High Seas Forecast
Issued by NWS

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703
FZNT02 KNHC 260300
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI AUG 26.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 27.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 28.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 22.8N 46.4W 997 MB AT 0300 UTC AUG
26 MOVING NW OR 320 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 300 NM
NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA FROM 17N TO 27N BETWEEN 41W AND 50W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 26.2N 50.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 180 NM SW
SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE N OF 20N FROM 44W TO
56W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 28.6N 54.9W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12
FT OR GREATER OVER FORECAST WATERS N OF 26N BETWEEN 51W AND 59W
WITH SEAS TO 31 FT. ELSEWHERE OVER FORECAST WATERS N OF 25N
BETWEEN 49W AND 61W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 30.5N 57.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 32.5N 57.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 34.5N 53.0W. 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 21.5N73W 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
25N78W 1007 MB. WITHIN 180 NM NE SEMICIRCLE OF LOW E TO SE 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.



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