Nearshore Marine Forecast
Issued by NWS Chicago, IL

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289
FZUS53 KLOT 180807
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
307 AM CDT Wed Apr 18 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>743-181515-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-Calumet Harbor to Gary-
307 AM CDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THURSDAY EVENING...

.TODAY...East winds 10 to 20 kt becoming northeast 20 to 25 kt,
and then becoming north late in the afternoon. Chance of rain and
slight chance of light sleet in the morning. Chance of
thunderstorms through the day. Rain and light sleet in the
afternoon. Waves 1 to 3 ft building to 4 to 6 ft occasionally to 8
ft in the afternoon.
.TONIGHT...North winds to 30 kt. Snow and slight chance of rain
in the evening, then chance of snow after midnight. Waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 ft after midnight.
.THURSDAY...North winds 15 to 25 kt. Sunny. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft
in the afternoon.
.THURSDAY NIGHT...Northwest winds 10 to 15 kt. Mostly clear.
Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight.

$$

LMZ744-745-181515-
Gary to Burns Harbor-Burns Harbor to Michigan City-
307 AM CDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE THURSDAY NIGHT...

.TODAY...East winds 10 to 20 kt becoming northeast 20 to 25 kt
in the afternoon. Chance of rain in the morning. Slight chance of
thunderstorms through the day. Rain in the afternoon. Waves 1 to
3 ft building to 3 to 5 ft.
.TONIGHT...North winds 20 to 25 kt. Snow and rain in the evening,
then chance of rain and snow after midnight. Waves 4 to 7 ft
occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft
after midnight.
.THURSDAY...North winds 15 to 25 kt. Mostly sunny. Waves 5 to
8 ft occasionally to 10 ft.
.THURSDAY NIGHT...Northwest winds 10 to 15 kt. Mostly clear.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft after
midnight.

$$

JEE



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