000
FZNT02 KNHC 242209
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC WED AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC WED AUG 24.
24 HOUR FORECAST VALID 1800 UTC THU AUG 25.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GASTON NEAR 17.4N 40.6W 990 MB AT 2100 UTC AUG
24 MOVING NW OR 315 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NW AND SE
QUADRANTS...120 NM NE QUADRANT AND 60 NM SW QUADRANT WITH SEAS
TO 23 FT. ELSEWHERE WITHIN 150 NM N SEMICIRCLE AND 120 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 300 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE WINDS 20 KT
OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 21.0N 44.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM E SEMICIRCLE...40 NM SW QUADRANT AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...AND
120 NM ALL OTHER QUADRANTS WITH SEAS TO 29 FT. ELSEWHERE WITHIN
180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 240 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10
FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GASTON NEAR 25.7N 49.2W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM NE QUADRANT AND 180 NM ALL OTHER QUADRANTS WITH SEAS TO
33 FT. ELSEWHERE WITHIN 240 NM NE AND 120 NM SW SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 20N
TO 30N BETWEEN 44W AND 55W WINDS 20 KT OR LESS. SEAS TO 10 FT IN
MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 28.3N 54.6W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 30.1N 57.4W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 31.6N 58.2W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 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 LOW PRES NEAR 19N65W 1009 MB. FROM 18.5N TO 21.5N BETWEEN
63W AND 65W SE TO S WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
ELSEWHERE WITHIN 270 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA FROM 17.5N TO 18.5N BETWEEN 63W AND
65W S WINDS 20 TO 25 KT. SEAS TO 9 FT. TROPICAL CYCLONE
FORMATION POSSIBLE.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
22N71W 1008 MB. WITHIN 150 NM NE SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 270 NM NE SEMICIRCLE WINDS 20
TO 25 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
24N75W 1007 MB. WITHIN 90 NM NE SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 8 TO 12 FT. ELSEWHERE WITHIN 240 NM NE AND 30 NM SW
SEMICIRCLES OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.