434
FZUS53 KLOT 040232
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
932 PM CDT Thu Jul 3 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>742-040930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
932 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...South winds 5 to 10 kt. Slight chance of
showers and thunderstorms after midnight. Waves around 1 ft.
.FRIDAY...South winds 5 to 10 kt becoming southeast 10 to 15 kt
in the afternoon. Chance of showers and slight chance of
thunderstorms in the morning, then slight chance of showers and
thunderstorms through early afternoon. Waves around 1 ft.
.FRIDAY NIGHT...South winds around 10 kt. Mostly clear. Waves
around 1 ft.
.SATURDAY...South winds 10 to 15 kt increasing to 15 to 20 kt.
Mostly sunny in the morning, then becoming partly cloudy. Waves
1 to 3 ft.

$$

LMZ743>745-040930-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
932 PM CDT Thu Jul 3 2025

.REST OF TONIGHT...East winds 5 to 10 kt becoming south overnight.
Mostly clear. Waves around 1 ft.
.FRIDAY...South winds 5 to 10 kt becoming southeast in the
afternoon. Slight chance of showers in the morning. Waves 1 ft or
less.
.FRIDAY NIGHT...South winds around 10 kt. Mostly clear. Waves
around 1 ft.
.SATURDAY...South winds 10 to 15 kt. Mostly sunny. Waves 1 to
2 ft.

$$
DK