000
FZNT02 KNHC 252156
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU AUG 25.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 26.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 27.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 21.6N 45.5W 994 MB AT 2100 UTC AUG
25 MOVING NW OR 315 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...70 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 90 NM S SEMICIRCLE...150 NM NE QUADRANT AND
120 NM NW QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN 210 NM
NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 300 NM NE AND 240 NM SW SEMICIRCLES
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 25.5N 49.6W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NE QUADRANT...90 NM SE QUADRANT...40 NM SW
QUADRANT...AND 110 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12
FT OR GREATER WITHIN 240 NM NE SEMICIRCLE AND 120 NM SW
SEMICIRCLE WITH SEAS TO 27 FT. ELSEWHERE N OF 21N FROM 43W TO
55W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 28.1N 54.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 110 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12
FT OR GREATER OVER FORECAST WATERS N OF 26N BETWEEN 50W AND 57W
WITH SEAS TO 31 FT. ELSEWHERE OVER FORECAST WATERS N OF 25N
BETWEEN 48W AND 60W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 30.2N 57.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 31.8N 57.7W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 34.0N 55.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 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.

.ATLC LOW PRES NEAR 21.5N72W 1008 MB. WITHIN 150 NM NE
SEMICIRCLE OF LOW E TO SE WINDS 20 TO 30 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 300 NM NE SEMICIRCLE OF LOW WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
23N76W 1007 MB. WITHIN 180 NM NE SEMICIRCLE OF LOW E TO SE WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
24N78W 1007 MB. WITHIN 180 NM NE SEMICIRCLE OF LOW WINDS 20 TO
30 KT. SEAS 8 TO 11 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.