High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 312131
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 31.
24 HOUR FORECAST VALID 1800 UTC THU SEP 01.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 02.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE GASTON N OF FORECAST AREA NEAR 35.0N 46.9W 969 MB AT
2100 UTC AUG 31. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT.
AREA OF TROPICAL STORM FORCE WINDS N OF 31N. ELSEWHERE OVER
FORECAST WATERS WITHIN 270 NM S SEMICIRCLE WINDS 20 TO 33 KT.
SEAS 10 TO 14 FT. REMAINDER OF AREA N OF 29N BETWEEN 42W AND 54W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 37.7N 39.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. AREA OF TROPICAL STORM FORCE
WINDS AND 12 FT SEAS N OF 31N. OVER FORECAST WATERS N OF 30N
BETWEEN 37W AND 48W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.
.48 HOUR FORECAST TROPICAL STORM GASTON NEAR 39.0N 30.8W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. OVER FORECAST WATERS
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST TROPICAL STORM GASTON NEAR 41.0N 25.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

...GULF OF MEXICO AND ATLC TROPICAL STORM WARNING...
.TROPICAL STORM HERMINE NEAR 25.5N 87.4W 1004 MB AT 2100 UTC AUG
31 MOVING NNE 6 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
RADIUS OF 12 FT SEAS WITHIN 120 NM E SEMICIRCLE WITH SEAS TO 14
FT. ELSEWHERE WITHIN 60 NM OF CENTER EXCEPT 240 NM SE SEMICIRCLE
WINDS 20 TO 33 KT. SEAS TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM HERMINE NEAR 28.1N 86.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...110 NM NE
QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER
FORECAST WATERS WITHIN 150 NM SE SEMICIRCLE WITH SEAS TO 17 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM SE
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM HERMINE INLAND NEAR 32.0N 82.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT AND 140 NM SE QUADRANT. SEAS 12
FT OR GREATER WITHIN 240 NM SE QUADRANT WITH SEAS TO 14
FT.ELSEWHERE OVER FORECAST WATERS WITHIN 300 NM SE QUADRANT
WINDS20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HERMINE NEAR 36.5N
77.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HERMINE NEAR 39.0N
74.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HERMINE NEAR
39.5N 72.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 12 HOUR FORECAST N OF 28N W OF 76W S TO SW WINDS 20 TO 25
KT. SEAS 8 FT.
.24 HOUR FORECAST N OF 30N BETWEEN 72W AND 76W WINDS 20 KT OR
LESS. SEAS 8 FT.
.48 HOUR FORECAST AREA DESCRIBED IN ASSOCIATION WITH
FORECAST T.S. HERMINE.

.ATLC 24 HOUR FORECAST TROPICAL WAVE S OF 20N ALONG 39W. FROM
18N TO 24N E OF 40W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E
SWELL.
.48 HOUR FORECAST TROPICAL WAVE S OF 20N ALONG 48W. FROM 16N TO
21N BETWEEN 44W AND 50W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
FROM 16N TO 22N BETWEEN 40W AND 50W WINDS 20 KT OR LESS. SEAS
8 FT IN E SWELL.

.CARIBBEAN FROM 11N TO 17N BETWEEN 70W AND 78W E WINDS 20 TO 25
KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 12N TO 17N BETWEEN 70W AND 80W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.



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