High Seas Forecast
Issued by NWS

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FZNT02 KNHC 260930
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI AUG 26.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 27.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 28.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 23.9N 47.6W 997 MB AT 0900 UTC AUG
26 MOVING NW OR 320 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE...80 NM
SE...30 NM SW AND 100 NM NW QUADRANTS. SEAS 12 FT OR GREATER
WITHIN 150 NM OF CENTER EXCEPT 210 NM NE QUADRANT WITH SEAS TO
26 FT. ELSEWHERE WITHIN 240 NM NE AND 90 NM SW SEMICIRCLES WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 20N TO 28N
BETWEEN 42W AND 52W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 27.0N 52.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE...90 NM SE...50 NM SW AND 110 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 270 NM NE
QUADRANT WITH SEAS TO 30 FT. ELSEWHERE WITHIN 270 NM NE AND 150
NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER
OF AREA OVER FORECAST WATERS N OF 24N BETWEEN 46W AND 56W WINDS
20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 29.2N 55.7W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 90 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER WITH
SEAS TO 35 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA OVER FORECAST WATERS N
OF 26N BETWEEN 49W AND 61W WINDS 20 KT OR LESS. SEAS TO 11 FT IN
MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 30.8N 57.1W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 32.2N 55.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 34.0N 51.5W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 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 21N75W 1009 MB. WITHIN 150 NM NE QUADRANT OF
LOW E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 22N78W 1010 MB. WITHIN 180 NM NE
QUADRANT OF LOW SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 23N81W 1010 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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