

046 

FZNT01 KWBC 262214

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC FRI AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 26 

24 HOUR FORECAST VALID 1800 UTC AUG 27 

48 HOUR FORECAST VALID 1800 UTC AUG 28 



.WARNINGS. 



...GALE WARNING... 

.LOW 54N49W 1004 MB DRIFTING E. FROM 57N TO 60N BETWEEN 41W AND 

49W WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE WITHIN 660 NM N 

AND 780 NM S SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW 54N45W 1003 MB. WITHIN 300 NM NE QUADRANT 

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 660 NM 

NW...600 NM NE...840 NM SE AND 1020 NM SW QUADRANTS WINDS TO 25 

KT. SEAS TO 10 FT. 

.48 HOUR FORECAST LOW 54N36W 997 MB. WITHIN 420 NM NW QUADRANT 

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 36N TO 61N E OF 

54W WINDS TO 25 KT. SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



.24 HOUR FORECAST EXCEPT AS NOTED IN PART 2 WITH HURRICANE 

GASTON BELOW FROM 30N TO 36N BETWEEN 47W AND 57W WINDS 20 TO 33 

KT. SEAS 8 TO 18 FT. 

.48 HOUR FORECAST EXCEPT AS NOTED IN PART 2 WITH HURRICANE 

GASTON BELOW FROM 30N TO 37N BETWEEN 50W AND 62W WINDS 20 TO 33 

KT. SEAS 11 TO 22 FT. 



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

WATERS FROM 47N TO 64N BETWEEN 40W AND 55W.

.24 HOUR FORECAST DENSE FOG FROM 54N TO 61N BETWEEN 51W AND 56W 

AND FROM 42N TO 50N BETWEEN 42W AND 51W AND FROM 50N TO 54N E OF 

37W. 

.48 HOUR FORECAST CONDITIONS IMPROVING.



.HIGH 35N48W 1024 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 41N42W 1025 MB MOVING E 20 KT. 

.24 HOUR FORECAST HIGH MOVED E OF AREA. 



.24 HOUR FORECAST NEW HIGH 32N41W 1022 MB. 

.48 HOUR FORECAST LITTLE CHANGE.



.FORECASTER HOLLEY. 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 FRI AUG 26.

24 HOUR FORECAST VALID 1800 UTC SAT AUG 27.

48 HOUR FORECAST VALID 1800 UTC SUN AUG 28.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 26.2N 49.7W 997 MB AT 2100 UTC AUG

26 MOVING NW OR 320 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT

GUSTS 65 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 NW AND SE

QUADRANTS...150 NM NE QUADRANT AND 90 NM SW QUADRANT WITH SEAS

TO 25 FT. ELSEWHERE WITHIN 270 NM NW SEMICIRCLE AND 120 NM SE

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF

AREA N OF 20N BETWEEN 43W AND 55W WINDS 20 KT OR LESS. SEAS TO

10 FT IN MIXED SWELL. 

.24 HOUR FORECAST HURRICANE GASTON NEAR 28.6N 53.5W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 60 NM

SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW AND 120 NM

SE SEMICIRCLES WITH SEAS TO 29 FT. ELSEWHERE WITHIN 240 NM NW

AND 180 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 12 FT.

REMAINDER OF AREA N OF 25N BETWEEN 48W AND 59W WINDS 20 KT OR

LESS. SEAS TO 11 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE GASTON NEAR 30.4N 55.8W. MAXIMUM

SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 80 NM

SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW AND 120 NM

SE SEMICIRCLES WITH SEAS TO 33 FT. ELSEWHERE N OF 27N BETWEEN

51W AND 59W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF

AREA N OF 27N BETWEEN 50W AND 62W WINDS 20 KT OR LESS. SEAS TO

11 FT IN MIXED SWELL.

.72 HOUR FORECAST HURRICANE GASTON NEAR 31.5N 56.0W. MAXIMUM

SUSTAINED WINDS 95 KT GUSTS 115 KT.

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

.96 HOUR FORECAST HURRICANE GASTON NEAR 32.5N 53.5W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 34.5N 49.0W. 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.



.SYNOPSIS AND FORECAST.



.ATLC LOW PRES NEAR 23N75W 1009 MB. WITHIN 120 NM NE QUADRANT OF

LOW E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW PRES NEAR 24N78W 1008 MB. WITHIN 150 NM NE

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

.48 HOUR FORECAST LOW PRES NEAR 25N80W 1007 MB. WITHIN 150 NM E

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



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



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

