

621 

FZNT01 KWBC 210340

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC SUN AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC AUG 21 

24 HOUR FORECAST VALID 0000 UTC AUG 22 

48 HOUR FORECAST VALID 0000 UTC AUG 23 



.WARNINGS. 



...GALE WARNING... 

.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 63N59W 

TO 57N53W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 

.30 HOUR FORECAST W OF A LINE FROM 63N59W TO 58N55W WINDS 25 TO 

35 KT. SEAS 8 TO 11 FT. 

.48 HOUR FORECAST WITHIN 180 NM SW AND W OF A LINE FROM 66N58W 

TO 62N51W TO 58N50W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.



...GALE WARNING... 

.24 HOUR FORECAST OVER FORECAST WATERS FROM 50N TO 62N E OF 39W 

AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 9 FT.

.30 HOUR FORECAST FROM 54N TO 61N E OF 38W AREA OF N TO NW WINDS 

25 TO 35 KT. SEAS 8 TO 12 FT.  

.48 HOUR FORECAST CONDITIONS E OF AREA.



.SYNOPSIS AND FORECAST. 



.24 HOUR FORECAST LOW 39N68W 1010 MB. FROM 33N TO 39N BETWEEN 

64W AND 67W WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED BELOW 

WITH LOW 49N63W.



.48 HOUR FORECAST NEW LOW 49N63W 1002 MB. OVER FORECAST WATERS 

FROM 37N TO 48N BETWEEN 56W AND 61W WINDS 20 TO 30 KT. SEAS TO 

10 FT.



.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM 

OVER FORECAST WATERS W OF A LINE FROM 62N63W TO 53N50W TO 

51N50W. .48 HOUR FORECAST DENSE FOG FROM 43N TO 63N BETWEEN 48W 

AND 62W.



.HIGH 47N51W 1024 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 45N45W 1029 MB. 

.48 HOUR FORECAST HIGH 42N41W 1030 MB. 



.HIGH 58N50W 1018 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 57N45W 1021 MB. 

.48 HOUR FORECAST HIGH 57N43W 1022 MB. 



.FORECASTER BELL. 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 0000 UTC SUN AUG 21.

24 HOUR FORECAST VALID 0000 UTC MON AUG 22.

48 HOUR FORECAST VALID 0000 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 21.7N 50.1W 1004 MB AT 0300 UTC AUG

21 MOVING NW OR 305 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 45 KT

GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE

QUADRANT...40 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S SEMICIRCLE...90 NM

NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 17 FT.

ELSEWHERE WITHIN 210 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 23.3N 54.6W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS

WITHIN 0 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE SEMICIRCLE WITH

SEAS TO 15 FT. WITHIN 210 NM NE AND 90 NM SW SEMICIRCLES WINDS

20 TO 33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 24.9N 59.5W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS

WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 60 NM NE SEMICIRCLE WITH SEAS TO 14 FT. WITHIN

180 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO

11 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.6N

63.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

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

66.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.120 HOUR FORECAST...DISSIPATED.



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 06 HOUR FORECAST LOW PRES NEAR 12N41W 1009 MB. WITHIN 300

NM N SEMICIRCLE OF LOW NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW PRES NEAR 12N45W 1009 MB. WITHIN 360 NM N

SEMICIRCLE OF LOW NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW PRES NEAR 12N51W 1008 MB. WITHIN 420 NM N

SEMICIRCLE OF LOW E WINDS 20 TO 25 KT. SEAS TO 9 FT.



.CARIBBEAN FROM 11N TO 14N BETWEEN 68W AND 77W NE TO E WINDS 20

TO 25 KT. SEAS TO 8 FT. FROM 11N TO 14N BETWEEN 76W AND 80W

WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

.12 HOUR FORECAST FROM 11N TO 17N BETWEEN 69W AND 81W NE TO E

WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST FROM 11N TO S OF A LINE FROM 12N68W TO 16N73W

TO 16N78W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 11N

TO 16N BETWEEN 78W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT

IN NE TO E SWELL.

.48 HOUR FORECAST FROM 10.5N TO S OF A LINE FROM 13N69W TO

16N79W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. FROM 10.5N TO

16N BETWEEN 79W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

NE TO E SWELL.



.CARIBBEAN S OF 17N AND W OF 86W...INCLUDING THE GULF OF

HONDURAS...NW TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST S OF 18N AND W OF 86W...INCLUDING THE GULF

OF HONDURAS...NW TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST S OF 17N AND W OF 86W...INCLUDING THE GULF

OF HONDURAS...NW TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.



.GULF OF MEXICO 12 HOUR FORECAST S OF 20N W OF 93W SE WINDS 20

TO 25 KT. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST FROM 20N TO 23N BETWEEN 88W AND 94W NE TO E

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

.36 HOUR FORECAST FROM 20N TO 23N BETWEEN 90W AND 94W E TO SE

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

.42 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 MCELROY. NATIONAL HURRICANE CENTER.

