Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 100946
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
346 AM 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>742-101630-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
346 AM CST Sun Dec 10 2017

.TODAY...Southwest winds 15 to 20 kt becoming northwest in the
afternoon. Partly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft
in the afternoon.
.TONIGHT...Northwest winds 10 to 20 kt becoming west 5 to 10 kt
after midnight. Chance of snow after midnight. Waves 1 to 3 ft.
.MONDAY...Southwest winds 10 to 20 kt. Snow likely. Waves 1 to
3 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt increasing to 30 kt
after midnight. A few gale force gusts to 35 kt possible. Chance
of snow in the evening. Waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft after midnight. A small craft advisory
will likely be needed.

$$

LMZ743>745-101630-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
346 AM CST Sun Dec 10 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.TODAY...Southwest winds 15 to 25 kt becoming northwest 15 to 20
kt in the afternoon. Partly sunny. Waves 3 to 5 ft.
.TONIGHT...Northwest winds 10 to 20 kt becoming west 10 to 15 kt
after midnight. Slight chance of snow after midnight. Waves 2 to
4 ft.
.MONDAY...Southwest winds 15 to 20 kt. Chance of snow. 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, then
chance of snow showers after midnight. Waves building to 4 to 7
ft occasionally to 9 ft in the evening and to 8 to 12 ft
occasionally to 16 ft after midnight. A gale warning will likely
be needed.

$$

Ratzer


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