

590 

FZNT01 KWBC 310353

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC WED AUG 31 2016 



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



PAN PAN 



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



SYNOPSIS VALID 0000 UTC AUG 31 

24 HOUR FORECAST VALID 0000 UTC SEP 01 

48 HOUR FORECAST VALID 0000 UTC SEP 02 



.WARNINGS. 



.FOR INFORMATION REGARDING TROPICAL DEPRESSION NINE PLEASE SEE 

MIAMI SECTION PART II BELOW. 



...HURRICANE WARNING...

.HURRICANE GASTON NEAR 32.9N 50.9W 956 MB AT 0300 UTC AUG 31

MOVING ENE OR 070 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT

GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE

QUADRANT...140 NM SE QUADRANT...100 NM SW QUADRANT...AND 90 NM

NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM W

SEMICIRCLE...240 NM NE QUADRANT AND 210 NM SE QUADRANT WITH SEAS

TO 42 FT. ELSEWHERE FROM 31N TO 37N BETWEEN 45W AND 57W WINDS 20 

TO 33 KT. SEAS TO 11 FT.

.24 HOUR FORECAST HURRICANE GASTON NEAR 35.4N 46.0W. MAXIMUM

SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS

WITHIN 130 NM NE QUADRANT...160 NM SE QUADRANT...120 NM SW

QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 

240 NM OF CENTER EXCEPT 300 NM NW QUADRANT WITH SEAS TO 43 FT. 

ELSEWHERE FROM 31N TO 39N BETWEEN 39W AND 51W WINDS 20 TO 33 KT. 

SEAS TO 11 FT.

.48 HOUR FORECAST HURRICANE GASTON NEAR 37.9N 36.9W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS

WITHIN 120 NM NE QUADRANT...160 NM SE QUADRANT...130 NM SW

QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 

300 NM OF CENTER EXCEPT 420 NM NW QUADRANT WITH SEAS TO 40 FT. 

ELSEWHERE FROM 33N TO 42N BETWEEN 35W AND 43W WINDS 20 TO 33 KT. 

SEAS TO 11 FT.

.72 HOUR FORECAST TROPICAL STORM GASTON NEAR 38.7N 29.5W.

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST POST-TROPICAL GASTON NEAR 40.5N 23.5W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

.120 HOUR FORECAST...DISSIPATED.



...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION EIGHT NEAR 34.5N 74.6W 1011 MB AT 0300 UTC

AUG 31 MOVING NE OR 040 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT.  

.24 HOUR FORECAST TROPICAL STORM EIGHT NEAR 37.1N 71.0W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS

WITHIN 30 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW

QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER

WITHIN 60 NM OF CENTER WITH SEAS TO 14 FT. ELSEWHERE FROM 33N TO 

38N BETWEEN 68W AND 74W WINDS 20 TO 33 KT. SEAS TO 11 FT.

.48 HOUR FORECAST TROPICAL STORM EIGHT NEAR 41.5N 59.3W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS

WITHIN 60 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW

QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER

WITHIN 90 NM OF CENTER WITH SEAS TO 17 FT. ELSEWHERE FROM 36N TO 

44N BETWEEN 53W AND 64W WINDS 20 TO 33 KT. SEAS TO 11 FT. 

.72 HOUR FORECAST POST-TROPICAL EIGHT NEAR 45.1N 45.3W. MAXIMUM 

SUSTAINED WINDS 40 KT GUSTS 50 KT.

.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST...POST-TROPICAL EIGHT DISSIPATED.



...GALE WARNING...

.LOW 50N46W 986 MB MOVING NE 20 KT. WITHIN 360 NM S AND SW 

SEMICIRCLES...AND FROM 42N TO 53N BETWEEN 35W AND 41W WINDS 30 

TO 45 KT. SEAS 12 TO 22 FT. ELSEWHERE FROM 39N TO 54N BETWEEN 

35W AND 57W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.24 HOUR FORECAST LOW 55N38W 984 MB. FROM 45N TO 59N BETWEEN 35W 

AND 49W WINDS 25 TO 40 KT. SEAS 10 TO 22 FT...HIGHEST S OF THE 

LOW CENTER.

.48 HOUR FORECAST LOW E OF FORECAST AREA. FROM 50N TO 58N 

BETWEEN 35W AND 38W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.



.SYNOPSIS AND FORECAST. 



.FROM 58N TO 62N BETWEEN 40W AND 47W WINDS 20 TO 30 KT. SEAS TO 

8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



.OVER FORECAST WATERS N OF 61N W OF 57W AREA OF N WINDS TO 25 

KT. SEAS TO 8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



.24 HOUR FORECAST LOW INLAND 50N68W 1007 MB. WITHIN 420 NM S AND 

660 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 48N43W 1013 MB. WITHIN 360 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 10 FT.



.48 HOUR FORECAST NEW LOW 36N72W 1010 MB. FROM 31N TO 36N 

BETWEEN 67W AND 79W WINDS 20 TO 30 KT. SEAS TO 12 FT.



.48 HOUR FORECAST N OF 63N BETWEEN 52W AND 57W N TO NW WINDS 20 

TO 30 KT. SEAS TO 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF 

55N41W.

.24 HOUR FORECAST DENSE FOG FROM 53N TO 57N BETWEEN 35W AND 40W.

.48 HOUR FORECAST CONDITIONS IMPROVED. 



.HIGH 41N67W 1019 MB MOVING E 30 KT.

.24 HOUR FORECAST HIGH 42N50W 1020 MB.

.48 HOUR FORECAST HIGH 39N48W 1023 MB.



.HIGH 32N65W 1019 MB MOVING E 05 KT.

