Nearshore Marine Forecast
Issued by NWS Chicago, IL

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750
FZUS53 KLOT 202037
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
337 PM CDT Sun May 20 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>742-210330-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
337 PM CDT Sun May 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...North winds 15 to 25 kt diminishing to 10 to 20 kt by
sundown, then becoming northeast 10 to 15 kt after midnight.
Showers and a chance of thunderstorms, mainly after midnight.
Patchy fog after midnight. Waves 3 to 6 ft occasionally to 8 ft
gradually subsiding to 2 to 4 ft by overnight.
.MONDAY...East winds 15 to 20 kt becoming northeast 10 to 20 kt
in the afternoon. Patchy fog. Showers with a chance of
thunderstorms through early afternoon, then a chance of showers
and thunderstorms after. Waves 3 to 5 ft.
.MONDAY NIGHT...North winds 10 to 15 kt becoming northwest.
Slight chance of showers and thunderstorms in the evening. Waves 3
to 5 ft subsiding to 2 to 4 ft by late evening.
.TUESDAY...North winds 10 to 15 kt becoming northeast in the
afternoon. Mostly cloudy in the morning then becoming mostly
sunny. Waves 1 to 3 ft.

$$

LMZ743-744-210330-
Calumet Harbor to Gary-Gary to Burns Harbor-
337 PM CDT Sun May 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...North winds 10 to 20 kt becoming northeast 10 to 15 kt
after midnight, and then east late. Slight chance of showers in
the evening, then showers and a chance of thunderstorms after
midnight. Patchy fog after midnight. Waves 3 to 6 ft occasionally
to 8 ft gradually subsiding to 2 to 4 ft by overnight.
.MONDAY...East winds 10 to 20 kt becoming northeast late in the
day. Patchy fog. Showers with a chance of thunderstorms through
early afternoon, then a chance of showers and thunderstorms after.
Waves 2 to 4 ft.
.MONDAY NIGHT...Northwest winds 10 to 15 kt. Slight chance of
showers and thunderstorms in the evening. Waves 2 to 4 ft.
.TUESDAY...North winds 10 to 15 kt. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 to 3 ft.

$$

LMZ745-210330-
Burns Harbor to Michigan City-
337 PM CDT Sun May 20 2018

.TONIGHT...North winds 10 to 20 kt becoming northeast 10 to 15 kt
after midnight, and then east late. Slight chance of showers in
the evening, then showers and a chance of thunderstorms after
midnight. Patchy fog after midnight. Waves 3 to 5 ft subsiding to
2 to 4 ft by overnight.
.MONDAY...East winds 10 to 20 kt becoming northeast 10 to 15 kt
late in the day. Patchy fog. Showers with a chance of
thunderstorms through early afternoon, then a chance of showers
and thunderstorms after. Waves 1 to 3 ft.
.MONDAY NIGHT...Northwest winds 10 to 15 kt. Slight chance of
showers and thunderstorms in the evening. Waves 2 to 4 ft.
.TUESDAY...North winds 10 to 15 kt. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 to 3 ft.

$$

MTF



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