Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 142015
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
315 PM CDT Sun Jun 14 2026

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>742-150315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
315 PM CDT Sun Jun 14 2026

.LATE THIS AFTERNOON...Northwest winds 15 to 25 kt. Mostly
cloudy. Waves 2 to 4 ft.
.TONIGHT...North winds 10 to 20 kt becoming west and diminishing
to around 10 kt late. Mostly clear. Waves 2 to 4 ft subsiding to
1 to 2 ft.
.MONDAY...West winds 10 to 15 kt. Mostly sunny in the morning,
then becoming partly cloudy. Waves 1 to 2 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt. Mostly cloudy in the
evening, then becoming partly cloudy. Waves 1 to 2 ft.
.TUESDAY...Southwest winds 15 to 25 kt. Chance of showers and
slight chance of thunderstorms in the morning, then showers and a
chance of thunderstorms in the afternoon. Waves 1 to 3 ft.

$$

LMZ743>745-150315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
315 PM CDT Sun Jun 14 2026

.LATE THIS AFTERNOON...North winds 15 to 25 kt. Mostly cloudy.
Waves 3 to 5 ft.
.TONIGHT...North winds 15 to 20 kt becoming southwest and
diminishing to around 10 kt. Mostly clear. Waves 3 to 5 ft
subsiding to 1 to 3 ft.
.MONDAY...Southwest winds 10 to 15 kt. Mostly sunny. Waves 1 to
2 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt. Partly cloudy. Waves
1 to 2 ft.
.TUESDAY...Southwest winds 15 to 20 kt increasing to 20 to 25 kt.
Chance of showers in the morning, then showers and a chance of
thunderstorms in the afternoon. Waves 1 to 2 ft building to 2 to
4 ft.

$$

KJB