Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 210321
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
921 PM CST Mon Nov 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>742-211015-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
921 PM CST Mon Nov 20 2017

...GALE WARNING IN EFFECT UNTIL 6 AM CST TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CST TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...Southwest gales to 35 kt with a few gusts to 40
kt. Partly cloudy. Waves 3 to 6 ft occasionally to 8 ft.
.TUESDAY...Southwest winds to 30 kt becoming northwest 20 to 25
kt late in the morning. Partly sunny. Waves 3 to 5 ft.
.TUESDAY NIGHT...Northwest winds 15 to 25 kt. Mostly clear. Waves
subsiding to 2 to 4 ft.
.WEDNESDAY...Northwest winds 10 to 15 kt becoming west in the
afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft in the
afternoon.

$$

LMZ743>745-211015-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
921 PM CST Mon Nov 20 2017

...GALE WARNING IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Southwest gales to 35 kt. Partly cloudy. Waves
3 to 6 ft occasionally to 8 ft.
.TUESDAY...Southwest gales to 35 kt diminishing to 30 kt late in
the morning, then becoming northwest by early afternoon. Partly
sunny. Waves 3 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft in the afternoon.
.TUESDAY NIGHT...Northwest winds to 30 kt easing to 15 to 25 kt
overnight. Partly cloudy. Waves 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY...Northwest winds 10 to 15 kt becoming west in the
afternoon. Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding
to 2 to 4 ft in the afternoon.

$$

MTF



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