000
FZNT02 KNHC 250933
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC THU AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 25.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 26.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GASTON NEAR 19.5N 43.3W 988 MB AT 0900 UTC AUG 25
MOVING NW OR 310 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E
SEMICIRCLE...40 NM SW QUADRANT AND 50 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 150 NM NE...90 NM SE...60 NM SW AND 120 NM
NW QUADRANTS WITH SEAS TO 28 FT. ELSEWHERE WITHIN 180 NM NE AND
120 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 300 NM N AND 180 NM S SEMICIRCLES WINDS
20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 23.4N 46.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE...90 NM SE...40 NM SW AND 70 NM NW
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 180 NM NE...120 NM SE...
90 NM SW AND 120 NM NW QUADRANTS WITH SEAS TO 30 FT. ELSEWHERE
WITHIN 240 NM N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA WITHIN 300 NM OF CENTER WINDS 20
KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GASTON NEAR 26.7N 52.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE...90 NM SE...70 NM SW AND 100 NM NW
QUADRANTS. LITTLE CHANGE IN AREA OF SEAS 12 FT OR GREATER.
ELSEWHERE WITHIN 270 NM N AND 150 NM S SEMICIRCLES WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 300 NM OF
CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 29.1N 56.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 31.0N 58.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE GASTON N OF AREA NEAR 32.5N 57.5W.
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 21N69W 1009 MB. WITHIN 90 NM NE QUADRANT OF
LOW SE WINDS 25 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 210
NM NE SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
22N75W 1008 MB. WITHIN 150 NM NE SEMICIRCLE OF LOW E TO SE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
24N77W 1007 MB. WITHIN 120 NM NE SEMICIRCLE 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 MUNDELL. NATIONAL HURRICANE CENTER.