Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 180850
NSHLOT

NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
350 AM CDT THU MAY 18 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>742-181545-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
350 AM CDT THU MAY 18 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.TODAY...SOUTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT BY MID
MORNING AND THEN BECOMING NORTHWEST 20 TO 25 KT LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT.
.TONIGHT...NORTH WINDS TO 30 KT WITH OCCASIONAL GALE FORCE GUSTS
TO 35 KT IN THE EVENING DIMINISHING TO 20 TO 25 KT LATE. MOSTLY
CLOUDY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT AFTER MIDNIGHT.
.FRIDAY...NORTHEAST WINDS 20 TO 25 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT
IN THE AFTERNOON.
.FRIDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 20 TO 25
KT AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ743>745-181545-
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
350 AM CDT THU MAY 18 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.TODAY...SOUTH WINDS 20 TO 25 KT BECOMING SOUTHWEST AND INCREASING
TO 30 KT BY MID MORNING AND THEN BECOMING WEST 20 TO 25 KT LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS TO 30 KT WITH OCCASIONAL GALE FORCE GUSTS
TO 35 KT IN THE EVENING DIMINISHING TO 20 TO 25 KT LATE. MOSTLY
CLOUDY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT
IN THE AFTERNOON.
.FRIDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 20 TO 25
KT AFTER MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.

$$

RC



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