535
FZUS53 KLOT 140835
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
335 AM CDT Tue Oct 14 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.

LMZ740-142130-
Winthrop Harbor to Wilmette Harbor IL-
335 AM CDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH WEDNESDAY AFTERNOON...

.TODAY...North winds 10 to 15 kt increasing to 15 to 20 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves 1
to 3 ft building to 3 to 6 ft occasionally to 8 ft.
.TONIGHT...North winds 15 to 20 kt becoming northeast 20 to 25 kt.
Showers likely after midnight. Waves 4 to 7 ft occasionally to 9
ft.
.WEDNESDAY...East winds 15 to 20 kt easing to 10 to 15 kt in the
afternoon. Chance of showers in the morning. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 2 to 4 ft late in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds around 10 kt becoming east
overnight. Mostly cloudy. Waves 1 to 3 ft.

$$

LMZ741-742-142130-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
335 AM CDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...North winds 10 to 15 kt increasing to 15 to 20 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves
1 to 3 ft building to 3 to 6 ft occasionally to 8 ft this
afternoon.
.TONIGHT...North winds 15 to 20 kt becoming northeast 20 to 25 kt.
Chance of showers after midnight. Waves 4 to 7 ft occasionally to
9 ft.
.WEDNESDAY...East winds 15 to 20 kt easing to 10 to 15 kt in the
afternoon. Chance of showers in the morning. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft late in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming east
overnight. Mostly cloudy. Waves 1 to 3 ft.

$$

LMZ743>745-142130-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
335 AM CDT Tue Oct 14 2025

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

.TODAY...Northeast winds 10 to 15 kt becoming north. Mostly
cloudy in the morning, then becoming partly cloudy. Waves 1 to
2 ft building to 2 to 4 ft.
.TONIGHT...North winds 15 to 25 kt becoming northeast late.
Chance of showers after midnight. Waves 3 to 6 ft occasionally to
8 ft.
.WEDNESDAY...East winds 10 to 20 kt. Chance of showers in
the morning. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming east
overnight. Partly cloudy. Waves 1 to 3 ft.

$$

KJB