 3 to 5 ft.
.WEDNESDAY NIGHT...Northwest winds 10 to 20 kt. Mostly clear.
Waves 3 to 5 ft subsiding to 2 to 4 ft.

$$

LMZ744-745-041630-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
253 AM CST Tue Nov 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
WEDNESDAY NIGHT...

.TODAY...Southwest winds 10 to 15 kt becoming south in the
afternoon. Mostly cloudy in the morning, then becoming partly
cloudy. Waves 1 to 2 ft.
.TONIGHT...South winds to 15 to 20 kt increasing quickly to 30 kt
and becoming southwest. A few gales to 35 kt overnight. Mostly
clear in the evening, then becoming partly cloudy. Waves 2 to 4
ft.
.WEDNESDAY...West winds to 30 kt becoming northwest in the
afternoon. Partly cloudy in the morning then clearing. Waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 kt diminishing to
around 10 kt around daybreak. Mostly clear. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft late.

$$

Carlaw