.24 HOUR FORECAST HIGH 32N63W 1018 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.FORECASTER COLLINS. 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 AUG 31.

24 HOUR FORECAST VALID 0000 UTC THU SEP 01.

48 HOUR FORECAST VALID 0000 UTC FRI SEP 02.



.WARNINGS.



...ATLC HURRICANE WARNING...

.HURRICANE GASTON NEAR 32.9N 50.9W 956 MB AT 0300 UTC AUG 31

MOVING ENE OR 070 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT

GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE

QUADRANT...140 NM SE QUADRANT...100 NM SW QUADRANT...AND 90 NM

NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM W

SEMICIRCLE...240 NM NE QUADRANT AND 210 NM SE QUADRANT WITH

MAXIMUM SEAS N OF AREA. ELSEWHERE OVER FORECAST WATERS WITHIN

240 NM SE AND 150 NM SW QUADRANTS WINDS 20 TO 33 KT. SEAS 9 TO

18 FT. REMAINDER OF AREA N OF 28N BETWEEN 46W AND 56W WINDS 20

KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 

.24 HOUR FORECAST HURRICANE GASTON NEAR 35.4N 46.0W. MAXIMUM

SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS

WITHIN 130 NM NE QUADRANT...160 NM SE QUADRANT...120 NM SW

QUADRANT...AND 100 NM NW QUADRANT. TROPICAL STORM FORCE WINDS N

OF 31N. OVER FORECAST WATERS WITHIN 330 NM SE AND 300 NM SW

QUADRANTS WINDS 20 TO 33 KT. SEAS 9 TO 14 FT. REMAINDER OF AREA

N OF 29N BETWEEN 40W AND 53W WINDS 20 KT OR LESS. SEAS 8 TO 11

FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE GASTON NEAR 37.9N 36.9W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS

WITHIN 120 NM NE QUADRANT...160 NM SE QUADRANT...130 NM SW

QUADRANT...AND 100 NM NW QUADRANT. OVER FORECAST WATERS N OF

30.5N BETWEEN 35W AND 45W WINDS 20 KT OR LESS. SEAS TO 8 FT IN

MIXED SWELL.

.72 HOUR FORECAST TROPICAL STORM GASTON NEAR 38.7N 29.5W.

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST POST-TROPICAL GASTON NEAR 40.5N 23.5W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

.120 HOUR FORECAST...DISSIPATED.



...GULF OF MEXICO TROPICAL STORM WARNING...

.TROPICAL DEPRESSION NINE NEAR 24.3N 87.8W 1004 MB AT 0300 UTC

AUG 31 MOVING NNW OR 345 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT. WITHIN 60 NM OF CENTER EXCEPT 300 NM E AND 180

NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.  

.24 HOUR FORECAST TROPICAL STORM NINE NEAR 26.3N 87.0W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS

WITHIN 60 NM E SEMICIRCLE AND 30 NM W SEMICIRCLE. SEAS 12 FT OR

GREATER  WITHIN 90 NM E SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE

WITHIN 90 NM OF CENTER...EXCEPT 300 NM NE AND 240 NM SE

QUADRANTS WINDS 20 TO 33 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST TROPICAL STORM NINE NEAR 29.6N 83.9W. MAXIMUM

SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS

WITHIN 80 NM E SEMICIRCLE...50 NM SW QUADRANT AND 60 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM SE SEMICIRCLE WITH

SEAS TO 19 FT.  ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 240 NM

SE AND 120 NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 

.72 HOUR FORECAST TROPICAL STORM NINE NEAR 33.4N 77.5W. MAXIMUM

SUSTAINED WINDS 60 KT GUSTS 75 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST TROPICAL STORM NINE NEAR 37.1N 70.0W. MAXIMUM

SUSTAINED WINDS 60 KT GUSTS 75 KT.

.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL NINE NEAR 39.0N

68.2W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.



FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE

USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE

AND INTENSITY.



.SYNOPSIS AND FORECAST.



.ATLC N OF 27N W OF 78.5W SE TO S WINDS 20 TO 25 KT. SEAS TO 8

FT.

.24 HOUR FORECAST N OF 29N W OF 76.5W SW WINDS 20 TO 25 KT. SEAS

TO 8 FT.

.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.ATLC 24 HOUR FORECAST S OF 21N BETWEEN 69.5W AND 72.5W E WINDS

20 TO 25 KT. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST S OF 21.5N BETWEEN 70W AND 72.5W E WINDS 20 TO

25 KT. SEAS LESS THAN 8 FT.



.ATLC 30 HOUR FORECAST FROM 20N TO 24N E OF 37W WINDS 20 KT OR

LESS. SEAS 8 FT IN NE TO E SWELL.

.48 HOUR FORECAST FROM 16.5N TO 23N E OF 42W WINDS 20 TO 25 KT.

SEAS 8 TO 10 FT. FROM 19N TO 23.5N BETWEEN 42W AND 44W WINDS 20

KT OR LESS. SEAS 8 FT IN NE TO E SWELL.



.CARIBBEAN FROM 11N TO 16N BETWEEN 68W AND 71.5W...AND FROM 12N

TO 16N BETWEEN 71.5W AND 76W...E WINDS 20 TO 25 KT. SEAS TO 9

FT. FROM 17N TO 19N BETWEEN 73W AND 79W SE WINDS 20 TO 25 KT.

SEAS TO 8 FT.

.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 69W AND 77W E WINDS 20

TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 11N TO 18N BETWEEN 70W AND 76W E WINDS 20

TO 25 KT. SEAS TO 9 FT. FROM 12.5N TO 17N BETWEEN 76W AND 80W

WINDS 20 KT OR LESS. SEAS 8 TO 9 FT.



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



$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

