

781 

FZNT01 KWBC 212145

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 21 

24 HOUR FORECAST VALID 1800 UTC AUG 22 

48 HOUR FORECAST VALID 1800 UTC AUG 23 



.WARNINGS. 



...GALE WARNING... 

.OVER FORECAST WATERS W OF A LINE FROM 62N61W TO 57N55W AREA OF 

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

.12 HOUR FORECAST INLAND LOW 60N72W 986 MB. FROM 60N TO 63N W OF 

60W AREA OF E TO SE WINDS 25 TO 40 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST LOW W OF AREA NEAR 64N76W 983 MB. FRONT TO 

EXTEND FROM 63N65W TO 56N60W. WITHIN 180 NM NE AND E OF FRONT N 

OF 60N WINDS 25 TO 40 KT. SEAS 11 TO 16 FT. ELSEWHERE W OF A 

LINE FROM 65N55W TO 56N50W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LOW W OF AREA. FRONT TO EXTEND FROM 67N58W TO 

59N57W. BETWEEN THE FRONT AND 49W WINDS 20 TO 30 KT. SEAS TO 12 

FT. 



.SYNOPSIS AND FORECAST. 



.OVER FORECAST WATERS FROM 50N TO 57N E OF 38W AREA OF NW WINDS 

TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST FROM 52N TO 60N E OF 38W N TO NW WINDS 20 TO 

30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST CONDITIONS E OF AREA. 



.LOW 37N70W 1010 MB MOVING NE 10 KT. WITHIN 240 NM E QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH 

INLAND LOW 48N66W DESCRIBED BELOW.



.INLAND LOW 39N77W 1007 MB MOVING NE 30 KT. WINDS LESS THAN 25 

KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST INLAND LOW 48N66W 1004 MB. FRONT TO EXTEND 

FROM LOW TO 44N64W TO 31N70W. WITHIN 240 NM E AND SE OF FRONT N 

OF 36N WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 55N59W 992 MB. FRONT TO EXTEND FROM LOW TO 

50N53W TO 40N55W. OVER FORECAST WATERS FROM 47N TO 59N W OF 48W 

AND WITHIN 240 NM E OF FRONT WINDS 20 TO 30 KT. SEAS TO 10 FT. 



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

WATERS W OF A LINE FROM 66N58W TO 62N61W TO 51N50W.

.12 HOUR FORECAST DENSE FOG W OF A LINE FROM 63N61W TO 49N47W 

AND FROM 42N TO 45N W OF 64W.

.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 63N61W TO 60N53W TO 

49N48W TO 45N49W TO 42N59W AND E OF 66W.

.48 HOUR FORECAST DENSE FOG WITHIN 360 NM W AND SW OF A LINE 

FROM 67N56W TO 60N50W TO 45N43W.



.HIGH 45N45W 1029 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 41N39W 1028 MB. 

.48 HOUR FORECAST HIGH 40N37W 1028 MB. 



.HIGH 57N47W 1020 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH 55N43W 1022 MB. 

.48 HOUR FORECAST HIGH 52N37W 1022 MB.



.48 HOUR FORECAST HIGH 40N75W 1025 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 SUN AUG 21.

24 HOUR FORECAST VALID 1800 UTC MON AUG 22.

48 HOUR FORECAST VALID 1800 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 23.4N 54.9W 1007 MB AT 2100 UTC AUG

21 MOVING WNW OR 290 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 35 KT

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

EXCEPT 40 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S

SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS

TO 15 FT. ELSEWHERE WITHIN 150 NM NE AND 60 NM SE SEMICIRCLES

WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 24.7N 59.5W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 105 NM NE

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

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.3N

63.3W. WITHIN 60 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9

FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 28.4N

66.3W. 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 30.5N

67.0W. 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 LOW PRES NEAR 14N45W 1010 MB. WITHIN 240 NM NE QUADRANT OF

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

.24 HOUR FORECAST LOW PRES NEAR 14N50W 1010 MB. WITHIN 360 NM NE

QUADRANT OF LOW E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW PRES NEAR 14N58W 1010 MB. WITHIN 240 NM NE

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



.CARIBBEAN FROM 11N TO 17N BETWEEN 70W AND 80W NE TO E WINDS 20

TO 30 KT. SEAS 8 TO 10 FT.

.24 HOUR FORECAST FROM 10.5N TO 16N BETWEEN 72W AND 82W NE TO E

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST FROM 10N TO 14N BETWEEN 70W AND 81W NE WINDS

20 TO 25 KT. SEAS 8 TO 10 FT.



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



$$

.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.

