

756 

FZNT01 KWBC 172201

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC WED AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 17 

24 HOUR FORECAST VALID 1800 UTC AUG 18 

48 HOUR FORECAST VALID 1800 UTC AUG 19 



.WARNINGS. 



...GALE WARNING... 

.LOW 45N63W 1004 MB MOVING E 25 KT. WITHIN 180 NM S SEMICIRCLE  

WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE WTIHIN 300 NM S 

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

.24 HOUR FORECAST LOW 46N52W 999 MB. WITHIN 180 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 120 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 11 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 65N52W 1000 MB NEARLY STATIONARY. WITHIN 180 NM W 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 64N52W 1004 MB. WITHIN 180 NM NW QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.LOW 62N37W 997 MB NEARLY STATIONARY. WITHIN 240 NM W AND NW 

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

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.48 HOUR FORECAST LOW 38N63W 1008 MB. WITHIN 240 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 8 FT. 



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

BETWEEN 67W AND 57W. 

.24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 

46N BETWEEN 55W AND 45W. 



.HIGH 32N62W 1025 MB STATIONARY. 

.24 HOUR FORECAST HIGH 32N62W 1022 MB. 

.48 HOUR FORECAST HIGH SOUTH OF AREA. 



.HIGH 42N50W 1021 MB MOVING E 25 KT. 

.24 HOUR FORECAST HIGH 42N38W 1019 MB. 

.48 HOUR FORECAST HIGH E OF THE AREA. 



.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 1800 UTC WED AUG 17.

24 HOUR FORECAST VALID 1800 UTC THU AUG 18.

48 HOUR FORECAST VALID 1800 UTC FRI AUG 19.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM FIONA NEAR 15.1N 37.8W 1006 MB AT 2100 UTC AUG

17 MOVING NW OR 305 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 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 17.0N 40.6W. MAXIMUM

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

WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 20 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 18.7N 43.8W. MAXIMUM

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

WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW

QUADRANT. 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 20.3N 47.4W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT.

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

.96 HOUR FORECAST TROPICAL STORM FIONA NEAR 22.6N 51.3W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT.

.120 HOUR FORECAST TROPICAL STORM FIONA NEAR 24.6N 55.0W.

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...WINDS 20 KT

OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

.12 HOUR FORECAST FROM 11N TO 15N 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...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...WINDS 20

KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

.24 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 10.5N TO 16N

BETWEEN 73W AND 82W...INCLUDING WITHIN 90 NM OF COAST OF

COLOMBIA...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...INCLUDING WITHIN 90 NM OF COAST OF

COLOMBIA...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.

