013
FZUS53 KLOT 210908
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
308 AM CST Tue Jan 21 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>742-211645-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
308 AM CST Tue Jan 21 2025

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

.TODAY...West winds 15 to 25 kt. A chance of flurries in the
morning. Waves 1 to 3 ft.
.TONIGHT...Southwest winds 15 to 25 kt becoming south and
increasing to 30 kt. A few 35 kt gales possible. Mostly clear in
the evening, then becoming mostly cloudy. Waves 2 to 4 ft building
to 3 to 5 ft.
.WEDNESDAY...Southwest winds to 30 kt. Slight chance of snow in
the morning, then chance of snow in the afternoon. Waves 3 to 5
ft.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 kt becoming west
10 to 15 kt overnight. Snow likely in the evening, then chance of
snow overnight. Waves 1 to 3 ft.

Wave heights are for ice free areas.

$$

LMZ743>745-211645-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
308 AM CST Tue Jan 21 2025

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

.TODAY...West winds 15 to 25 kt becoming southwest. Slight chance
of snow in the morning. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TONIGHT...Southwest winds 15 to 20 kt becoming south and
increasing to 30 kt. Mostly clear in the evening, then becoming
mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.
.WEDNESDAY...South winds to 30 kt becoming southwest in the
afternooon. Slight chance of snow in the afternoon. Waves 2 to 4
ft.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 kt diminishing to
10 to 15 kt overnight. Snow likely in the evening, then chance of
snow overnight. Waves 1 to 3 ft.

Wave heights are for ice free areas.

$$

Carlaw