Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 071940
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
240 PM CDT Sat Jun 7 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>742-080315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
240 PM CDT Sat Jun 7 2025

.TONIGHT...Northeast winds 5 to 10 kt becoming southeast after
midnight. Showers. Waves around 1 ft.
.SUNDAY...East winds around 5 kt in the morning becoming
southeast 10 to 15 kt in the afternoon. Scattered showers and
thunderstorms in the afternoon. Waves around 1 ft.
.SUNDAY NIGHT...West winds 10 to 15 kt becoming southwest.
Isolated showers and thunderstorms in the evening. Waves around
1 ft.
.MONDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers and thunderstorms in the afternoon. Waves 1 to
2 ft.

$$

LMZ743>745-080315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
240 PM CDT Sat Jun 7 2025

.TONIGHT...Northeast winds 5 to 10 kt becoming east after
midnight. Showers. Waves around 1 ft.
.SUNDAY...Northeast winds around 5 kt in the morning becoming
east 10 to 15 kt in the afternoon. Scattered showers and
thunderstorms in the afternoon. Waves around 1 ft.
.SUNDAY NIGHT...West winds 10 to 15 kt becoming southwest.
Isolated showers and thunderstorms in the evening. Waves around 1
ft.
.MONDAY...Southwest winds 10 to 20 kt. Chance of showers and
thunderstorms in the afternoon. Waves 1 to 2 ft.

$$

Borchardt