615
FZUS53 KLOT 302225
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
525 PM CDT Mon Jun 30 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>742-010315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
525 PM CDT Mon Jun 30 2025

.TONIGHT...Northwest winds 5 to 10 kt. Isolated showers in the
evening. Waves around 1 ft.
.TUESDAY...Northwest winds 10 to 15 kt becoming northeast around 10
kt in the afternoon. Sunny. Waves around 1 ft.
.TUESDAY NIGHT...South winds 5 to 10 kt becoming west overnight.
Clear. Waves 1 ft or less.
.WEDNESDAY...West winds 5 to 10 kt. Mostly sunny. Waves 1 ft or
less.

$$

LMZ743>745-010315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
525 PM CDT Mon Jun 30 2025

.TONIGHT...Northwest 5 to 10 kt. Isolated showers in the evening.
Waves 1 to 2 ft.
.TUESDAY...Northwest winds 10 to 15 kt becoming northeast in the
afternoon. Sunny. Waves 1 to 3 ft.
.TUESDAY NIGHT...Southeast winds 5 to 10 kt becoming southwest
overnight. Clear. Waves 1 ft or less.
.WEDNESDAY...West winds 5 to 10 kt becoming north in the
afternoon. Mostly sunny. Waves 1 ft or less.


$$

Borchardt