Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 210220
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
920 PM CDT Sun Aug 20 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>742-211030-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
920 PM CDT Sun Aug 20 2017

.REST OF TONIGHT...South winds 5 to 10 kt. Slight chance of
showers and thunderstorms. Waves 1 to 2 ft.
.MONDAY...South winds 5 to 10 kt increasing to 10 to 15 kt by late
morning. Chance of showers and thunderstorms. Waves 1 to 2 ft.
.MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 15 to
20 kt after midnight. Showers and thunderstorms likely. Waves
1 to 2 ft.
.TUESDAY...West winds 15 to 20 kt becoming northwest in the
afternoon. Chance of showers and slight chance of thunderstorms.
Waves 1 to 3 ft.

$$

LMZ743>745-211030-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
920 PM CDT Sun Aug 20 2017

.REST OF TONIGHT...South winds 5 to 10 kt. Slight chance of
showers and thunderstorms. Waves around 1 ft.
.MONDAY...South winds 5 to 10 kt increasing to 10 to 15 kt by
early afternoon. Chance of showers and thunderstorms. Waves around
1 ft.
.MONDAY NIGHT...South winds 10 to 15 kt becoming southwest 15 to
20 kt by late evening. Showers and thunderstorms likely. Waves
around 1 ft building to 1 to 3 ft.
.TUESDAY...West winds 15 to 20 kt becoming northwest in the
afternoon. Showers likely and a chance of thunderstorms. Waves
2 to 4 ft.

$$

MTF



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