

242 

FZNT01 KWBC 180414

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC THU AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 18 

24 HOUR FORECAST VALID 0000 UTC AUG 19 

48 HOUR FORECAST VALID 0000 UTC AUG 20 



.WARNINGS. 



...GALE WARNING... 

.LOW 45N61W 1003 MB MOVING NE 25 KT. WITHIN 240 NM S SEMICIRCLE 

WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE WITHIN 300 NM S 

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

.24 HOUR FORECAST LOW 46N50W 999 MB. WITHIN 240 NM N AND 360 NM 

S SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 

.48 HOUR FORECAST LOW 47N41W 997 MB. WITHIN 180 NM N SEMICIRCLE 

WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 240 NM N 

AND 420 NM S SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.



.SYNOPSIS AND FORECAST. 



.LOW 65N52W 1002 MB NEARLY STATIONARY. WITHIN 180 NM W 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.LOW 62N36W 998 MB NEARLY STATIONARY. WITHIN 240 NM W AND NW 

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

.24 HOUR FORECAST LOW 63N36W 1006 MB. WITHIN 180 NM W SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.48 HOUR FORECAST LOW 38N62W 1011 MB. WITHIN 240 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 8 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 48N 

BETWEEN 67W AND 57W. 

.24 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 55W AND 45W.

.48 HOUR FORECAST DENSE FOG FROM 44N TO 49N E OF 39W.



.HIGH 32N66W 1023 MB MOVING SE 15 KT.

.24 HOUR FORECAST HIGH S OF AREA. 



.HIGH 44N48W 1020 MB MOVING SE 30 KT. 

.24 HOUR FORECAST HIGH E OF AREA.



.FORECASTER NOLT. 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 THU AUG 18.

24 HOUR FORECAST VALID 0000 UTC FRI AUG 19.

48 HOUR FORECAST VALID 0000 UTC SAT AUG 20.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 15.5N 39.0W 1006 MB AT 0300 UTC AUG

18 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N

SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN

60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 12 FT.

ELSEWHERE WITHIN 240 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.1N 41.9W. MAXIMUM

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

WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE AND 60 NM SW

SEMICIRCLES WITH SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM NE AND

120 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN

MIXED SWELL.

.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 18.6N 45.2W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS

WITHIN 60 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 120 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO

22 FT. ELSEWHERE WITHIN 240 NM NE AND 150 NM SW SEMICIRCLES

WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.

.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 20.6N 49.1W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT.

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

.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 22.5N 53.0W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT.

.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 24.5N 57.0W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.



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.



.CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 78W...INCLUDING WITHIN

90 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS 8

TO 11 FT. ELSEWHERE FROM 10.5N TO 16N BETWEEN 72W AND

82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

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

79W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 11N TO 15N

BETWEEN 79W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO

E SWELL.

.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 69W AND

78W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E

WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10.5N TO 16N

BETWEEN 73W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE

TO E SWELL.

.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 71W AND

78W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E

WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 11N TO 15N

BETWEEN 72W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE

TO E SWELL.



.CARIBBEAN 06 HOUR FORECAST S OF 17N W OF 86W...INCLUDING THE

GULF OF HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8

FT.

.12 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.

