

841 

FZNT01 KWBC 201613

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 20 

24 HOUR FORECAST VALID 1200 UTC AUG 21 

48 HOUR FORECAST VALID 1200 UTC AUG 22 



.WARNINGS. 



...GALE WARNING... 

.LOW 49N34W 995 MB JUST E OF AREA MOVING NE 20 KT. OVER FORECAST 

WATERS WITHIN 180 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 

12 FT. ELSEWHERE FROM 40N TO 53N E OF 45W WINDS 20 TO 30 KT. 

SEAS 8 TO 13 FT...HIGHEST NEAR 43N41W.

.24 HOUR FORECAST LOW E OF AREA NEAR 54N25W 990 MB. FROM 49N TO 

55N E OF 41W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW E OF AREA NEAR 56N24W 984 MB. FROM 53N TO 

60N E OF 37W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. 

ELSEWHERE E OF A LINE FROM 63N35W TO 57N41W TO 50N35W WINDS TO 

25 KT. SEAS TO 9 FT.



...GALE WARNING...

.36 HOUR FORECAST INLAND LOW 56N72W 991 MB. OVER FORECAST WATERS 

FROM 58N TO 63N W OF 57W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 

8 FT.

.48 HOUR FORECAST INLAND LOW 61N71W 987 MB. FROM 59N TO 63N W OF 

59W AREA OF E TO SE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 

ELSEWHERE W OF A LINE FROM 64N60W TO 56N52W WINDS 20 TO 30 KT. 

SEAS TO 9 FT.



.SYNOPSIS AND FORECAST.



.24 HOUR FORECAST LOW 36N70W 1010 MB. WITHIN  180 NM SE QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST LOW 42N64W 1009 MB. WITHIN 300 NM E AND SE 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.



.48 HOUR FORECAST NEW LOW 43N69W 1008 MB. COLD FRONT TO EXTEND 

FROM LOW 38N71W TO 31N77W. FROM 35N TO 41N W OF FRONT WINDS TO 

25 KT. SEAS LESS THAN 8 FT.



.48 HOUR FORECAST FROM 47N TO 51N BETWEEN 39W AND 47W AREA OF W 

WINDS TO 25 KT. SEAS TO 8 FT.



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

OVER FORECAST WATERS W OF A LINE FROM 67N58W TO 62N60W TO 52N51W.

.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 63N61W TO 50N47W 

AND FROM 42N TO 45N W OF 63W.



.HIGH 49N56W 1021 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 45N48W 1027 MB. 

.48 HOUR FORECAST HIGH 42N41W 1029 MB.



.24 HOUR FORECAST NEW HIGH 56N46W 1018 MB. 

.48 HOUR FORECAST HIGH 59N46W 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 SAT AUG 20.

24 HOUR FORECAST VALID 1200 UTC SUN AUG 21.

48 HOUR FORECAST VALID 1200 UTC MON AUG 22.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 20.3N 47.8W 1008 MB AT 1500 UTC AUG

20 MOVING WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT

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

QUADRANT. SEAS 12 FT OR GREATER 90 NM NE QUADRANT WITH SEAS TO

13 FT. ELSEWHERE WITHIN 150 NM N AND 60 NM S SEMICIRCLES WINDS

20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA WITHIN 240 NM NE

AND 90 NM SW SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN

MIXED SWELL.

.24 HOUR FORECAST TROPICAL DEPRESSION FIONA NEAR 22.3N 52.1W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM N AND

45 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

ELSEWHERE WITHIN 180 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 KT

OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 24.2N

57.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM

NE AND 30 NM SW SEMICIRCLES. WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 26.2N

61.3W. 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 28.2N

63.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 11N35W 1009 MB. WITHIN 120 NM N SEMICIRCLE

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

.24 HOUR FORECAST LOW PRES NEAR 12N42W 1009 MB. WITHIN 240 NM N

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

.48 HOUR FORECAST LOW PRES NEAR 13N48W 1008 MB. WITHIN 300 NM N

SEMICIRCLE OF LOW E WINDS 20 TO 25 KT. SEAS TO 10 FT.



.CARIBBEAN FROM 11N TO 14.5N BETWEEN 73W AND 78W NE TO E WINDS

20 TO 25 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST FROM 10.5N TO 17N BETWEEN 70W AND 81W NE TO E

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

.48 HOUR FORECAST LITTLE CHANGE.



.GULF OF MEXICO 36 HOUR FORECAST FROM 20N TO 23N BETWEEN 90W AND

93W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.48 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 MUNDELL. NATIONAL HURRICANE CENTER.

