Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 181444
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
944 AM CDT Thu Apr 18 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>742-182130-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
944 AM CDT Thu Apr 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.REST OF TODAY...North winds 5 to 10 kt this morning becoming
northeast 10 to 15 kt this afternoon. Showers, mainly this
afternoon. Waves 1 ft or less.
.TONIGHT...North winds 10 to 20 kt becoming northwest 15 to 25 kt
overnight. Showers. Waves 1 to 3 ft.
.FRIDAY...Northwest winds 15 to 20 kt becoming west 20 to 30 kt by
late morning. Mostly sunny. Waves 2 to 4 ft.
.FRIDAY NIGHT...West winds 15 to 20 kt. Partly cloudy. Waves 1 to
3 ft.

$$

LMZ743>745-182130-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
944 AM CDT Thu Apr 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING...

.REST OF TODAY...Northeast winds 5 to 10 kt increasing to 10 to
15 kt this afternoon. Showers, mainly this afternoon. Waves
around 1 ft.
.TONIGHT...North winds 15 to 25 kt becoming northwest overnight.
Showers with a slight chance for a thunderstorm. Waves 2 to 4 ft
building to 3 to 6 ft occasionally to 8 ft after midnight.
.FRIDAY...Northwest winds 20 to 25 kt becoming west in the
afternoon. Mostly sunny. Waves subsiding to 2 to 4 ft.
.FRIDAY NIGHT...West winds 15 to 20 kt. Partly cloudy in the
evening, then becoming mostly cloudy. Waves 1 to 3 ft.

$$

Borchardt


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