Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 202351
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
551 PM CST Tue Feb 20 2018

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>742-210415-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
551 PM CST Tue Feb 20 2018

.TONIGHT...Northwest winds 15 to 25 kt. Patchy fog in the
evening. Rain in the evening. Light freezing rain likely, chance
of light sleet and snow after midnight. Waves 1 to 3 ft building
to 3 to 5 ft after midnight.
.WEDNESDAY...Northwest winds 15 to 25 kt becoming north 10 to
20 kt in the afternoon. Partly sunny. Waves 3 to 5 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt. Slight chance of
snow after midnight. Waves 2 to 4 ft.
.THURSDAY...Northeast winds 10 to 20 kt becoming east 10 to 15 kt.
Mostly cloudy. Waves 2 to 4 ft.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ743>745-210415-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
551 PM CST Tue Feb 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CST WEDNESDAY THROUGH
WEDNESDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 kt early becoming west 10 to
15 kt in the evening and then northwest 15 to 25 kt in the late
evening, increasing to 20 to 25 kt overnight. Patchy fog in the
evening. Rain through the night. Freezing rain and light sleet
after midnight. Waves 1 to 3 ft building to 3 to 5 ft.
.WEDNESDAY...Northwest winds 20 to 25 kt becoming north and easing
to 10 to 20 kt late. Partly sunny. Waves 4 to 6 ft occasionally
to 8 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt. Slight chance of
snow after midnight. Waves 3 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.
.THURSDAY...Northeast winds 10 to 15 kt becoming east. Mostly
cloudy. Waves 1 to 3 ft.

WAVE FORECAST IS FOR ICE FREE AREAS

$$
KJB


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