High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 242210
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 24
24 HOUR FORECAST VALID 1800 UTC AUG 25
48 HOUR FORECAST VALID 1800 UTC AUG 26

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 63N63W 993 MB NEARLY STATIONARY
AND SECOND CENTER 64N62W 997 MB MOVING NW 10 KT. WITHIN 240 NM
NE OF A FRONT FROM FIRST CENTER TO SECOND CENTER TO 55N42W WINDS
30 TO 45 KT. SEAS 10 TO 21 FT. ELSEWHERE WITHIN 360 NM NE AND
1260 NM SE QUADRANTS OF FIRST CENTER WINDS 20 TO 30 KT. SEAS TO
12 FT. .24 HOUR FORECAST LOW DISSIPATED. FROM 62N TO 67N BETWEEN
51W AND 64W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 62N TO 66N
BETWEEN 58W AND 63W AND FROM 51N TO 56N BETWEEN 38W AND 43W.
.24 HOUR FORECAST DENSE FOG FROM 62N TO 67N BETWEEN 58W AND 64W
AND FROM 58N TO 63N BETWEEN 50W AND 55W AND FROM 50N TO 53N
BETWEEN 52W AND 55W.
.48 HOUR FORECAST DENSE FOG FROM 63N TO 67N BETWEEN 56W AND 61W
AND FROM 47N TO 56N BETWEEN 40W AND 52W.

.HIGH 40N69W 1026 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 41N63W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 35N45W 1023 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 36N48W 1023 MB.

.HIGH 63N36W 1018 MB DRIFTING S.
.24 HOUR FORECAST HIGH 61N37W 1015 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 42N50W 1024 MB.
.48 HOUR FORECAST HIGH 41N42W 1025 MB.

.24 HOUR FORECAST HIGH 34N37W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER HOLLEY. 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 1800 UTC WED AUG 24.
24 HOUR FORECAST VALID 1800 UTC THU AUG 25.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GASTON NEAR 17.4N 40.6W 990 MB AT 2100 UTC AUG
24 MOVING NW OR 315 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NW AND SE
QUADRANTS...120 NM NE QUADRANT AND 60 NM SW QUADRANT WITH SEAS
TO 23 FT. ELSEWHERE WITHIN 150 NM N SEMICIRCLE AND 120 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 300 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE WINDS 20 KT
OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GASTON NEAR 21.0N 44.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM E SEMICIRCLE...40 NM SW QUADRANT AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...AND
120 NM ALL OTHER QUADRANTS WITH SEAS TO 29 FT. ELSEWHERE WITHIN
180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 240 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10
FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GASTON NEAR 25.7N 49.2W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM NE QUADRANT AND 180 NM ALL OTHER QUADRANTS WITH SEAS TO
33 FT. ELSEWHERE WITHIN 240 NM NE AND 120 NM SW SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 20N
TO 30N BETWEEN 44W AND 55W WINDS 20 KT OR LESS. SEAS TO 10 FT IN
MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 28.3N 54.6W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 30.1N 57.4W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 31.6N 58.2W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...

.ATLC LOW PRES NEAR 19N65W 1009 MB. FROM 18.5N TO 21.5N BETWEEN
63W AND 65W SE TO S WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
ELSEWHERE WITHIN 270 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA FROM 17.5N TO 18.5N BETWEEN 63W AND
65W S WINDS 20 TO 25 KT. SEAS TO 9 FT. TROPICAL CYCLONE
FORMATION POSSIBLE.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
22N71W 1008 MB. WITHIN 150 NM NE SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE WITHIN 270 NM NE SEMICIRCLE WINDS 20
TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
24N75W 1007 MB. WITHIN 90 NM NE SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 8 TO 12 FT. ELSEWHERE WITHIN 240 NM NE AND 30 NM SW
SEMICIRCLES OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



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