Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 220216
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
916 PM CDT Fri Jul 21 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>742-221030-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
916 PM CDT Fri Jul 21 2017

...SEVERE THUNDERSTORM WATCH 429 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

.REST OF TONIGHT...East winds 15 to 20 kt becoming southeast late
this evening then southwest toward daybreak. Showers and
thunderstorms. Waves 1 ft or less building to 1 to 3 ft toward
daybreak.
.SATURDAY...Southwest winds 10 to 15 kt becoming northeast in the
afternoon. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.SATURDAY NIGHT...North winds 5 to 10 kt becoming northwest after
midnight. Mostly cloudy. Waves 1 to 3 ft.
.SUNDAY...West winds 10 to 15 kt. Slight chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 ft.

$$

LMZ743>745-221030-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
916 PM CDT Fri Jul 21 2017

...SEVERE THUNDERSTORM WATCH 429 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

.REST OF TONIGHT...Southeast winds 15 to 20 kt becoming southwest
10 to 15 kt toward daybreak. Showers and thunderstorms. Waves 1
ft or less.
.SATURDAY...Southwest winds 10 to 15 kt becoming north in the
afternoon. Chance of showers and thunderstorms. Waves 1 ft or
less building to 1 to 3 ft in the afternoon.
.SATURDAY NIGHT...North winds around 10 kt becoming northwest
after midnight. Slight chance of showers and thunderstorms in the
evening. Waves 1 to 3 ft.
.SUNDAY...West winds 10 to 15 kt. Slight chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 ft.

$$

MDB



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