Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 210902
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
402 AM CDT Tue Aug 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.

LMZ740-741-211515-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
402 AM CDT Tue Aug 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH WEDNESDAY MORNING...

.TODAY...Northwest winds 10 to 20 kt becoming north to 30 kt by
late morning. Chance of waterspouts. Scattered showers and slight
chance of thunderstorms. Waves 1 to 3 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...North winds 15 to 25 kt. Chance of waterspouts in the
evening. Scattered showers and thunderstorms in the evening.
Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft after midnight.
.WEDNESDAY...North winds 10 to 20 kt. Sunny. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 kt. Mostly clear. Waves
1 to 3 ft subsiding to 1 ft or less after midnight.

$$

LMZ742-211515-
Northerly Island to Calumet Harbor-
402 AM CDT Tue Aug 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH WEDNESDAY MORNING...

.TODAY...West winds 10 to 15 kt becoming northwest 15 to 25 kt
late in the morning, then becoming north to 30 kt in the
afternoon. Chance of waterspouts. Scattered showers and slight
chance of thunderstorms. Waves 1 to 3 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...North winds 15 to 25 kt. Chance of waterspouts through
the night. Scattered showers and thunderstorms through the night.
Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft after midnight.
.WEDNESDAY...North winds 10 to 20 kt. Sunny. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 kt becoming west after
midnight. Mostly clear. Waves 1 to 3 ft.

$$

LMZ743>745-211515-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
402 AM CDT Tue Aug 21 2018

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

.TODAY...Southwest winds 10 to 15 kt becoming west 15 to 25 kt
late in the morning, then becoming north to 30 kt early in the
afternoon. Chance of waterspouts. Scattered showers and slight
chance of thunderstorms. Waves 1 ft or less building to 5 to 8 ft
occasionally to 10 ft.
.TONIGHT...North winds 15 to 25 kt. Chance of waterspouts through
the night. Scattered showers and thunderstorms through the night.
Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...North winds 10 to 20 kt. Sunny. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft
in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 kt becoming west after
midnight. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft
after midnight.

$$

Kluber



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