821
FZUS53 KLOT 011354
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
854 AM CDT Fri Aug 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>742-012115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
854 AM CDT Fri Aug 1 2025

.REST OF TODAY...East winds 10 to 15 kt becoming northeast this
afternoon. Hazy. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TONIGHT...Northeast
winds 10 to 15 kt diminishing to 5 to 10 kt overnight. Hazy in
the evening. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SATURDAY...Northeast winds 5 to 10 kt. Mostly sunny. Waves 1 to
2 ft.
.SATURDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Mostly clear. Waves around 1 ft.

$$

LMZ743>745-012115-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
854 AM CDT Fri Aug 1 2025

.REST OF TODAY...East winds 10 to 15 kt becoming north this
afternoon. Hazy. Waves 3 to 5 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming east 5 to 10 kt
overnight. Hazy in the evening. Waves 2 to 4 ft.
.SATURDAY...East winds 5 to 10 kt becoming northeast in the
afternoon. Mostly sunny. Waves 1 to 3 ft.
.SATURDAY NIGHT...Northeast winds 5 to 10 kt becoming east
overnight. Mostly clear. Waves around 1 ft.

$$

Borchardt