Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 111543
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
943 AM CST Mon Dec 11 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>742-112215-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
943 AM CST Mon Dec 11 2017

...GALE WARNING IN EFFECT FROM 8 PM CST THIS EVENING THROUGH
TUESDAY MORNING...

.REST OF TODAY...South winds 10 to 20 kt becoming southwest 10 to
15 kt late. Chance of snow and rain. Waves 2 to 4 ft subsiding to
1 to 3 ft late.
.TONIGHT...Northwest winds to 30 kt increasing to gales to 35 kt.
Chance of rain mixed with snow in the evening. Chance of snow
through the night. Freezing spray after midnight. Waves 5 to 8 ft
occasionally to 10 ft building to 7 to 10 ft occasionally to 13 ft
after midnight.
.TUESDAY...Northwest gales to 35 kt diminishing to 30 kt.
Freezing spray in the morning. Waves 7 to 10 ft occasionally to 13
ft subsiding to 5 to 8 ft occasionally to 10 ft in the afternoon.
.TUESDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt after midnight. Partly cloudy. Waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft after midnight.

$$

LMZ743>745-112215-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
943 AM CST Mon Dec 11 2017

...GALE WARNING IN EFFECT FROM 8 PM CST THIS EVENING THROUGH
TUESDAY AFTERNOON...

.REST OF TODAY...South winds 10 to 20 kt. Slight chance of snow.
Waves 1 to 3 ft.
.TONIGHT...Northwest winds to 30 kt increasing to gales to 40 kt.
Chance of rain in the evening. Snow likely through the night.
Waves 7 to 10 ft occasionally to 13 ft building to 12 to 16 ft
occasionally to 21 ft after midnight.
.TUESDAY...Northwest gales to 35 kt diminishing to 30 kt late in
the afternoon. Freezing spray through the day. slight chance of
snow through the day. Waves 10 to 14 ft occasionally to 18 ft
subsiding to 8 to 12 ft occasionally to 16 ft in the afternoon.
.TUESDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to
20 kt after midnight. Freezing spray in the evening. slight
chance of snow through the night. Waves 7 to 10 ft occasionally
to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft after
midnight.

$$

KMD



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