

326 

FZNT01 KWBC 231549

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 23 

24 HOUR FORECAST VALID 1200 UTC AUG 24 

48 HOUR FORECAST VALID 1200 UTC AUG 25 



.WARNINGS. 



...GALE WARNING... 

.LOW 66N63W 1003 MB MOVING NW 10 KT. BETWEEN 120 NM AND 240 NM E 

QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 

180 NM E OF A LINE FROM 67N61W TO 59N54W WINDS 20 TO 30 KT. SEAS 

TO 11 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED BELOW 

WITH LOW 63N63W. 



...GALE WARNING... 

.LOW INLAND 53N60W 997 MB MOVING N 25 KT. OVER FORECAST WATERS 

FROM 40N TO 57N BETWEEN 50W AND 65W WINDS 20 TO 30 KT. SEAS TO 8 

FT. 

.12 HOUR FORECAST LOW 59N59W 996 MB. WITHIN 300 NM NE QUADRANT 

WINDS 25 TO 35 KT. SEAS TO 12 FT. 

.24 HOUR FORECAST LOW 63N63W 994 MB. FRONT TO EXTEND FROM LOW TO 

NEW LOW 60N56W 995 MB TO 56N47W. WITHIN 240 NM NE OF THE FRONT 

WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE WITHIN 960 NM SE 

QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.     

.48 HOUR FORECAST LOW MOVED INLAND. WITHIN 90 NM W AND S OF A 

LINE FROM 65N54W TO 61N48W TO 60N43W WINDS 20 TO 30 KT. SEAS 8 

TO 13 FT.   



.SYNOPSIS AND FORECAST. 



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

WATERS W OF A LINE FROM 67N58W TO 54N46W AND FROM 43N TO 54N 

BETWEEN 47W AND 57W.

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NE AND E OF A LINE 

FROM 56N49W TO 52N44W TO 45N44W AND WITHIN 90 NM OF 64N61W.

.48 HOUR FORECAST DENSE FOG WITHIN 60 NM OF 66N61W.



.HIGH 39N36W 1028 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH MOVED E OF AREA. 



.HIGH 34N50W 1026 MB NEARLY STATIONARY.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH INLAND 40N78W 1029 MB MOVING E 15 KT.

.24 HOUR FORECAST HIGH 40N69W 1026 MB.

.48 HOUR FORECAST HIGH 41N60W 1025 MB. 



.24 HOUR FORECAST NEW HIGH 62N40W 1020 MB.

.48 HOUR FORECAST HIGH 63N42W 1018 MB.



.48 HOUR FORECAST NEW HIGH 34N37W 1026 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 1200 UTC TUE AUG 23.

24 HOUR FORECAST VALID 1200 UTC WED AUG 24.

48 HOUR FORECAST VALID 1200 UTC THU AUG 25.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 13.8N 34.6W 1002 MB AT 1500 UTC AUG

23 MOVING WNW OR 285 DEG AT 18 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 17 FT. 

.24 HOUR FORECAST HURRICANE GASTON NEAR 16.1N 39.9W. MAXIMUM

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

WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW

QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

150 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 26 FT.

ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO

12 FT. REMAINDER OF AREA OVER FORECAST WATERS WITHIN 300 NM OF

CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 

.48 HOUR FORECAST HURRICANE GASTON NEAR 19.8N 44.6W. 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

210 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE WITH SEAS TO 36 FT.

ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM OF CENTER WINDS 20

TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA OVER FORECAST

WATERS WITHIN 360 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10

FT IN MIXED SWELL. 

.72 HOUR FORECAST HURRICANE GASTON NEAR 24.2N 48.9W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 27.7N 52.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 30.7N 53.5W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.



FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE

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

AND INTENSITY.



...GALE WARNING...

.ATLC TROPICAL WAVE FROM 12N55W TO 21N57W WITH LOW PRES NEAR

16N56W 1009 MB. WITHIN 180 NM NE QUADRANT E TO SE WINDS 20 TO 25

KT. WITHIN 360 NM NE QUADRANT SEAS TO 9 FT. SCATTERED TSTMS

WITHIN 180 NM OF LOW. 

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

18N63W 1008 MB. WITHIN 60 NM NE QUADRANT AND 50 NM SE QUADRANT

OF LOW WINDS 30 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 240 NE

SEMICIRCLE AND 60 NM SW SEMICIRCLE OF LOW WINDS 20 TO 33 KT.

SEAS TO 9 FT IN MIXED SWELL. SCATTERED TSTMS WITHIN 150 NM OF

LOW.

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

21N69W 1006 MB. WITHIN 60 NM NE QUADRANT AND 50 NM SE QUADRANT

OF LOW WINDS 30 TO 35 KT. SEAS TO 14 FT. ELSEWHERE WITHIN 270 NE

SEMICIRCLE AND 60 NM SW SEMICIRCLE OF LOW WINDS 20 TO 33 KT.

SEAS TO 10 FT IN MIXED SWELL. 



.SYNOPSIS AND FORECAST.



.POST-TROPICAL CYCLONE FIONA NEAR 26.1N 64.5W 1014 MB AT 1500

UTC AUG 23 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED

WINDS 25 KT GUSTS 35 KT.  WITHIN 90 NM OF CENTER WINDS 20 TO 25

KT. SEAS TO 11 FT. ELSEWHERE WITHIN 120 NM NE SEMICIRCLE AND 90

NM SW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED

SWELL.

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 27.5N

67.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 90 NM

OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 29.0N

69.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 60 NM

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

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 29.5N

71.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

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

.96 HOUR FORECAST...DISSIPATED.



.CARIBBEAN FROM 10N TO 14N BETWEEN 74W AND 80W NE TO E WINDS 20

TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 75W

AND 83W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL.

.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 78W NE TO E

WINDS 20 TO 25 KT. SEAS TO 9 FT.

.36 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 LATTO. NATIONAL HURRICANE CENTER.

