Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 210826
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
326 AM CDT Sun Apr 21 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>742-211500-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
326 AM CDT Sun Apr 21 2024

.TODAY...West winds 10 to 15 kt becoming northwest. Sunny.
Waves 1 to 2 ft.
.TONIGHT...West winds 10 to 15 kt diminishing to 5 to 10 kt.
Clear. Waves around 1 ft.
.MONDAY...Southwest winds 10 to 15 kt increasing to 15 to 25 kt.
Sunny in the morning, then becoming partly cloudy. Waves
building to 1 to 3 ft.
.MONDAY NIGHT...Southwest winds 15 to 25 kt increasing to 30 kt.
Chance of showers in the evening, then showers likely overnight.
Waves 2 to 4 ft. A small craft advisory will likely be needed.

$$

LMZ743>745-211500-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
326 AM CDT Sun Apr 21 2024

.TODAY...West winds 10 to 15 kt becoming northeast 5 to 10 kt
in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TONIGHT...Southwest winds 5 to 10 kt. Clear. Waves around 1 ft.
.MONDAY...Southwest winds 10 to 20 kt. Sunny in the morning,
then becoming partly cloudy. Waves building to 1 to 3 ft.
.MONDAY NIGHT...South winds 15 to 25 kt becoming southwest to
30 kt. Showers likely overnight. Waves building to 2 to 4 ft. A
small craft advisory will likely be needed.

$$


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