Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 102051
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
251 PM CST Sun Dec 10 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>742-110445-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
251 PM CST Sun Dec 10 2017

.TONIGHT...Northwest winds 10 to 20 kt becoming southwest 5 to
10 kt late. Partly cloudy in the evening then becoming mostly
cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft late.
.MONDAY...South winds 10 to 20 kt. Snow likely. Waves 1 to 3 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt increasing to gales
to 35 kt after midnight. Chance of snow in the evening. Waves
3 to 5 ft building to 5 to 8 ft occasionally to 10 ft after
midnight. A gale warning will likely be needed.
.TUESDAY...Northwest winds to 30 kt. Freezing spray in the
morning. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
7 ft occasionally to 9 ft in the afternoon. A small craft
advisory will likely be needed.

$$

LMZ743>745-110445-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
251 PM CST Sun Dec 10 2017

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...

.TONIGHT...Northwest winds 10 to 20 kt becoming southwest 10 to
15 kt late. Mostly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft
late.
.MONDAY...South winds 10 to 20 kt. Chance of snow through the
day. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
.MONDAY NIGHT...Northwest winds 15 to 25 kt increasing to gales
to 35 kt after midnight. Chance of snow. Waves 4 to 7 ft
occasionally to 9 ft building to 8 to 12 ft occasionally to 16 ft
after midnight.
.TUESDAY...Northwest gales to 35 kt diminishing to 30 kt in the
afternoon. Freezing spray. chance of snow showers. Waves 8 to
12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally
to 13 ft in the afternoon.

$$



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