Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 211337
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
837 AM CDT Mon May 21 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>742-212115-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
837 AM CDT Mon May 21 2018

.REST OF TODAY...Northeast winds 10 to 15 kt becoming east 10 to
20 kt. Patchy fog through the day. showers in the morning. Chance
of thunderstorms through the day. Rain showers likely in the
afternoon. Waves 1 to 3 ft building to 3 to 4 ft in the
afternoon.
.TONIGHT...Northeast winds 10 to 15 kt becoming northwest 5 to
10 kt after midnight. Chance of showers and slight chance of
thunderstorms in the evening. Waves 2 to 4 ft.
.TUESDAY...Northwest winds around 10 kt becoming north in the
afternoon. Partly sunny. Waves 1 to 3 ft.
.TUESDAY NIGHT...North winds 5 to 10 kt becoming northwest after
midnight. Partly cloudy. Waves 1 ft or less.

$$

LMZ743>745-212115-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
837 AM CDT Mon May 21 2018

.REST OF TODAY...East winds 10 to 15 kt becoming southeast 10 to
20 kt. Patchy fog. showers with thunderstorms likely. Waves 1 to 3
ft.
.TONIGHT...Southeast winds 10 to 15 kt becoming west 5 to 10 kt
after midnight. Chance of showers and slight chance of
thunderstorms in the evening. Waves 1 ft or less building to 1 to
3 ft after midnight.
.TUESDAY...Northwest winds around 10 kt becoming north in the
afternoon. Partly sunny. Waves 1 to 3 ft.
.TUESDAY NIGHT...North winds 5 to 10 kt. Partly cloudy. Waves
1 to 3 ft subsiding to 1 ft or less after midnight.

$$
KJB



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