High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 280335
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 28
24 HOUR FORECAST VALID 0000 UTC AUG 29
48 HOUR FORECAST VALID 0000 UTC AUG 30

.WARNINGS.

...GALE WARNING...
.LOW 52N43W 1003 MB MOVING NE 10 KT. OVER FORECAST WATERS FROM
42N TO 57N E OF 55W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 54N38W 994 MB. WITHIN 540 NM SW AND 360 NM
N AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. ELSEWHERE
WITHIN 840 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW E OF AREA 55N32W 987 MB. WITHIN 480 NM SW
QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. WITHIN 360 NM NW
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

.SYNOPSIS AND FORECAST.

.LOW 31N67W 1014 MB MOVING W 10 KT. OVER FORECAST WATERS WITHIN
180 NM N SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 32N72W 1014 MB. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 33N75W 1014 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.48 HOUR FORECAST LOW INLAND NEAR 49N56W 1003 MB. OVER FORECAST
WATERS WITHIN 360 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 9 FT.

.48 HOUR FORECAST EXCEPT AS NOTED BELOW WITH HURRICANE GASTON
OVER FORECAST WATERS S OF 36N BETWEEN 49W AND 61W WINDS 20 TO 33
KT. SEAS 9 TO 19 FT.

.48 HOUR FORECAST OVER FORECAST WATERS N OF 62N BETWEEN 52W AND
60W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 55N E
OF 50W.
.24 HOUR FORECAST DENSE FOG FROM 53N TO 57N E OF 41W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 65N
BETWEEN 52W AND 60W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.24 HOUR FORECAST HIGH 44N60W 1025 MB.
.48 HOUR FORECAST HIGH 42N43W 1022 MB.

.FORECASTER SCOVIL. 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 0000 UTC SUN AUG 28.
24 HOUR FORECAST VALID 0000 UTC MON AUG 29.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 30.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GASTON NEAR 29.5N 54.2W 980 MB AT 0300 UTC AUG 28
MOVING NW OR 320 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...100 NM SE QUADRANT...60 NM SW QUADRANT...AND 110 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW AND 120 NM
SE SEMICIRCLES WITH SEAS TO 28 FT. ELSEWHERE N OF 27N BETWEEN
50W AND 57W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA OVER FORECAST WATERS N OF 25N BETWEEN 50W AND 60W WINDS 20
KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 30.7N 55.1W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM NW AND 150 NM SE SEMICIRCLES WITH SEAS TO 32 FT.
ELSEWHERE N OF 28N BETWEEN 52W AND 59W WINDS 20 TO 33 KT. SEAS 8
TO 12 FT. REMAINDER OF AREA OVER FORECAST WATERS N OF 27N
BETWEEN 51W AND 63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 31.4N 54.8W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...130 NM SE QUADRANT...100 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
270 NM NE QUADRANT...210 NM NW QUADRANT...AND 150 NM S
SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 180 NM NW AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT. REMAINDER OF AREA OVER FORECAST WATERS N OF 27N
BETWEEN 50W AND 61W WINDS 20 KT OR LESS. SEAS TO 12 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 32.6N 52.2W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 34.6N 48.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 37.5N 42.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 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 23.5N79W 1007 MB. WITHIN 180 NM NE QUADRANT
OF LOW E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST LOW PRES NEAR 24N80W 1008 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 MCELROY. NATIONAL HURRICANE CENTER.



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