

831 

FZNT01 KWBC 301603

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC TUE AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 30 

24 HOUR FORECAST VALID 1200 UTC AUG 31 

48 HOUR FORECAST VALID 1200 UTC SEP 01 



.WARNINGS. 



.FOR INFORMATION REGARDING TROPICAL DEPRESSION NINE PLEASE SEE 

MIAMI SECTION BELOW. 



...HURRICANE WARNING...

.HURRICANE GASTON NEAR 32.2N 52.9W 968 MB AT 1500 UTC AUG 30

MOVING ENE OR 060 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 90 KT

GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E

SEMICIRCLE AND 80 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN

210 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 35 FT.

FROM 31N TO 37N BETWEEN 47W AND 56W WINDS 20 TO 33 KT. SEAS TO 

15 FT.

.24 HOUR FORECAST HURRICANE GASTON NEAR 34.1N 49.1W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS

WITHIN 90 NM W SEMICIRCLE...130 NM NE QUADRANT AND 150 NM SE

QUADRANT. SEAS 12 FT OR GREATER WITH SEAS TO 40 FT. FROM 31N TO 

40N BETWEEN 43W AND 53W WINDS 20 TO 33 KT. SEAS TO 18 FT.

.48 HOUR FORECAST HURRICANE GASTON NEAR 37.6N 41.2W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS

WITHIN 140 NM NE QUADRANT...160 NM SE QUADRANT...110 NM SW

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

WITH SEAS TO 45 FT. FROM 32N TO 42N BETWEEN 47W AND 36W WINDS 20 

TO 33 KT. SEAS TO 20 FT.

.72 HOUR FORECAST HURRICANE GASTON NEAR 39.0N 32.7W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

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

.96 HOUR FORECAST TROPICAL STORM GASTON NEAR 39.5N 28.2W.

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

.120 HOUR FORECAST TROPICAL STORM GASTON NEAR 42.0N 24.0W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.



...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION EIGHT NEAR 34.2N 75.3W 1011 MB AT 1500 UTC

AUG 30 MOVING NNW OR 335 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT. FROM 33N TO 38N BETWEEN 71W AND 76W WINDS TO 30 

KT. SEAS TO 11 FT.  

.24 HOUR FORECAST TROPICAL STORM EIGHT NEAR 35.7N 74.1W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS

WITHIN 40 NM E SEMICIRCLE AND 20 NM W SEMICIRCLE. SEAS 12 FT OR

GREATER WITH SEAS TO 21 FT. FROM 32N TO 39N BETWEEN 70W AND 77W 

WINDS 20 TO 33 KT. SEAS TO 12 FT.

.48 HOUR FORECAST TROPICAL STORM EIGHT NEAR 39.4N 67.3W. MAXIMUM

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

WITHIN 60 NM NE AND SW QUADRANTS...20 NM NW QUADRANT AND 80 NM

SE QUADRANT. SEAS 12 FT OR GREATER WITH SEAS TO 22 FT. FROM 35N 

TO 42N BETWEEN 71W AND 62W WINDS 20 TO 33 KT. SEAS TO 12 FT.

.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL EIGHT NEAR 45.0N

53.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

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



...STORM WARNING... 

.LOW 49N52W 988 MB MOVING NE 20 KT. WITHIN 420 NM S AND SW 

QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.  

.06 HOUR FORECAST LOW 50N49W 985 MB. WITHIN 240 NM W AND SW 

QUADRANTS WINDS 35 TO 50 KT. SEAS 11 TO 21 FT. 

.24 HOUR FORECAST LOW 54N42W 984 MB. WITHIN 480 NM SE AND 360 NM 

SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 22 FT. ELSEWHERE FROM 

44N TO 58N BETWEEN 35W AND 53W WINDS 20 TO 30 KT. SEAS 8 TO 19 

FT. 

.48 HOUR FORECAST LOW 56N35W 987 MB. WITHIN 480 NM S QUADRANT 

WINDS 25 TO 40 KT. SEAS 11 TO 19 FT. ALSO FROM 45N TO 59N E OF 

45W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 64N51W 994 MB NEARLY STATIONARY. WITHIN 300 NM W AND NW 

QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED. 



.48 HOUR FORECAST FROM 43N TO 46N BETWEEN 50W AND 58W WINDS TO 

25 KT. SEAS TO 8 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 52N 

BETWEEN 53W AND 48W. 

.24 HOUR FORECAST DENSE FOG FROM 53N TO 57N BETWEEN 35W AND 46W. 

