Nearshore Marine Forecast
Issued by NWS Chicago, IL

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426
FZUS53 KLOT 130347
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
947 PM CST Tue Dec 12 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>742-131000-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
947 PM CST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CST WEDNESDAY THROUGH
THURSDAY MORNING...

.REST OF TONIGHT...Southwest winds 10 to 15 kt becoming south 15
to 25 kt toward daybreak. Mostly cloudy. Waves 2 to 4 ft.
.WEDNESDAY...South winds to 30 kt becoming southwest 15 to 25 kt
by early afternoon then northwest to 30 kt by late afternoon.
Snow likely in the morning and then snow likely again in the
afternoon. Waves building to 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY NIGHT...North winds to 30 kt. Snow likely. Waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 ft after midnight.
.THURSDAY...Northwest winds 10 to 20 kt becoming 10 to 15 kt in
the afternoon. Slight chance of snow in the morning. Waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft in the
afternoon.

$$

LMZ743>745-131000-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
947 PM CST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CST WEDNESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CST WEDNESDAY THROUGH
THURSDAY MORNING...

.REST OF TONIGHT...West winds 10 to 20 kt becoming south 15 to 25
kt toward daybreak. Mostly cloudy. Waves 4 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft toward daybreak.
.WEDNESDAY...South winds to 30 kt becoming southwest in the
afternoon...then northwest by evening. Snow likely in the morning
and then snow likely again in the afternoon. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt
after midnight. Snow likely. Waves 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Northwest winds 10 to 20 kt becoming west 10 to 15 kt
in the afternoon. Slight chance of snow in the morning. Waves 4 to
6 ft occasionally to 8 ft subsiding to 3 to 5 ft in the afternoon.

$$



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