Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 121449
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
949 AM CDT Thu Apr 12 2018

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>742-122130-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
949 AM CDT Thu Apr 12 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.REST OF TODAY...Southwest winds to 30 kt becoming west 10 to 20
kt early this afternoon, then becoming northeast 15 to 20 kt
by mid to late afternoon. Partly sunny. Waves 2 to 4 ft.
.TONIGHT...Northeast winds 15 to 20 kt becoming east 10 to 15 kt
after midnight. Slight chance of showers through the night.
Slight chance of thunderstorms after midnight. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.FRIDAY...Southeast winds 15 to 20 kt becoming west in the
afternoon. Chance of showers and slight chance of thunderstorms.
Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 15 to 20 kt becoming northeast to
30 kt after midnight. Rain showers likely in the evening. Rain
showers after midnight. Slight chance of thunderstorms through
the night. Waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft after midnight.

$$

LMZ743>745-122130-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
949 AM CDT Thu Apr 12 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.REST OF TODAY...Southwest winds to 30 kt with occasional gales to
35 kt becoming west 10 to 20 kt early this afternoon. Winds then
becoming northeast 15 to 20 kt mid to late afternoon. Partly
sunny. Waves 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 20 kt becoming southeast after
midnight. Slight chance of showers in the evening. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.FRIDAY...South winds 15 to 25 kt. Chance of showers and slight
chance of thunderstorms. Waves 2 to 4 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt becoming east after
midnight. Rain showers likely in the evening. Rain showers after
midnight. Slight chance of thunderstorms through the night. Waves
1 to 3 ft subsiding to 1 ft or less after midnight.

$$

MTF



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