Expires:No;;646075
FZNT01 KWBC 200334
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC WED SEP 20 2017 

CCODE/2:31:04:11:00/AOW+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY 
BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

ATLANTIC ICEBERG ANALYSIS AND OUTLOOK PRODUCTS...COURTESY OF 
THE U.S. COAST GUARD INTERNATIONAL ICE PATROL...CAN BE FOUND 
ON THE OCEAN PREDICTION CENTER WEB PAGE AT 
HTTP://WWW.OPC.NCEP.NOAA.GOV/ATL_TAB.SHTML(LOWERCASE). 

PAN PAN 

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 

SYNOPSIS VALID 0000 UTC SEP 20 
24 HOUR FORECAST VALID 0000 UTC SEP 21 
48 HOUR FORECAST VALID 0000 UTC SEP 22 

.WARNINGS. 

...TROPICAL STORM WARNING...
.TROPICAL STORM JOSE NEAR 37.9N 70.8W 973 MB AT 0300 UTC SEP 20
MOVING NE OR 040 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM E
SEMICIRCLE...AND 190 NM SW AND 100 NM NW QUADRANTS. SEAS 12 FT
OR GREATER WITHIN 330 NM E SEMICIRCLE...270 NM SW AND 210 NM NW
QUADRANTS WITH SEAS TO 32 FT. ELSEWHERE FROM 32N TO 43N BETWEEN
58W AND 76W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM JOSE NEAR 39.6N 68.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE...160 NM SE...180 NM SW...AND 130 NM NW
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 300 NM SE AND 240 NM NW 
SEMICIRCLES WITH SEAS TO 30 FT. ELSEWHERE FROM 34N TO 45N 
BETWEEN 58W AND 74W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 39.5N 67.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 180 NM S SEMICIRCLE...200 NM NE QUADRANT AND 150 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM E AND 240 NM W 
SEMICIRCLES WITH SEAS TO 23 FT. ELSEWHERE FROM 35N TO 45N 
BETWEEN 59W AND 73W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.7N 69.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.5N 70.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL CYCLONE JOSE NEAR 38.5N 70.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

...GALE WARNING... 
.LOW E OF AREA 60N34W 999 MB MOVING SE 15 KT. OVER FORECAST 
WATERS WITHIN 360 NM N AND NW WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
ELSEWHERE WITHIN 720 NM S AND SW...AND 420 NM NW QUADRANTS WINDS 
20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

...GALE WARNING... 
.24 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER 52N41W 1006
MB. WITHIN 360 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 17
FT. ELSEWHERE FROM 45N TO 52N BETWEEN 35W AND 57W WINDS TO 25 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING... 
.24 HOUR FORECAST NEW LOW 46N59W 1012 MB. WITHIN 240 NM S AND SE 
QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N45W 999 MB. 
WITHIN 480 NM SE AND 540 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 
TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 51N38W 984 MB. 
WITHIN 240 NM NE...480 NM SE...540 NM SW...AND 420 NM W AND NW 
QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 40N 
TO 56N BETWEEN 35W AND 56W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING... 
.36 HOUR FORECAST LOW E OF AREA 63N31W 984 MB. OVER FORECAST
WATERS WITHIN 240 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 11 TO
22 FT.
.48 HOUR FORECAST LOW E OF AREA 62N31W 985 MB. WITHIN 240 NM W
AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE
FROM 57N TO 66N BETWEEN 35W AND 42W WINDS TO 25 KT. SEAS 8 TO 13 
FT.

.SYNOPSIS AND FORECAST. 

.INLAND LOW 60N75W 1007 MB MB MOVING SE 25 KT. FROM 47N TO 52N 
BETWEEN 48W AND 60W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 58N55W 1006 MB. OVER FORECAST WATERS 
WITHIN 120 NM NE...240 NM W...AND 540 NM N AND NW QUADRANTS 
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH 
COMPLEX LOW 51N38W IN WARNINGS SECTION ABOVE.

