Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 220817
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
317 AM CDT Tue Aug 22 2017

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>743-221545-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-Calumet Harbor to Gary-
317 AM CDT Tue Aug 22 2017

.TODAY...West winds around 20 kt becoming northwest in the
afternoon. Chance of showers in the morning. Waves 1 to 3 ft
building to 3 to 5 ft in the afternoon.
.TONIGHT...Northwest winds 15 to 25 kt. Clear. Waves 3 to 5 ft.
.WEDNESDAY...Northwest winds 15 to 20 kt becoming north in the
afternoon. Sunny. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 15 kt. Partly cloudy. Waves
2 to 4 ft.

$$

LMZ744-745-221545-
Gary to Burns Harbor-Burns Harbor to Michigan City-
317 AM CDT Tue Aug 22 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...Southwest winds around 20 kt becoming northwest 20 to 25
kt in the afternoon. Chance of showers in the morning. Waves 2 to
4 ft building to 4 to 7 ft occasionally to 9 ft.
.TONIGHT...Northwest winds 20 to 25 kt. Mostly clear. Waves 4 to
7 ft occasionally to 9 ft.
.WEDNESDAY...Northwest winds 15 to 20 kt becoming north in the
afternoon. Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding
to 3 to 5 ft in the afternoon.
.WEDNESDAY NIGHT...North winds 10 to 15 kt. Partly cloudy in the
evening then becoming mostly cloudy. Waves 3 to 5 ft subsiding to
2 to 4 ft after midnight.

$$



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