.48 HOUR FORECAST CONDITIONS IMPROVED.  



.24 HOUR FORECAST HIGH 41N60W 1020 MB. 

.48 HOUR FORECAST HIGH 40N51W 1022 MB. 



.FORECASTER ROWLAND. 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 1200 UTC TUE AUG 30.

24 HOUR FORECAST VALID 1200 UTC WED AUG 31.

48 HOUR FORECAST VALID 1200 UTC THU SEP 01.



.WARNINGS.



...ATLC HURRICANE WARNING...

.HURRICANE GASTON NEAR 32.2N 52.9W 968 MB AT 1500 UTC AUG 30

MOVING ENE OR 060 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 90 KT

GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E

SEMICIRCLE AND 80 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN

210 NM E SEMICIRCLE AND 180 NM W SEMICIRCLES. ELSEWHERE OVER

FORECAST WATERS WITHIN 240 NM S SEMICIRCLE WINDS 20 TO 33 KT.

SEAS 10 TO 12 FT. REMAINDER OF AREA N OF 27N BETWEEN 48W AND 58W

WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.

.24 HOUR FORECAST HURRICANE GASTON NEAR 34.1N 49.1W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT. RADII OF TROPICAL STORM

FORCE WINDS N OF 31N. OVER FORECAST WATERS WITHIN 270 NM S

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 16 FT. REMAINDER OF

AREA N OF 28N BETWEEN 43W AND 55W WINDS 20 KT OR LESS. SEAS 8 TO

12 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE GASTON NEAR 37.6N 41.2W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT. AREA OF TROPICAL STORM FORCE

WINDS AND 12 FT SEAS N OF 31N. OVER FORECAST WATERS N OF 29N

BETWEEN 36W AND 50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SWELL.

.72 HOUR FORECAST HURRICANE GASTON NEAR 39.0N 32.7W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

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

.96 HOUR FORECAST TROPICAL STORM GASTON NEAR 39.5N 28.2W.

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

.120 HOUR FORECAST TROPICAL STORM GASTON NEAR 42.0N 24.0W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.



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

.TROPICAL DEPRESSION NINE NEAR 24.0N 87.2W 1004 MB AT 1500 UTC

AUG 30 MOVING WNW OR 290 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT. WITHIN 60 NM OF CENTER EXCEPT 150 NM E QUADRANT

WINDS 20 TO 30 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST TROPICAL STORM NINE NEAR 25.4N 87.4W. MAXIMUM

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

WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...AND 30 NM NW

QUADRANT. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 150 NM E AND

SE QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 

.48 HOUR FORECAST TROPICAL STORM NINE NEAR 28.5N 84.5W. MAXIMUM

SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS

WITHIN 60 NM E SEMICIRCLE...30 NM SW QUADRANT AND 50 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE WITH

SEAS TO 16 FT.  ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 180 NM

S QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 

.72 HOUR FORECAST TROPICAL STORM NINE NEAR 31.6N 79.0W. MAXIMUM

SUSTAINED WINDS 50 KT GUSTS 60 KT.

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

.96 HOUR FORECAST TROPICAL STORM NINE NEAR 34.0N 72.0W. MAXIMUM

SUSTAINED WINDS 50 KT GUSTS 60 KT.

.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL NINE NEAR 36.5N

66.0W. 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 24 HOUR FORECAST N OF 28N W OF 77W S WINDS 20 TO 25 KT.

SEAS TO 8 FT.

.36 HOUR FORECAST N OF 29N W OF 73W SW WINDS 20 TO 30 KT. 

SEAS 8 TO 11 FT. 

.48 HOUR FORECAST N OF 30N W OF 73W SW WINDS 20 TO 25 KT. SEAS 8

TO 10 FT. 



.ATLC 48 HOUR FORECAST FROM 17N TO 25N E OF 38W NE WINDS 20 TO

25 KT. SEAS 8 TO 10 FT.



.CARIBBEAN FROM 11N TO 16N BETWEEN 67W AND 75W E TO SE WINDS 20

TO 25 KT. SEAS 8 TO 10 FT.

.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 68W AND 80W E WINDS 20

TO 25 KT. SEAS 8 TO 11 FT.

.48 HOUR FORECAST FROM 11N TO 18N BETWEEN 70W AND 81W E WINDS 20

TO 25 KT. SEAS 8 TO 11 FT.



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



$$

.FORECASTER COBB. NATIONAL HURRICANE CENTER.

