

057 

FZNT01 KWBC 200934

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC SAT AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 20 

24 HOUR FORECAST VALID 0600 UTC AUG 21 

48 HOUR FORECAST VALID 0600 UTC AUG 22 



.WARNINGS. 



...GALE WARNING... 

.LOW 48N35W 996 MB MOVING NE 20 KT. OVER FORECAST WATERS WITHIN 

480 NM SW AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 

12 FT. 

.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

.48 HOUR FORECAST LOW E OF AREA. FROM 50N TO 62N E OF 40W WINDS 

20 TO 30 KT. SEAS TO 11 FT. 



.SYNOPSIS AND FORECAST. 



.48 HOUR FORECAST INLAND LOW 58N74W 989 MB. OVER FORECAST WATERS 

WITHIN 540 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT.



.48 HOUR FORECAST OVER FORECAST WATERS FROM 48N TO 52N W OF 40W 

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



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

OVER FORECAST WATERS W OF A LINE FROM 63N62W TO 58N57W TO 54N49W 

TO 50N48W.



.HIGH 60N53W 1017 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 57N48W 1018 MB. 

.48 HOUR FORECAST HIGH 59N47W 1021 MB. 



.HIGH 52N55W 1018 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 47N50W 1024 MB. 

.48 HOUR FORECAST HIGH 44N42W 1028 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 0600 UTC SAT AUG 20.

24 HOUR FORECAST VALID 0600 UTC SUN AUG 21.

48 HOUR FORECAST VALID 0600 UTC MON AUG 22.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 19.2N 46.7W 1008 MB AT 0900 UTC AUG

20 MOVING W NW OR 295 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35

KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE...30 NM SE...60

NM SW AND 90 NM NW QUADRANTS WITH SEAS TO 14 FT. ELSEWHERE

WITHIN 150 NM NE AND 120 NM SW SEMICIRCLES OF CENTER WINDS 20 TO

33 KT. SEAS 8 TO 11 FT. REMAINDER WATERS WITHIN 240 NM NE AND

150 NM SW SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS TO 9

FT PRIMARILY IN MIXED SWELL.

.24 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 21.1N 50.8W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER. SEAS 12

FT OR GREATER WITHIN 90 NM NE AND 30 NM SW SEMICIRCLES WITH SEAS

TO 13 FT. ELSEWHERE WITHIN 120 NM NE SEMICIRCLE AND 90 NM SW

SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER WATERS

WITHIN 210 NM NE AND 90 NM SW SEMICIRCLES OF CENTER WINDS 20 KT

OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL.

.48 HOUR FORECAST POST TROPICAL REMNANT LOW FIONA NEAR 23.1N

56.0W. WITHIN 90 NM OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 11

FT. REMAINDER WATERS WITHIN 150 NM N AND 120 NM S SEMICIRCLES OF

CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED

SWELL. 

.72 HOUR FORECAST POST TROPICAL REMNANT LOW FIONA NEAR 25.0N

61.0W. 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 27.0N

63.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 42 HOUR FORECAST LOW PRES NEAR 12N44W 1015 MB. WITHIN 90

NM OF 14N44W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST LOW PRES NEAR 12N46W 1015 MB. WITHIN 90

NM OF 14.5N45W E WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.



.CARIBBEAN FROM 11N TO 14N BETWEEN 73W AND 78W NE TO E WINDS 20

TO 25 KT. SEAS TO 11 FT. ELSEWHERE FROM 10.5N TO 15.5N BETWEEN

74W AND 82W WINDS 20 KT OR LESS. SEAS TO 10 FT IN E SWELL.

.12 HOUR FORECAST WITHIN 120 NM OF 13N78W WINDS 20 KT OR LESS.

SEAS TO 9 FT WITH E SWELL.

.18 HOUR FORECAST FROM 12N TO 14N BETWEEN 69W AND 75W NE TO E

WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 90 NM OF 13N79W

WINDS 20 KT OR LESS. SEAS TO 8 FT WITH E SWELL.

.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 77W NE TO E

WINDS 20 TO 25 KT. SEAS TO 9 FT. WITHIN 60 NM OF 13N79W WINDS 20

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

.36 HOUR FORECAST FROM 11N TO 17N BETWEEN 71W AND 81W E WINDS 20

TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND

76W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25

KT. SEAS TO 9 FT. ELSEWHERE FROM 11N TO 16N BETWEEN 73W AND 80W

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



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



$$

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

