

425 

FZNT01 KWBC 240345

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC WED AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 24 

24 HOUR FORECAST VALID 0000 UTC AUG 25 

48 HOUR FORECAST VALID 0000 UTC AUG 26 



.WARNINGS. 



...GALE WARNING... 

.LOW 58N58W 996 MB MOVING NW 20 KT. FRONT EXTENDS FROM LOW 

CENTER TO 50N50W TO 47N48W. OVER FORECAST WATERS W OF A LINE 

FROM 61N62W TO 53N54W...WITHIN 480 NM NE AND 420 NM E 

QUADRANTS...AND ELSEWHERE WITHIN 180 NM E OF THE FRONT WINDS 25 

TO 35 KT. SEAS TO 12 FT. 

.24 HOUR FORECAST LOW INLAND 64N71W 994 MB. FRONT TO EXTEND FROM 

THE LOW CENTER TO 65N63W TO 57N41W. WITHIN 120 NM NE OF THE 

FRONT N OF 58N WINDS 30 TO 45 KT. SEAS 11 TO 21 FT. 

.48 HOUR FORECAST LOW WELL INLAND. WITHIN 60 NM NE OF A LINE 

FROM 62N53W TO 59N45W WINDS TO 25 KT. SEAS TO 8 FT. 



.SYNOPSIS AND FORECAST. 



.48 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 50N49W 

TO 48N49W TO 42N70W AREA OF SW WINDS TO 25 KT. SEAS LESS THAN 8 

FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST 

WATERS W OF A LINE FROM 67N58W TO 65N58W TO 54N44W AND FROM 42N 

TO 54N BETWEEN 44W AND 54W. 

.24 HOUR FORECAST DENSE FOG N OF 64N AND W OF 60W.

.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 67N58W TO 63N62W 

AND FROM 47N TO 52N W OF 49W.



.HIGH 33N51W 1025 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH INLAND 39N73W 1025 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 40N67W 1026 MB.

.48 HOUR FORECAST HIGH 42N48W 1025 MB.



.HIGH 62N42W 1023 MB MOVING NE 05 KT. 

.24 HOUR FORECAST HIGH 63N36W 1018 MB. 

.48 HOUR FORECAST HIGH 62N39W 1017 MB. 



.48 HOUR FORECAST HIGH 35N41W 1025 MB. 



.FORECASTER BELL. 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 24.

24 HOUR FORECAST VALID 0000 UTC THU AUG 25.

48 HOUR FORECAST VALID 0000 UTC FRI AUG 26.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 14.7N 37.1W 1002 MB AT 0300 UTC AUG

24 MOVING WNW OR 290 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT

GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N

SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW QUADRANT.  SEAS 12

FT OR GREATER WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND

30 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE FROM 12N TO 19N

E OF 39W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST HURRICANE GASTON NEAR 17.5N 41.7W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS

WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 60 NM

SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE SEMICIRCLE

AND 120 NM SW SEMICIRCLE WITH SEAS TO 32 FT. ELSEWHERE WITHIN

300 NM NE AND 210 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO

12 FT.

.48 HOUR FORECAST HURRICANE GASTON NEAR 22.0N 46.2W. MAXIMUM

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

WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW

QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 37 FT.

ELSEWHERE OVER FORECAST WATERS WITHIN 360 NM OF CENTER WINDS 20

TO 33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST HURRICANE GASTON NEAR 26.5N 51.0W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 29.5N 54.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 31.5N 55.0W. MAXIMUM

SUSTAINED WINDS 85 KT GUSTS 105 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 TROPICAL WAVE FROM 11N57W TO 22N64W WITH LOW PRES NEAR

15N59W 1009 MB. FROM 17N TO 22N BETWEEN 56W AND 61W E TO SE

WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

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

20N66W 1007 MB. FROM 19N TO 24N BETWEEN 62W AND 68W E TO SE

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

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

22N72W 1006 MB. WITHIN 240 NM NE SEMICIRCLE OF LOW WINDS 20 TO

30 KT. SEAS 8 TO 11 FT.



.ATLC POST-TROPICAL CYCLONE FIONA NEAR 26N66W 1015 MB. WITHIN 90

NM NE SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT.

.12 HOUR FORECAST POST-TROPICAL CYCLONE FIONA DISSIPATED. WINDS

20 KT OR LESS. SEAS LESS THAN 8 FT.



.CARIBBEAN FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 20 TO

25 KT. SEAS TO 8 FT.

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



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



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

