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FZUS53 KLOT 200853
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
353 AM CDT Fri Jun 20 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>742-201515-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
353 AM CDT Fri Jun 20 2025

.TODAY...Southwest winds 10 to 15 kt becoming south 15 to 25 kt.
Chance of showers mid-morning into early afternoon. Waves around
1 ft building to 1 to 3 ft.
.TONIGHT...South winds 15 to 20 kt. Mostly clear. Waves 1 to
3 ft.
.SATURDAY...Southwest winds 20 to 25 kt increasing to 30 kt.
Mostly sunny. Waves 2 to 4 ft. A small craft advisory will likely
be needed.
.SATURDAY NIGHT...Southwest winds 20 to 25 kt diminishing to
15 to 20 kt. Clear. Waves 2 to 4 ft.

$$

LMZ743>745-201515-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
353 AM CDT Fri Jun 20 2025

.TODAY...Southwest winds 10 to 15 kt becoming south 15 to 25 kt.
Chance of showers late morning into early afternoon. Waves 1 to 2
ft.
.TONIGHT...South winds 15 to 20 kt. Mostly clear. Waves 1 to
3 ft.
.SATURDAY...Southwest winds 20 to 25 kt. Mostly sunny. Waves 1 to
3 ft building to 2 to 4 ft. A small craft advisory will likely
be needed.
.SATURDAY NIGHT...South winds 20 to 25 kt becoming southwest
15 to 20 kt. Clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.

$$

Doom