National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 201500
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
1000 AM CDT Tue Oct 20 2020

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>742-202145-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
1000 AM CDT Tue Oct 20 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING


REST OF TODAY
East winds 10 to 20 kt increasing to 15 to 25 kt
late. Mostly cloudy. Waves 3 to 5 ft building to 3 to 6 ft
occasionally to 8 ft.

TONIGHT
Southeast winds 15 to 25 kt becoming southwest 15 to 20
kt by midnight, and west overnight. Rain showers and slight
chance of thunderstorms in the evening. Areas of drizzle late in
the evening and overnight. Waves 3 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.

WEDNESDAY
West winds 15 to 20 kt diminishing to 10 to 15 kt in
the early afternoon and becoming east 5 to 10 kt in the late
afternoon. Partly sunny. Waves 1 to 2 ft.

WEDNESDAY NIGHT
East winds 5 to 10 kt increasing to 10 to 20
kt after midnight. Rain showers likely and a chance of
thunderstorms. Waves around 1 ft building to 2 to 4 ft.

LMZ743>745-202145-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
1000 AM CDT Tue Oct 20 2020

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

REST OF TODAY
East winds 10 to 15 kt increasing to 15 to 20 kt
late. Mostly cloudy. Waves 1 to 3 ft.

TONIGHT
Southeast winds 15 to 25 kt becoming southwest near
midnight and west 20 to 25 kt after midnight. Rain showers and
slight chance of thunderstorms in the evening, then showers likely
and areas of drizzle after midnight. Waves 1 to 3 ft building to
3 to 6 ft occasionally to 8 ft.

WEDNESDAY
West winds 10 to 20 kt becoming north around 10 kt
in the afternoon. Partly sunny. Waves 3 to 6 ft occasionally to 8
ft early subsiding to 1 to 3 ft in the afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 kt increasing to 10 to 20
kt. Chance of showers and slight chance of thunderstorms. Waves 1
to 3 ft.

RC