Nearshore Marine Forecast
Issued by NWS Chicago, IL

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647
FZUS53 KLOT 130227
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
927 PM CDT Sun May 12 2024

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>742-130930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
927 PM CDT Sun May 12 2024

.REST OF TONIGHT...Southwest winds 10 to 20 kt. Slight chance of
showers and thunderstorms. Waves 1 to 3 ft.
.MONDAY...Southwest winds 10 to 15 kt, shifting to northeast 10 to
20 kt toward evening. Showers and a chance of thunderstorms in
the afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...Northeast winds 10 to 20 kt becoming north.
Showers and a chance of thunderstorms in the evening, then
showers likely overnight. Waves 1 to 3 ft building to 2 to 4 ft.
.TUESDAY...North winds 15 to 25 kt. Chance of showers. Waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 ft. A small craft advisory will likely be needed.

$$

LMZ743>745-130930-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
927 PM CDT Sun May 12 2024

.REST OF TONIGHT...Southwest winds 10 to 20 kt. Slight chance of
showers and thunderstorms. Waves 1 to 3 ft.
.MONDAY...Southwest winds 10 to 15 kt. Showers and a chance of
thunderstorms in the afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...East winds 5 to 10 kt becoming northeast. Showers
and a chance of thunderstorms in the evening, then showers likely
overnight. Waves 1 to 2 ft.
.TUESDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. A small craft advisory will likely be
needed.

$$

- Izzi