

016 

FZNT01 KWBC 192141

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC FRI AUG 19 2016 



CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



SECURITE 



NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 



SYNOPSIS VALID 1800 UTC AUG 19 

24 HOUR FORECAST VALID 1800 UTC AUG 20 

48 HOUR FORECAST VALID 1800 UTC AUG 21 



.WARNINGS. 



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER NEAR 47N41W 995 MB MOVING NE 20 

KT. FRONT EXTENDS FROM 46N44W TO LOW CENTER TO 45N39W TO 40N43W 

TO 38N46W. WITHIN 120 NM NW AND N OF FRONT W OF 41W AND WITHIN 

150 NM N AND E OF FRONT E OF 41W WINDS 25 TO 40 KT. SEAS 9 TO 14 

FT. ELSEWHERE OVER FORECAST WATERS E OF A LINE FROM 50N46W TO 

45N50W TO 40N47W AND WITHIN 240 NM E OF FRONT S OF 47N WINDS 20 

TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW E OF AREA NEAR 50N31W 995 MB. OVER 

FORECAST WATERS WITHIN 150 NM NW SEMICIRCLE AND 240 NM S 

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

240 NM NW SEMICIRCLE...420 NM SW AND 480 NM S QUADRANTS WINDS 20 

TO 30 KT. SEAS 8 TO 11 FT.

.48 HOUR FORECAST LOW E OF AREA NEAR 56N23W 990 MB. FROM 50N TO 

58N E OF 40W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 47N58W 1008 MB MOVING SE 20 KT. OVER FORECAST WATERS WITHIN 

240 NM N QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.



.LOW 61N40W 1010 MB MOVING S 10 KT. WITHIN 120 NM W AND NW 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. 



.LOW 38N64W 1010 MB MOVING E 20 KT. WITHIN 300 NM S QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.



.48 HOUR FORECAST OVER FORECAST WATERS FROM 58N TO 62N W OF 57W 

AREA OF SE WINDS TO 25 KT. SEAS LESS THAN 8 FT.



.48 HOUR FORECAST W OF A LINE FROM 53N52W TO 47N60W AREA OF S TO 

SW WINDS TO 25 KT. SEAS TO 8 FT.



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

WATERS FROM 44N TO 48N E OF 40W.

.24 HOUR FORECAST CONDITIONS MOVED E OF AREA. 



.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM 

OVER FORECAST WATERS W OF A LINE FROM 52N51W TO 64N61W.



.HIGH 55N58W 1018 MB MOVING SE 20 KT. 

.24 HOUR FORECAST HIGH 49N52W 1021 MB. 

.48 HOUR FORECAST HIGH 45N45W 1027 MB. 



.FORECASTER BANCROFT. 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 19.

24 HOUR FORECAST VALID 1800 UTC SAT AUG 20.

48 HOUR FORECAST VALID 1800 UTC SUN AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 18.1N 44.4W 1007 MB AT 2100 UTC AUG

19 MOVING WNW OR 295 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER

EXCEPT 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N

SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 14 FT.

ELSEWHERE WITHIN 210 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE

WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 19.9N 48.2W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF

TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE

WITHIN 210 NM N SEMICIRCLE AND 900 NM S SEMICIRCLE WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 22.1N 53.1W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER

WITHIN 90 NM N SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN

180 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 30 KT.

SEAS 8 TO 12 FT.

.72 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 24.5N 57.5W.

MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.5N

60.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 28.5N

61.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.



.CARIBBEAN FROM 11N TO 14N BETWEEN 72W AND 78W NE TO E WINDS 20

TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10.5N TO 16N BETWEEN

72W AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E

SWELL.

.12 HOUR FORECAST FROM 11N TO 15N BETWEEN 72W AND 78W NE TO E

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 11N TO 16N

BETWEEN 72W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE

TO E SWELL.

.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 75W AND 81W WINDS 20

KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

.48 HOUR FORECAST FROM 12N TO 14N BETWEEN 71W AND 76W NE TO E

WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 12N TO 15N

BETWEEN 72W AND 79W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO

E SWELL.



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



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

