

547 

FZNT01 KWBC 261606

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 26 

24 HOUR FORECAST VALID 1200 UTC AUG 27 

48 HOUR FORECAST VALID 1200 UTC AUG 28 



.WARNINGS. 



...GALE WARNING...

.LOW 54N51W 1003 MB MOVING E 10 KT. WITHIN 540 NM SE AND 720 NM 

SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 54N43W 1004 MB. BETWEEN 57N AND 60N 

BETWEEN 41W AND 49W WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE 

WITHIN 600 NM OF LOW CENTER EXCEPT 960 NM SW QUADRANT WINDS TO 

25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW 53N38W 998 MB. WITHIN 360 NM NW 

QUADRANT...AND WITHIN 240 NM S OF A LINE FROM 47N35W TO 42N43W 

WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 38N TO 60N E 

OF 55W WINDS TO 25 KT. SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



.24 HOUR FORECAST EXCEPT AS NOTED IN PART 2 WITH TROPICAL STORM 

GASTON BELOW FROM 30N TO 35N BETWEEN 45W AND 56W WINDS 20 TO 33 

KT. SEAS 8 TO 17 FT.

.48 HOUR FORECAST EXCEPT AS NOTED IN PART 2 WITH TROPICAL STORM 

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

KT. SEAS 10 TO 20 FT. 



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

WATERS FROM 62N TO 67N BETWEEN 59W AND 66W AND FROM 47N TO 59N 

BETWEEN 41W AND 54W AND FROM 59N TO 64N BETWEEN 49W AND 54W.

.24 HOUR FORECAST DENSE FOG FROM 42N TO 49N BETWEEN 44W AND 52W 

AND FROM 55N TO 65N BETWEEN 49W AND 56W AND FROM 50N TO 54N E OF 

39W.

.48 HOUR FORECAST DENSE FOG FROM 46N TO 55N E OF 37W.



.HIGH 36N72W 1020 MB MOVING NE 15 KT.

.24 HOUR FORECAST HIGH DISSIPATED.



.HIGH 61N58W 1012 MB MOVING NW 10 KT.

.24 HOUR FORECAST HIGH 64N61W 1018 MB.

.48 HOUR FORECAST HIGH MOVED N OF AREA.



.HIGH 35N47W 1021 MB NEARLY STATIONARY.

.24 HOUR FORECAST HIGH DISSIPATED.



.HIGH 41N44W 1026 MB MOVING SE 10 KT.

.24 HOUR FORECAST HIGH 41N37W 1026 MB.

.48 HOUR FORECAST HIGH MOVED E OF AREA.



.HIGH 33N39W 1023 MB NEARLY STATIONARY.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST HIGH DISSIPATED.



.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 1200 UTC FRI AUG 26.

24 HOUR FORECAST VALID 1200 UTC SAT AUG 27.

48 HOUR FORECAST VALID 1200 UTC SUN AUG 28.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM GASTON NEAR 25.2N 48.3W 997 MB AT 1500 UTC AUG

26 MOVING NNW OR 330 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT

GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NW AND SE

QUADRANTS...130 NM NE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12

FT OR GREATER WITHIN 120 NM OF CENTER EXCEPT 180 NM NE QUADRANT

WITH SEAS TO 21 FT. ELSEWHERE WITHIN 180 NM NE SEMICIRCLE AND 90

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

OF AREA FROM 19N TO 31N BETWEEN 42W AND 55W WINDS 20 KT OR LESS.

SEAS TO 10 FT IN MIXED SWELL. 

.24 HOUR FORECAST HURRICANE GASTON NEAR 27.9N 52.5W. 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 150 NM OF CENTER

EXCEPT 210 NM NE QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN

200 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WINDS 20 TO 33 KT.

SEAS 10 TO 12 FT. REMAINDER OF AREA N OF 24N BETWEEN 46W AND 58W

WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. 

.48 HOUR FORECAST HURRICANE GASTON NEAR 29.9N 55.5W. MAXIMUM

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

WITHIN 100 NM OF CENTER EXCEPT 120 NM NE QUADRANT. SEAS 12 FT OR

GREATER WITHIN 150 NM OF CENTER EXCEPT 210 NM NE QUADRANT WITH

SEAS TO 30 FT. ELSEWHERE N OF 27N BETWEEN 52W AND 58W WINDS 20

TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA N OF 26N BETWEEN

50W AND 63W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. 

.72 HOUR FORECAST HURRICANE GASTON NEAR 31.2N 56.1W. 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 54.0W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT.

.120 HOUR FORECAST HURRICANE GASTON NEAR 34.5N 50.0W. 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 22N74W 1010 MB. WITHIN 150 NM NE QUADRANT OF

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

.24 HOUR FORECAST LOW PRES NEAR 24N77W 1009 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 1008 MB. WITHIN 150 NM NE

QUADRANT OF LOW 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 LATTO. NATIONAL HURRICANE CENTER.

