

298 

FZNT01 KWBC 281615

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC SUN AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 28 

24 HOUR FORECAST VALID 1200 UTC AUG 29 

48 HOUR FORECAST VALID 1200 UTC AUG 30 



.WARNINGS. 



...HURRICANE WARNING...

.HURRICANE GASTON NEAR 30.5N 54.8W 970 MB AT 1500 UTC AUG 28

MOVING NW OR 320 DEG AT 4 KT. SEE MIAMI SECTION FOR DETAILS ON 

HURRICANE GASTON BELOW. OTHERWISE SEE SYNOPSIS AND FORECAST 

BELOW.



...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION EIGHT NEAR 31.5N 70.0W 1009 MB AT 1500 UTC

AUG 28 MOVING W OR 280 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT. FROM 31N TO 36N BETWEEN 65W AND 73W WINDS 20 TO 

30 KT. SEAS TO 9 FT.  

.24 HOUR FORECAST TROPICAL DEPRESSION EIGHT NEAR 32.9N 73.3W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 10 FT. FROM  

30N TO 36N BETWEEN 70W AND 78W WINDS 20 TO 30 KT. SEAS TO 8 FT.

.48 HOUR FORECAST TROPICAL STORM EIGHT NEAR 34.2N 75.0W. MAXIMUM

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

WITHIN 0 NM S SEMICIRCLE...30 NM NE QUADRANT AND 20 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITH SEAS TO 15 FT. FROM 31N TO 

37N BETWEEN 79W AND 71W WINDS 20 TO 33 KT. SEAS TO 12 FT. 

.72 HOUR FORECAST TROPICAL STORM EIGHT NEAR 36.5N 73.0W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

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

.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL EIGHT NEAR 39.0N

66.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.



...GALE WARNING... 

.LOW 53N38W 996 MB MOVING NE 10 KT. WITHIN 420 NM NW AND 540 NM 

SW QUADRANTS...AND 240 NM E OF FRONT FROM 49N39W TO 43N44W WINDS 

25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 38N TO 58N BETWEEN 

50W AND 35W...AND FROM 44N TO 54N BETWEEN 50W AND 56W WINDS 20 

TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW 54N36W 988 MB. WITHIN 420 NM S...360 NM W 

AND N QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. ALSO FROM 

46N TO 61N E OF 47W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. 

.48 HOUR FORECAST LOW E OF AREA 58N26W 989 MB. OVER FORECAST 

WATERS FROM 52N TO 58N E OF 39W WINDS 20 TO 30 KT. SEAS TO 11 

FT. 

...GALE WARNING... 

.30 HOUR FORECAST LOW 49N61W 1006 MB. WITHIN 360 NM S AND SE 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 50N51W 992 MB. WITHIN 360 NM SE...240 NM 

NE...AND 420 NM SW AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. 

SEAS 8 TO 16 FT. 



.SYNOPSIS AND FORECAST. 



.24 HOUR FORECAST N OF 64N BETWEEN 53W AND 59W WINDS TO 25 KT. 

SEAS TO 8 FT.

.48 HOUR FORECAST LOW 996 MB. WITHIN 300 NM W SEMICIRCLE WINDS 

20 TO 30 KT. SEAS 8 TO 12 FT. 



.24 HOUR FORECAST EXCEPT AS NOTED BELOW WITH HURRICANE GASTON 

OVER FORECAST WATERS S OF 35N BETWEEN 52W AND 62W WINDS 20 TO 33 

KT. SEAS 9 TO 19 FT. 

.48 HOUR FORECAST EXCEPT AS NOTED BELOW WITH HURRICANE GASTON 

OVER FORECAST WATERS S OF 37N BETWEEN 49W AND 60W WINDS 20 TO 33 

KT. SEAS 11 TO 22 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 55N E 

OF 41W AND FROM 60N TO 65N BETWEEN 54W AND 60W. 

.24 HOUR FORECAST CONDITIONS IMPROVED. 



.HIGH INLAND 46N65W 1028 MB MOVING SE 25 KT.

.24 HOUR FORECAST HIGH 43N55W 1024 MB. 

.48 HOUR FORECAST HIGH 42N34W 1023 MB.



.48 HOUR FORECAST NEW HIGH 33N68W 1019 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 SUN AUG 28.

24 HOUR FORECAST VALID 1200 UTC MON AUG 29.

48 HOUR FORECAST VALID 1200 UTC TUE AUG 30.



.WARNINGS.



...ATLC HURRICANE WARNING...

.HURRICANE GASTON NEAR 30.5N 54.8W 970 MB AT 1500 UTC AUG 28

MOVING NW OR 320 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 90 KT

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

SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW QUADRANT.  SEAS 12

FT OR GREATER WITHIN 180 NM N AND 150 NM S SEMICIRCLES WITH SEAS

TO 29 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT.

SEAS 9 TO 12 FT. REMAINDER OF AREA OVER FORECAST WATERS N OF 26N

BETWEEN 49W AND 61W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED

SWELL.

.24 HOUR FORECAST HURRICANE GASTON NEAR 31.2N 55.6W. MAXIMUM

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

WITHIN 130 NM NE...120 NM SE...80 NM SW AND 110 NM NW QUADRANTS.

SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER WITH SEAS TO 33 FT.

ELSEWHERE N OF 28N BETWEEN 50W AND 61W WINDS 20 TO 33 KT. SEAS 8

TO 12 FT.

.48 HOUR FORECAST HURRICANE GASTON JUST N OF AREA NEAR 32.4N

53.7W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL

STORM FORCE WINDS WITHIN 140 NM NE...130 NM SE...100 NM SW AND

110 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 180 NM OF

CENTER...EXCEPT 240 NM NE QUADRANT WITH SEAS TO 35 FT. ELSEWHERE

OVER FORECAST WATERS N OF 27N BETWEEN 48W AND 59W WINDS 20 TO 33

KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST HURRICANE GASTON NEAR 34.3N 49.4W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 36.5N 44.0W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 38.5N 36.5W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 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...CORRECTED



.GULF OF MEXICO LOW PRES NEAR 24N81W 1009 MB. WITHIN 180 NM NE

QUADRANT OF LOW E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR

25N84W 1008 MB. WITHIN 120 NM N QUADRANT...AND 30 NM SE AND S

QUADRANTS OF LOW WINDS 20 TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR

26N86W 1006 MB. WITHIN 150 NM NE SEMICIRCLE AND 30 NM SW

SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 



.CARIBBEAN 30 HOUR FORECAST FROM 12N TO 14N BETWEEN 69W AND 73W

E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST FROM 12N TO 14N BETWEEN 68W AND 71W AND FROM

12.5N TO 15N BETWEEN 71W AND 76W E WINDS 20 TO 25 KT. SEAS 8 FT.



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



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

