

131 

FZNT01 KWBC 271605

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC SAT AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 27 

24 HOUR FORECAST VALID 1200 UTC AUG 28 

48 HOUR FORECAST VALID 1200 UTC AUG 29 



.WARNINGS. 



 ...GALE WARNING...

 .LOW 48N52W 1005 MB MOVING NE 25 KT. WITHIN 300 NM S QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW 53N36W 999 MB. FRONT FROM LOW TO 50N38W TO 

46N40W TO 40N49W. WITHIN 180 NM E OF FRONT FROM 50N TO 43N WINDS 

25 TO 35 KT. SEAS TO 12 FT. ALSO WITHIN 240 NM SE QUADRANT...AND 

300 NM SE OF FRONT WINDS 20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW 57N35W 991 MB. WITHIN 240 NM NW AND 

W...AND 480 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. 

ALSO FROM 46N TO 60N E OF 44W WINDS 20 TO 30 KT. SEAS 8 TO 14 

FT. 





 ...GALE WARNING...

.COMPLEX LOW WITH MAIN LOW 54N46W 1005 MB DRIFTING E. FROM 53N 

TO 60N BETWEEN 40W AND 52W AND FROM 53N TO 57N BETWEEN 35W AND 

40W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW 54N43W 1003 MB. WITHIN 300 NM N AND NW 

QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT. ALSO FROM 55N TO 58N 

BETWEEN 35W AND 43W...AND 540 NM SW AND 360 NM NW QUADRANTS  

WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED INTO LOW 57N35W 

ABOVE. 



.SYNOPSIS AND FORECAST. 



.LOW 31N66W 1010 MB MOVING W 10 KT. OVER FORECAST WATERS WITHIN 

120 NM N SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW 32N69W 1012 MB. WITHIN 240 NM N SEMICIRCLE 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.48 HOUR FORECAST LOW 33N74W 1014 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT. 



.48 HOUR FORECAST EXCEPT AS NOTED BELOW WITH HURRICANE GASTON 

OVER FORECAST WATERS S OF 36N BETWEEN 50W AND 60W WINDS 20 TO 33 

KT. SEAS 9 TO 18 FT. 



.48 HOUR FORECAST OVER FORECAST WATERS N OF 63N BETWEEN 53W AND 

60W AREA OF N TO NW WINDS TO 25 KT. SEAS LESS THAN 8 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 49N 

BETWEEN 44W AND 53W...AND 240 NM NE OF A LINE FROM 50N35W TO 

56N54W TO 60N60W TO 61N65W...EXCEPT WITHIN 360 NM NE OF LINE W 

OF 55W. 

.24 HOUR FORECAST DENSE FOG FROM 47N TO 55N E OF 41W.  

.48 HOUR FORECAST CONDITIONS IMPROVED. 



.HIGH 40N36W 1026 MB MOVING NE 20 KT. 

.24 HOUR FORECAST HIGH E OF THE AREA. 



.24 HOUR FORECAST HIGH INLAND 45N66W 1027 MB.

.48 HOUR FORECAST HIGH 43N51W 1023 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 SAT AUG 27.

24 HOUR FORECAST VALID 1200 UTC SUN AUG 28.

48 HOUR FORECAST VALID 1200 UTC MON AUG 29.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 28.4N 53.2W 995 MB AT 1500 UTC AUG

27 MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 60 KT

GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE

QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW

QUADRANT.  SEAS 12 FT OR GREATER WITHIN 120 NM S

SEMICIRCLE...240 NM NE QUADRANT AND 180 NM NW QUADRANT WITH SEAS

TO 27 FT. ELSEWHERE WITHIN 210 NM N SEMICIRCLE AND 120 NM S

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 14 FT. REMAINDER OF

AREA OVER FORECAST WATERS N OF 24N BETWEEN 45W AND 58W WINDS 20

KT OR LESS. SEAS TO 12 FT IN MIXED SWELL. 

.24 HOUR FORECAST HURRICANE GASTON NEAR 30.1N 55.3W. MAXIMUM

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

WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW

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

240 NM NE QUADRANT...210 NM NW QUADRANT...AND 120 NM S

SEMICIRCLE WITH SEAS TO 30 FT. ELSEWHERE WITHIN 210 NM N

SEMICIRCLE AND 120 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 12 TO

15 FT. REMAINDER OF AREA OVER FORECAST WATERS N OF 26N BETWEEN

50W AND 63W WINDS 20 KT OR LESS. SEAS TO 13 FT IN MIXED SWELL. 

.48 HOUR FORECAST HURRICANE GASTON NEAR 31.3N 56.3W. MAXIMUM

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

WITHIN 140 NM NE QUADRANT...130 NM SE QUADRANT...100 NM SW

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

270 NM NE QUADRANT...210 NM NW QUADRANT...AND 150 NM S

SEMICIRCLE WITH SEAS TO 32 FT. ELSEWHERE OVER FORECAST WATERS

WITHIN 180 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 11 TO 15 FT.

REMAINDER OF AREA OVER FORECAST WATERS N OF 27N BETWEEN 50W AND

64W WINDS 20 KT OR LESS. SEAS TO 12 FT IN MIXED SWELL. 

.72 HOUR FORECAST HURRICANE GASTON NEAR 32.6N 54.4W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 34.2N 49.6W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 36.9N 43.7W. 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.



.ATLC LOW PRES NEAR 31N66W 1010 MB. WITHIN 75 NM E SEMICIRCLE OF

LOW SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW PRES N OF AREA. OVER FORECAST WATERS WINDS

20 KT OR LESS. SEAS LESS THAN 8 FT.



.ATLC LOW PRES NEAR 24N78W 1009 MB. WITHIN 120 NM NE QUADRANT OF

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

.24 HOUR FORECAST LOW PRES NEAR 24N81W 1009 MB. 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.

