

982 

FZNT01 KWBC 232150

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC TUE AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 23 

24 HOUR FORECAST VALID 1800 UTC AUG 24 

48 HOUR FORECAST VALID 1800 UTC AUG 25 



.WARNINGS. 



...GALE WARNING... 

.LOW 56N59W 995 MB MOVING NW 20 KT. OVER FORECAST WATERS WITHIN 

120 NM W SEMICIRCLE...ALSO N OF 60N BETWEEN 57W AND A LINE FROM 

60N49W TO 67N55W WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE 

FROM 43N TO 60N BETWEEN 48W AND 64W WINDS 20 TO 30 KT. SEAS TO 

11 FT. 

.24 HOUR FORECAST LOW 63N64W 993 MB. FRONT TO EXTEND FROM THE 

LOW TO 58N46W TO 55N42W. WITHIN 180 NM E AND NE OF THE FRONT N 

OF 58N WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE WITHIN 120 

NM E OF THE FRONT S OF 58N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.   

.48 HOUR FORECAST LOW MOVED INLAND. WITHIN 90 NM SW OF A LINE 

FROM 67N58W TO 62N51W TO 60N44W WINDS TO 25 KT. SEAS TO 10 FT.   



.SYNOPSIS AND FORECAST. 



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

WATERS W OF A LINE FROM 67N58W TO 61N54W TO 55N45W AND FROM 43N 

TO 55N BETWEEN 45W AND 54W.

.24 HOUR FORECAST DENSE FOG WITHIN 90 NM E OF A LINE FROM 55N43W 

TO 52N40W. 

.48 HOUR FORECAST DENSE FOG N OF 65N BETWEEN 59W AND 62W AND 

WITHIN 60 NM OF 61N53W.



.HIGH 40N35W 1027 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH MOVED E OF AREA.



.HIGH 61N42W 1022 MB MOVING NE 10 KT.

.24 HOUR FORECAST HIGH 63N38W 1019 MB.

.48 HOUR FORECAST HIGH 65N37W 1017 MB.



.HIGH 34N51W 1025 MB MOVING NE 10 KT.

.24 HOUR FORECAST HIGH 35N46W 1025 MB.

.48 HOUR FORECAST HIGH DISSIPATED. 



.HIGH INLAND 39N75W 1027 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH 39N70W 1026 MB. 

.48 HOUR FORECAST HIGH MERGED WITH HIGH 42N49W DESCRIBED BELOW.



.24 HOUR FORECAST NEW HIGH 36N36W 1026 MB.

.48 HOUR FORECAST HIGH 34N36W 1024 MB.



.48 HOUR FORECAST NEW HIGH 42N49W 1025 MB.



.FORECASTER REINHART. 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 1800 UTC TUE AUG 23.

24 HOUR FORECAST VALID 1800 UTC WED AUG 24.

48 HOUR FORECAST VALID 1800 UTC THU AUG 25.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 14.2N 35.8W 1002 MB AT 2100 UTC AUG

23 MOVING WNW OR 290 DEG AT 16 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 AND 30 NM S SEMICIRCLE WITH

SEAS TO 18 FT. ELSEWHERE FROM 11N TO 18N E OF 37W WINDS 20 TO 33

KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST HURRICANE GASTON NEAR 16.8N 40.7W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 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 28 FT. ELSEWHERE WITHIN

330 NM NE AND 180 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO

12 FT. 

.48 HOUR FORECAST HURRICANE GASTON NEAR 20.8N 45.4W. MAXIMUM

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

WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW

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

240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 36 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 25.5N 49.6W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 28.5N 53.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 31.0N 54.5W. 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 11N55W TO 22N61W WITH LOW PRES NEAR

17N58W 1009 MB. FROM 17N TO 21N BETWEEN 55W AND 59W E TO SE

WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

19N65W 1007 MB. S OF 22N AND N OF A LINE FROM 17N60W TO 20N66W E

TO SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

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

22N71W 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 26N65W 1014 MB. WITHIN 90

NM NE SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

20 KT OR LESS. SEAS LESS THAN 8 FT.



.CARIBBEAN FROM 10.5N TO 13N BETWEEN 75W AND 80W NE WINDS 20 TO

25 KT. SEAS 8 TO 9 FT.

.24 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.

