High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 271605
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 27
24 HOUR FORECAST VALID 1200 UTC AUG 28
48 HOUR FORECAST VALID 1200 UTC AUG 29

.WARNINGS.

 ...GALE WARNING...
 .LOW 48N52W 1005 MB MOVING NE 25 KT. WITHIN 300 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 53N36W 999 MB. FRONT FROM LOW TO 50N38W TO
46N40W TO 40N49W. WITHIN 180 NM E OF FRONT FROM 50N TO 43N WINDS
25 TO 35 KT. SEAS TO 12 FT. ALSO WITHIN 240 NM SE QUADRANT...AND
300 NM SE OF FRONT WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 57N35W 991 MB. WITHIN 240 NM NW AND
W...AND 480 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
ALSO FROM 46N TO 60N E OF 44W WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.


 ...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 54N46W 1005 MB DRIFTING E. FROM 53N
TO 60N BETWEEN 40W AND 52W AND FROM 53N TO 57N BETWEEN 35W AND
40W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 54N43W 1003 MB. WITHIN 300 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT. ALSO FROM 55N TO 58N
BETWEEN 35W AND 43W...AND 540 NM SW AND 360 NM NW QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED INTO LOW 57N35W
ABOVE.

.SYNOPSIS AND FORECAST.

.LOW 31N66W 1010 MB MOVING W 10 KT. OVER FORECAST WATERS WITHIN
120 NM N SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 32N69W 1012 MB. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 33N74W 1014 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.48 HOUR FORECAST EXCEPT AS NOTED BELOW WITH HURRICANE GASTON
OVER FORECAST WATERS S OF 36N BETWEEN 50W AND 60W WINDS 20 TO 33
KT. SEAS 9 TO 18 FT.

.48 HOUR FORECAST OVER FORECAST WATERS N OF 63N BETWEEN 53W AND
60W AREA OF N TO NW WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 49N
BETWEEN 44W AND 53W...AND 240 NM NE OF A LINE FROM 50N35W TO
56N54W TO 60N60W TO 61N65W...EXCEPT WITHIN 360 NM NE OF LINE W
OF 55W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 55N E OF 41W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 40N36W 1026 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH E OF THE AREA.

.24 HOUR FORECAST HIGH INLAND 45N66W 1027 MB.
.48 HOUR FORECAST HIGH 43N51W 1023 MB.

.FORECASTER ROWLAND. 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 1200 UTC SAT AUG 27.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 28.
48 HOUR FORECAST VALID 1200 UTC MON AUG 29.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 28.4N 53.2W 995 MB AT 1500 UTC AUG
27 MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 120 NM S
SEMICIRCLE...240 NM NE QUADRANT AND 180 NM NW QUADRANT WITH SEAS
TO 27 FT. ELSEWHERE WITHIN 210 NM N SEMICIRCLE AND 120 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 14 FT. REMAINDER OF
AREA OVER FORECAST WATERS N OF 24N BETWEEN 45W AND 58W WINDS 20
KT OR LESS. SEAS TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 30.1N 55.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM NE QUADRANT...210 NM NW QUADRANT...AND 120 NM S
SEMICIRCLE WITH SEAS TO 30 FT. ELSEWHERE WITHIN 210 NM N
SEMICIRCLE AND 120 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 12 TO
15 FT. REMAINDER OF AREA OVER FORECAST WATERS N OF 26N BETWEEN
50W AND 63W WINDS 20 KT OR LESS. SEAS TO 13 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 31.3N 56.3W. 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 32 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 180 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 11 TO 15 FT.
REMAINDER OF AREA OVER FORECAST WATERS N OF 27N BETWEEN 50W AND
64W WINDS 20 KT OR LESS. SEAS TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON NEAR 32.6N 54.4W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 34.2N 49.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 36.9N 43.7W. 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 31N66W 1010 MB. WITHIN 75 NM E SEMICIRCLE OF
LOW SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES N OF AREA. OVER FORECAST WATERS WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 24N78W 1009 MB. WITHIN 120 NM NE QUADRANT OF
LOW SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 24N81W 1009 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 LATTO. NATIONAL HURRICANE CENTER.



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