000
FZNT02 KNHC 231548
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC TUE AUG 23 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC TUE AUG 23.
24 HOUR FORECAST VALID 1200 UTC WED AUG 24.
48 HOUR FORECAST VALID 1200 UTC THU AUG 25.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 13.8N 34.6W 1002 MB AT 1500 UTC AUG
23 MOVING WNW OR 285 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 90 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH
SEAS TO 17 FT. 
.24 HOUR FORECAST HURRICANE GASTON NEAR 16.1N 39.9W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
150 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 26 FT.
ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA OVER FORECAST WATERS WITHIN 300 NM OF
CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE GASTON NEAR 19.8N 44.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE WITH SEAS TO 36 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM OF CENTER WINDS 20
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA OVER FORECAST
WATERS WITHIN 360 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10
FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE GASTON NEAR 24.2N 48.9W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 27.7N 52.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 30.7N 53.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...
.ATLC TROPICAL WAVE FROM 12N55W TO 21N57W WITH LOW PRES NEAR
16N56W 1009 MB. WITHIN 180 NM NE QUADRANT E TO SE WINDS 20 TO 25
KT. WITHIN 360 NM NE QUADRANT SEAS TO 9 FT. SCATTERED TSTMS
WITHIN 180 NM OF LOW. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N63W 1008 MB. WITHIN 60 NM NE QUADRANT AND 50 NM SE QUADRANT
OF LOW WINDS 30 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 240 NE
SEMICIRCLE AND 60 NM SW SEMICIRCLE OF LOW WINDS 20 TO 33 KT.
SEAS TO 9 FT IN MIXED SWELL. SCATTERED TSTMS WITHIN 150 NM OF
LOW.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
21N69W 1006 MB. WITHIN 60 NM NE QUADRANT AND 50 NM SE QUADRANT
OF LOW WINDS 30 TO 35 KT. SEAS TO 14 FT. ELSEWHERE WITHIN 270 NE
SEMICIRCLE AND 60 NM SW SEMICIRCLE OF LOW WINDS 20 TO 33 KT.
SEAS TO 10 FT IN MIXED SWELL. 

.SYNOPSIS AND FORECAST.

.POST-TROPICAL CYCLONE FIONA NEAR 26.1N 64.5W 1014 MB AT 1500
UTC AUG 23 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED
WINDS 25 KT GUSTS 35 KT.  WITHIN 90 NM OF CENTER WINDS 20 TO 25
KT. SEAS TO 11 FT. ELSEWHERE WITHIN 120 NM NE SEMICIRCLE AND 90
NM SW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 27.5N
67.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 90 NM
OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 29.0N
69.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 60 NM
OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW FIONA NEAR 29.5N
71.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

.CARIBBEAN FROM 10N TO 14N BETWEEN 74W AND 80W NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 75W
AND 83W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL.
.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 78W NE TO E
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.36 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.