551
FZUS53 KLOT 051444
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
944 AM CDT Sun Oct 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>742-052115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
944 AM CDT Sun Oct 5 2025

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

.REST OF TODAY...South winds around 15 kt increasing to 20 to 25
kt by noon. Mostly sunny. Waves 1 to 3 ft building to 2 to 4 ft.
.TONIGHT...Southwest winds 20 to 25 kt easing to 15 to 20 kt.
Clear. Waves 2 to 4 ft.
.MONDAY...Southwest winds 10 to 15 kt. Chance of showers and
possibly a thunderstorm in the afternoon. Waves 1 to 3 ft.
.MONDAY NIGHT...North winds 10 to 20 kt. Showers and a chance of
thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft.

$$

LMZ743>745-052115-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
944 AM CDT Sun Oct 5 2025

.REST OF TODAY...South winds 10 to 15 kt increasing to 15 to 25 kt.
Mostly sunny. Waves 1 to 3 ft.
.TONIGHT...South winds 10 to 20 kt. Mostly clear. Waves 1 to 3
ft.
.MONDAY...South winds 10 to 15 kt becoming southwest. Chance of
showers and possibly a thunderstorm in the afternoon. Waves 1 to
2 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt shifting to north 10
to 20 kt. Showers and a chance of thunderstorms. Waves 1 to 2 ft
building to 2 to 4 ft.

$$

Kluber