High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 301007
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE AUG 30 2016

CCODE/2:31:04:11:00/AOW+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

PAN PAN

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 0600 UTC AUG 30
24 HOUR FORECAST VALID 0600 UTC AUG 31
48 HOUR FORECAST VALID 0600 UTC SEP 01

.WARNINGS.

.FOR INFORMATION REGARDING TROPICAL DEPRESSION NINE PLEASE SEE
MIAMI SECTION PART II BELOW.

...HURRICANE WARNING...
.HURRICANE GASTON NEAR 32.0N 54.0W 971 MB AT 0900 UTC AUG 30
MOVING NE OR 055 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E
SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN
210 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 35 FT.
ELSEWHERE FROM 31N TO 36N BETWEEN 48W AND 60W WINDS 20 TO 33 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST HURRICANE GASTON NEAR 33.4N 50.6W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM E SEMICIRCLE...80 NM SW QUADRANT AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM E SEMICIRCLE AND
210 NM W SEMICIRCLE WITH SEAS TO 35 FT. ELSEWHERE FROM 31N TO
37N BETWEEN 43W AND 57W WINDS 20 TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST HURRICANE GASTON NEAR 36.8N 43.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...180 NM SE QUADRANT...120 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
300 NM OF CENTER EXCEPT 240 NM NE QUADRANT WITH SEAS TO 35 FT.
ELSEWHERE FROM 31N TO 42N BETWEEN 36W AND 50W WINDS 20 TO 33 KT.
SEAS TO 11 FT.
.72 HOUR FORECAST HURRICANE GASTON NEAR 39.5N 34.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GASTON NEAR 39.5N 28.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM GASTON NEAR 42.5N 23.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHT NEAR 33.9N 75.0W 1010 MB AT 0900 UTC
AUG 30 MOVING NW OR 305 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. SEAS TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM EIGHT NEAR 35.3N 74.6W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM E SEMICIRCLE...0 NM SW QUADRANT AND 20 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER WITH SEAS
TO 12 FT. ELSEWHERE FROM 33N TO 38N BETWEEN 71W AND 76W WINDS 20
TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM EIGHT NEAR 38.4N 69.7W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
60 NM OF CENTER WITH SEAS TO 15 FT. ELSEWHERE FROM 34N TO 39N
BETWEEN 66W AND 73W WINDS 20 TO 33 KT. SEAS TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL EIGHT NEAR 43.0N 58.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EIGHT DISSIPATED.

...STORM WARNING...
.LOW 49N56W 992 MB MOVING NE 20 KT. OVER FORECAST WATERS WITHIN
420 NM OF LOW WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.12 HOUR FORECAST LOW 50N50W 984 MB. WITHIN 180 NM W AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 52N44W 984 MB. WITHIN 480 NM SE AND 360 NM
SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 22 FT. ELSEWHERE FROM
42N TO 55N BETWEEN 35W AND 53W WINDS 20 TO 30 KT. SEAS 8 TO 16
FT.
.48 HOUR FORECAST LOW 56N37W 986 MB. WITHIN 540 NM S AND SW AND
360 NM N AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22
FT...HIGHEST S AND SW QUADRANTS.

.SYNOPSIS AND FORECAST.

.FROM 47N TO 59N BETWEEN 35W AND 38W WINDS 20 TO 30 KT. SEAS 8
TO 16 FT.
.24 HOUR FORECAST CONDITIONS E OF FORECAST AREA.

.LOW 60N41W 990 MB NEARLY STATIONARY. WITHIN 180 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 58N TO 60N BETWEEN 42W
AND 50W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.OVER FORECAST WATERS N OF 59N W OF 52W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 31N TO 34N W OF 73W AREA OF SW WINDS TO
25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW INLAND 48N64W 1007 MB. FROM 43N TO 47N
BETWEEN 50W AND 61W WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
51N51W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 57N BETWEEN 35W AND 46W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 55N38W.

.HIGH 43N37W 1022 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH E OF FORECAST AREA.

.24 HOUR FORECAST HIGH 41N62W 1020 MB.
.48 HOUR FORECAST HIGH 40N54W 1021 MB.

.FORECASTER COLLINS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC TUE AUG 30.
24 HOUR FORECAST VALID 0600 UTC WED AUG 31.
48 HOUR FORECAST VALID 0600 UTC THU SEP 01.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE GASTON N OF AREA NEAR 32.0N 54.0W MOVING NE AT 5 KT.
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM E AND 80 NM W SEMICIRCLES. SEAS 12 FT OR
GREATER WITHIN 210 NM E AND 180 NM W SEMICIRCLES. ELSEWHERE OVER
FORECAST WATERS WITHIN 210 NM S SEMICIRCLE WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA N OF 26N BETWEEN 48W AND 60W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 33.4N 50.6W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. AREA OF TROPICAL STORM FORCE
WINDS N OF 31N. ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 11 TO 18 FT. REMAINDER OF
AREA N OF 28N BETWEEN 45W AND 57W WINDS 20 KT OR LESS. SEAS 8 TO
12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 36.8N 43.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. AREA OF TROPICAL STORM FORCE
WINDS AND 12 FT SEAS N OF 31N. OVER FORECAST WATERS N OF 29N
BETWEEN 38W AND 51W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED SWELL.

...GULF OF MEXICO TROPICAL STORM WARNING...
.TROPICAL DEPRESSION NINE NEAR 23.8N 86.6W 1003 MB AT 0900 UTC
AUG 30 MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 120 NE AND 60 NM SW SEMICIRCLES WINDS 20
TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROPICAL STORM NINE NEAR 24.9N 87.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NE...60 NM SE...0 NM SW AND 30 NM NW QUADRANTS.
ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33 KT. SEAS TO 11
FT. REMAINDER OF AREA WITHIN 210 NM SE QUADRANT S WINDS 20 TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROPICAL STORM NINE NEAR 27.7N 85.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM E SEMICIRCLE...30 NM SW QUADRANT AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE WITH
SEAS TO 14 FT. ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33
KT. SEAS 8 TO 11 FT. REMAINDER OF AREA N OF 23N E OF 86W S TO SE
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.72 HOUR FORECAST TROPICAL STORM NINE NEAR 30.7N 81.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM NINE NEAR 33.2N 74.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM NINE NEAR 35.5N 67.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 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 24 HOUR FORECAST N OF 27N W OF 77W S WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST N OF 28N W OF 74W SW WINDS 20 TO 30 KT. SEAS 8
TO 10 FT.

.ATLC 48 HOUR FORECAST FROM 17N TO 24N E OF 38W NE WINDS 20 TO
25 KT. SEAS 8 TO 9 FT.

.CARIBBEAN FROM 12N TO 15N BETWEEN 67W AND 75W E WINDS 20 TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 68W AND 79W E WINDS 20
TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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