

614 

FZNT01 KWBC 181615

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 18 

24 HOUR FORECAST VALID 1200 UTC AUG 19 

48 HOUR FORECAST VALID 1200 UTC AUG 20 



.WARNINGS. 



...GALE WARNING... 

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

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

.24 HOUR FORECAST LOW 46N45W 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 48N34W 996 MB. OVER FORECAST WATERS WITHIN 

240 NM NW AND 360 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 

15 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 63N37W 1001 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 NEW LOW 38N68W 1015 MB. WITHIN 180 NM S 

QUADRANT WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 37N54W 1011 MB. WITHIN 180 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 8 FT. 



.24 HOUR FORECAST LOW 48N60W 1006 MB. WITHIN 300 NM S QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 42N54W 1012 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT. 



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

BETWEEN 57W AND 49W. 

.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 48W AND 40W. 

.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N E OF 37W. 



.HIGH 32N68W 1022 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH 31N66W 1019 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 43N40W 1020 MB MOVING SE 20 KT. 

.24 HOUR FORECAST HIGH E OF AREA. 



.HIGH 56N55W 1013 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.48 HOUR FORECAST HIGH 51N54W 1020 MB. 



.FORECASTER SIENKIEWICZ. 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 THU AUG 18.

24 HOUR FORECAST VALID 1200 UTC FRI AUG 19.

48 HOUR FORECAST VALID 1200 UTC SAT AUG 20.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 16.4N 40.5W 1006 MB AT 1500 UTC AUG

18 MOVING WNW OR 300 DEG AT 7 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 15 FT. ELSEWHERE WITHIN 120 NM N AND 90 NM S SEMICIRCLES

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

.24 HOUR FORECAST TROPICAL STORM FIONA NEAR 18.1N 43.3W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 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 45 NM OF CENTER WITH SEAS

TO 19 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT.

SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL STORM FIONA NEAR 20.3N 47.0W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF

TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE

WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST TROPICAL STORM FIONA NEAR 22.6N 50.6W. 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 24.4N 53.7W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. 

.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 26.4N 56.0W. 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 WITHIN AREA BOUNDED BY 15N72W TO 16N74W TO 14N79W TO

11N77W TO 12N71W TO 15N72W...INCLUDING WITHIN 90 NM OF COAST OF

COLOMBIA... E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN AREA

BOUNDED BY 15N76W TO 15N79W TO 12N82W TO 10N81W TO 10N76W TO

15N76W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL. 

.24 HOUR FORECAST WITHIN AREA BOUNDED BY 14N70W TO 16N72W TO

15N76W TO 13N78W TO 11N76W TO 13N70W TO 14N70W...INCLUDING WITHIN

90 NM OF COAST OF COLOMBIA... E WINDS 20 TO 30 KT. SEAS 9 TO 11

FT. WITHIN AREA BOUNDED BY 14N77W TO 14N79W TO 10N78W TO 11N76W 

TO

14N77W WINDS 20 KT OR LESS. SEAS 9 TO 12 FT IN E SWELL. 

.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N73W TO 14N73W TO

14N76W TO 13N79W TO 11N77W TO 13N73W...INCLUDING WITHIN 90 NM OF

COAST OF COLOMBIA... E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.



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



$$

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

