

171 

FZNT01 KWBC 211545

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 21 

24 HOUR FORECAST VALID 1200 UTC AUG 22 

48 HOUR FORECAST VALID 1200 UTC AUG 23 



.WARNINGS. 



...GALE WARNING...

.OVER FORECAST WATERS W OF A LINE FROM 62N61W TO 58N57W AREA OF 

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

.12 HOUR FORECAST INLAND LOW 58N73W 986 MB. FROM 59N TO 62N W OF 

60W AREA OF E TO SE WINDS 25 TO 35 KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW 62N72W 983 MB. FROM 59N TO 63N W OF 59W 

AREA OF E TO SE WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE W 

OF A LINE FROM 65N59W TO 56N51W WINDS 20 TO 30 KT. SEAS TO 10 FT.

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

67N61W TO 58N56W. WITHIN 180 NM E OF FRONT N OF 63N WINDS 25 TO 

35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 240 NM E OF FRONT WINDS 

20 TO 30 KT. SEAS TO 10 FT.



.SYNOPSIS AND FORECAST. 



.OVER FORECAST WATERS FROM 48N TO 56N E OF 40W AREA OF NW WINDS 

TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST E OF A LINE FROM 60N39W TO 54N40W TO 50N35W 

AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST CONDITIONS E OF AREA. 



.24 HOUR FORECAST LOW 44N69W 1006 MB. FROM 35N TO 44N BETWEEN 

58W AND 66W AND W OF A FRONT TO EXTEND FROM 41N70W TO 37N71W 

WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST INLAND LOW 52N60W 996 MB. FRONT TO EXTEND FROM 

LOW TO 46N53W TO 38N60W. OVER FORECAST WATERS WITHIN 360 NM SE 

SEMICIRCLE AND WITHIN 180 NM E OF FRONT N OF 42N WINDS 20 TO 30 

KT. SEAS TO 10 FT



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

WATERS N OF 59N W OF 59W.

.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 63N61W TO 49N49W 

AND FROM 41N TO 44N W OF 63W.

.48 HOUR FORECAST DENSE FOG FROM 43N TO 60N BETWEEN 44W AND 57W 

AND WITHIN 240 NM W OF A LINE FROM 60N50W TO 67N55W.



.HIGH 45N47W 1027 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 42N40W 1029 MB. 

.48 HOUR FORECAST HIGH 40N38W 1030 MB. 



.HIGH 57N46W 1019 MB MOVING E 05 KT. 

.24 HOUR FORECAST HIGH 57N43W 1021 MB. 

.48 HOUR FORECAST HIGH 57N41W 1021 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 1200 UTC SUN AUG 21.

24 HOUR FORECAST VALID 1200 UTC MON AUG 22.

48 HOUR FORECAST VALID 1200 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 22.9N 53.3W 1007 MB AT 1500 UTC AUG

21 MOVING WNW OR 295 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW AND SE

QUADRANTS...40 NM NE QUADRANT AND 0 NM SW QUADRANT.  SEAS 12 FT

OR GREATER WITHIN 0 NM S SEMICIRCLE...90 NM NE QUADRANT AND 45

NM NW QUADRANT WITH SEAS TO 14 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 24.3N 58.1W.

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 25.8N

62.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM

NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 27.7N

65.5W. 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 13N43W 1010 MB. WITHIN 180 NM N QUADRANT OF

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

.24 HOUR FORECAST LOW PRES NEAR 14N48W 1010 MB. WITHIN 180 NM TO

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

.48 HOUR FORECAST LOW PRES NEAR 15N55W 1010 MB. WITHIN 120 NM TO

420 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 81W NE TO E

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

.48 HOUR FORECAST FROM 10N TO 14N BETWEEN 74W AND 79W 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 MUNDELL. NATIONAL HURRICANE CENTER.

