Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 122054
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
254 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>742-130415-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
254 PM CST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...Northwest winds 15 to 20 kt becoming south 10 to 20 kt
late. Slight chance of snow after midnight. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft.
.WEDNESDAY...South winds to 30 kt becoming west 15 to 25 kt in
the afternoon. Snow likely through the day. 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>745-130415-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
254 PM CST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest winds to 30 kt easing to 15 to 25 kt this
evening...then becoming southwest 10 to 20 kt late. Slight chance
of snow after midnight. Waves 6 to 9 ft occasionally to 12 ft
subsiding to 2 to 4 ft.
.WEDNESDAY...South winds to 30 kt becoming southwest 15 to 25 kt
in the afternoon. Snow likely through the day. 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.

$$

KJB



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