868
FZUS53 KLOT 051004
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
404 AM CST Fri Dec 5 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.

LMZ740-051645-
Winthrop Harbor to Wilmette Harbor IL-
404 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest winds 20 to 25 kt. Mostly cloudy. Waves 2 to
4 ft.
.TONIGHT...Southwest winds 20 to 25 kt becoming west 15 to 20 kt
overnight. Chance of snow and patchy freezing drizzle. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.SATURDAY...Northwest winds 10 to 15 kt. Mostly cloudy. Waves
1 to 2 ft.
.SATURDAY NIGHT...Northwest winds 5 to 10 kt. Slight chance of
snow in the evening, then snow likely overnight. Waves 1 to 2 ft.

$$

LMZ741-742-051645-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
404 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH
THIS EVENING...

.TODAY...Southwest winds 15 to 20 kt increasing to 20 to 25 kt.
Mostly cloudy. Waves 2 to 4 ft.
.TONIGHT...Southwest winds 20 to 25 kt becoming west 15 to 20 kt
overnight. Chance of snow and patchy freezing drizzle. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.SATURDAY...Northwest winds 10 to 15 kt. Mostly cloudy. Waves
1 to 2 ft.
.SATURDAY NIGHT...West winds around 5 to 10 kt. Slight chance of
snow in the evening, then snow likely overnight. Waves 1 to 2 ft.

$$

LMZ743>745-051645-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
404 AM CST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH
THIS EVENING...

.TODAY...Southwest winds 15 to 20 kt increasing to 20 to 25 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves 2
to 4 ft.
.TONIGHT...Southwest winds 20 to 25 kt becoming west 15 to
20 kt overnight. Slight chance of snow and patchy freezing
drizzle. Waves 2 to 4 ft.
.SATURDAY...West winds 10 to 15 kt becoming northwest. Mostly
cloudy. Waves 2 to 4 ft.
.SATURDAY NIGHT...Southwest winds around 10 kt becoming south
overnight. Snow likely overnight. Waves 1 to 3 ft.

$$

Petr