

299 

FZNT01 KWBC 180945

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 18 

24 HOUR FORECAST VALID 0600 UTC AUG 19 

48 HOUR FORECAST VALID 0600 UTC AUG 20 



.WARNINGS. 



...GALE WARNING... 

.LOW 45N57W 1001 MB MOVING NE 20 KT. WITHIN 180 NM N AND 360 NM 

S SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 11 FT.

.24 HOUR FORECAST LOW 46N47W 997 MB. WITHIN 240 NM N AND 360 NM 

S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. 

.48 HOUR FORECAST LOW 48N36W 994 MB. WITHIN 240 NM N AND 360 NM 

S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.



.SYNOPSIS AND FORECAST. 



.LOW 66N53W 1003 MB NEARLY STATIONARY. WITHIN 180 NM W 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.LOW 63N36W 999 MB NEARLY STATIONARY. WITHIN 180 NM OF LOW 

CENTER WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 63N37W 1008 MB. WITHIN 180 NM W AND NW 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.24 HOUR FORECAST LOW 39N70W 1012 MB. WITHIN 300 NM S QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 37N62W 1011 MB. WITHIN 180 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 8 FT.



.24 HOUR FORECAST LOW 49N62W 1004 MB. WITHIN 240 NM S QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 42N54W 1010 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 47N 

BETWEEN 59W AND 52W. 

.24 HOUR FORECAST DENSE FOG FROM 43N TO 48N BETWEEN 50W AND 43W.

.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N E OF 38W.



.HIGH 32N63W 1022 MB NEARLY STATIONARY.

.24 HOUR FORECAST HIGH 31N63W 1019 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 44N44W 1019 MB MOVING SE 20 KT. 

.24 HOUR FORECAST HIGH E OF AREA. 



.HIGH 56N57W 1013 MB NEARLY STATIONARY.

.24 HOUR FORECAST HIGH DISSIPATED.



.48 HOUR FORECAST HIGH 51N56W 1018 MB.



.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 0600 UTC THU AUG 18.

24 HOUR FORECAST VALID 0600 UTC FRI AUG 19.

48 HOUR FORECAST VALID 0600 UTC SAT AUG 20.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 16.2N 40.3W 1005 MB AT 0900 UTC AUG

18 MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N

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

NM S SEMICIRCLE...60 NM NE QUADRANT AND 30 NM NW QUADRANT WITH

SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE AND 60 NM S

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA

WITHIN 150 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT IN

MIXED SWELL. 

.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 17.9N 43.0W. MAXIMUM

SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS

WITHIN 50 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 30

NM S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 150 NM N

SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO

12 FT. 

.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 19.8N 46.6W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. SEAS 12 FT OR GREATER WITHIN

60 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 16 FT.

ELSEWHERE WITHIN 150 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE

WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 

.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 22.1N 50.1W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

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

.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 23.8N 53.5W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 25.6N 56.1W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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 10.5N TO 13N BETWEEN 72W AND 76W...INCLUDING

WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 25 TO 30 KT.

SEAS 8 TO 12 FT. ELSEWHERE FROM 11N TO 16N BETWEEN 69W AND 81W

E TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

80W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E

WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10N TO 16N

BETWEEN 75W AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO

E SWELL.

.24 HOUR FORECAST FROM 11N TO 16.5N BETWEEN 69W AND

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

WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND

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

WINDS 20 TO 25 KT. SEAS TO 9 FT. 



.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.

.06 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 LATTO. NATIONAL HURRICANE CENTER.

