429
FZUS53 KLOT 010858
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
358 AM CDT Tue Jul 1 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.

LMZ740-011530-
Winthrop Harbor to Wilmette Harbor IL-
358 AM CDT Tue Jul 1 2025

.TODAY...Northwest winds 10 to 15 kt becoming east 5 to 10 kt in
the afternoon. Mostly sunny. Waves around 1 ft.
.TONIGHT...Southeast winds 5 to 10 kt becoming west overnight.
Clear. Waves 1 ft or less.
.WEDNESDAY...West winds 5 to 10 kt becoming variable in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 ft or less.
.WEDNESDAY NIGHT...West winds 5 to 10 kt. Mostly clear. Waves
1 ft or less.

$$

LMZ741-742-011530-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
358 AM CDT Tue Jul 1 2025

.TODAY...Northwest winds around 10 kt becoming northeast in the
afternoon. Mostly sunny. Waves around 1 ft.
.TONIGHT...East winds 5 to 10 kt becoming southwest overnight.
Mostly clear. Waves around 1 ft.
.WEDNESDAY...West winds 5 to 10 kt becoming northeast in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 ft or less.
.WEDNESDAY NIGHT...Variable winds 5 to 10 kt becoming west
overnight. Mostly clear. Waves 1 ft or less.

$$

LMZ743>745-011530-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
358 AM CDT Tue Jul 1 2025

.TODAY...Northwest winds 10 to 15 kt becoming north in the late
morning and then northeast 5 to 10 kt in the afternoon. Sunny.
Waves 1 to 2 ft.
.TONIGHT...East winds 5 to 10 kt becoming southwest less than
10 kt overnight. Clear. Waves around 1 ft.
.WEDNESDAY...West winds 5 to 10 kt becoming northeast in the
afternoon. Mostly sunny in the morning, then becoming partly
cloudy. Waves 1 ft or less.
.WEDNESDAY NIGHT...Variable winds around 5 kt becoming west
overnight. Mostly clear. Waves 1 ft or less.

$$

RC