.WITHIN 180 NM N OF A FRONT FROM 37N35W TO 35N49W E TO NE WINDS
20 TO 30 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST CONDITIONS DIMINISHED. 

.48 HOUR FORECAST WITHIN 120 NM E OF A LINE FROM 59N52W TO 
66N57W NW WINDS 20 TO 30 KT. SEAS TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 49N 
BETWEEN 60W AND 68W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 52N BETWEEN 49W AND 69W. 
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 44N46W 1034 MB MOVING SE 15 KT. 
.24 HOUR FORECAST HIGH 41N36W 1031 MB. 
.48 HOUR FORECAST HIGH MOVED E OF AREA. 

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC WED SEP 20.
24 HOUR FORECAST VALID 0000 UTC THU SEP 21.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 22.

.WARNINGS.

...ATLC AND CARIBBEAN HURRICANE WARNING... 
.HURRICANE MARIA NEAR 17.3N 64.7W 909 MB AT 0300 UTC SEP 20 
MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 150 KT 
GUSTS 185 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE 
QUADRANTS...130 NM NE QUADRANT AND 100 NM SW QUADRANT.	SEAS 12 
FT OR GREATER WITHIN 150 NM S SEMICIRCLE...180 NM NE QUADRANT 
AND 90 NM NW QUADRANT WITH SEAS TO 45 FT. ELSEWHERE WITHIN 300 
NM NE AND 150 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 11 
FT. REMAINDER WATERS FROM 13N TO 26N BETWEEN 58W AND 68W WINDS 
20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. NUMEROUS TSTMS AND 
SQUALLS WITHIN 90 NM OF CENTER. 
.24 HOUR FORECAST HURRICANE MARIA NEAR 18.9N 67.3W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 110 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE AND 90 NM 
SW SEMICIRCLES OF CENTER WITH SEAS TO 49 FT. ELSEWHERE WITHIN 
300 NM N...210 NM SE...AND 180 NM SW QUADRANTS OF LOW WINDS 20 
TO 33 KT. SEAS 8 TO 11 FT. REMAINDER ATLC FROM 18N TO 27N 
BETWEEN 60W AND 71W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST HURRICANE MARIA NEAR 20.9N 69.7W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM N...240 NM SE AND 
90 NM SW QUADRANTS OF CENTER WITH SEAS TO 48 FT. ELSEWHERE 
WITHIN 300 NM NE AND 120 NM SW SEMICIRCLES OF LOW WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT. ELSEWHERE ATLC E OF BAHAMAS S OF 31N 
BETWEEN 62W AND 77W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED 
SWELL. 
.72 HOUR FORECAST HURRICANE MARIA NEAR 23.3N 71.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 26.2N 72.2W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 29.5N 72.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

...ATLC GALE WARNING...
.ATLC LOW PRES...REMNANT LOW OF LEE...NEAR 17.5N45W 1008 MB. 
WITHIN 75 NM E QUADRANT OF LOW WINDS 30 TO 40 KT. SEAS 10 TO 12 
FT. ELSEWHERE WITHIN 210 NM NE SEMICIRCLE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. SCATTERED MODERATE ISOLATED STRONG FROM 17N TO 
21N BETWEEN 43W AND 46W. 
.24 HOUR FORECAST LOW PRES NEAR 20N47W 1011 MB. WITHIN 240 NM NE 
QUADRANT SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.  
.48 HOUR FORECAST LOW PRES NEAR 22N50W 1012 MB. FROM 23N TO 26N 
BETWEEN 47W AND 49W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SE 
SWELL.

.SYNOPSIS AND FORECAST.

.N OF LINE FROM 30N78W TO 27N73W TO 27N68W TO 30N61W WINDS 20 KT 
OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST N OF 28N BETWEEN 64W AND 77W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN N SWELL. 
.48 HOUR FORECAST CONDITIONS MERGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.