High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 012159
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT OCT 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 01
24 HOUR FORECAST VALID 1800 UTC OCT 02
48 HOUR FORECAST VALID 1800 UTC OCT 03

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW JUST E OF FORECAST AREA 51N33W 972 MB MOVING N 15 KT. OVER
FORECAST WATERS WITHIN 180 NM W SEMICIRCLE WINDS 50 TO 65 KT.
SEAS 20 TO 30 FT. ALSO WITHIN 300 NM W SEMICIRCLE WINDS 35 TO 50
KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 780 NM SW AND 420 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...HIGHEST SW
QUADRANT.
.24 HOUR FORECAST LOW E OF FORECAST AREA 56N30W 956 MB. FROM 53N
TO 58N BETWEEN 35W AND 40W...AND N OF 64N BETWEEN 35W AND THE E
COAST OF GREENLAND WINDS 40 TO 55 KT. SEAS 14 TO 26 FT.
ELSEWHERE N OF 50N BETWEEN 35W AND 55W WINDS 25 TO 40 KT. SEAS
10 TO 20 FT.
.48 HOUR FORECAST LOW 61N37W 962 MB. WITHIN 300 NM N AND 180 NM
W QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO 30 FT. ELSEWHERE N OF
53N W OF 35W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...STORM WARNING...
.LOW 61N37W 990 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 240 NM W SEMICIRCLE AND 360 NM N QUADRANT WINDS 25 TO 40
KT. SEAS 9 TO 18 FT.
.12 HOUR FORECAST LOW 61N37W 988 MB. BETWEEN THE COAST OF
GREENLAND AND A LINE FROM 61N39W TO 64N38W TO 65N35W WINDS 35 TO
50 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED INTO LOW 56N30W
DESCRIBED ABOVE.

...GALE WARNING...
.LOW 56N48W 998 MB MOVING SE 30 KT. OVER FORECAST WATERS WITHIN
480 NM SW AND 660 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO
14 FT.
.24 HOUR FORECAST LOW E OF FORECAST AREA 49N31W 990 MB. WITHIN
AN AREA BOUNDED BY A LINE FROM 39N35W TO 49N44W TO 50N51W TO
50N35W TO 39N35W WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF FORECAST AREA.

...GALE WARNING...
.LOW 40N70W 1017 MB MOVING NE 15 KT. WITHIN 300 NM N AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 43N64W 1013 MB. WITHIN 180 NM OF LOW
EXCEPT 300 NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST 44N48W 1000 MB. WITHIN 300 NM SE AND 540 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 51N44W 991 MB. WITHIN 360 NM S
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.

.SYNOPSIS AND FORECAST.

.HIGH 43N59W 1028 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 39N55W 1022 MB.
.48 HOUR FORECAST HIGH 38N37W 1022 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 1800 UTC SAT OCT 1.
24 HOUR FORECAST VALID 1800 UTC SUN OCT  2.
48 HOUR FORECAST VALID 1800 UTC MON OCT  3.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MATTHEW NEAR 13.5N 73.4W 940 MB AT 2100 UTC OCT 01
MOVING NW OR 315 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 130 KT
GUSTS 160 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM S
SEMICIRCLE...180 NM NE QUADRANT AND 170 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 210 NM NE QUADRANT...120 NM SE QUADRANT...
270 NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 35 FT.
ELSEWHERE WITHIN 240 NM NE SEMICIRCLE AND 120 NM SW SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA S OF A
LINE FROM 15N69W TO 19N76W TO 17N81W TO 12N83W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN E SWELL. FROM 19N TO 21N BETWEEN 71W
AND 75W...INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO
25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST HURRICANE MATTHEW NEAR 14.8N 74.4W. MAXIMUM
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...105 NM SE QUADRANT...70 NM SW
QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 180 NM E SEMICIRCLE AND 300 NM W SEMICIRCLE WITH SEAS
TO 34 FT. ELSEWHERE WITHIN 180 NM OF CENTER...EXCEPT 120 NM SW
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
FROM 11N TO 19N BETWEEN 70W AND 80W WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN E SWELL. FROM 20N TO 21N BETWEEN 71W AND 75W
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 17.6N 75.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...140 NM SE QUADRANT...100 NM SW
QUADRANT...AND 130 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
150 NM E SEMICIRCLE...270 NM SW QUADRANT...AND 210 NM NW
QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 270 NM OF CENTER
...EXCEPT 180 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER OF AREA FROM 13N TO 22N BETWEEN 70W AND 78W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MATTHEW NEAR 21.0N 75.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW NEAR 24.5N 75.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE MATTHEW NEAR 26.5N 76.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 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 FROM 17N TO 23N BETWEEN 50W AND 56W E TO SE WINDS 20 TO 25
KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 19N TO 24N BETWEEN 53W AND 59W E TO SE
WINDS 20 TO 25 KT. SEAS TO 8 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 LEWITSKY. NATIONAL HURRICANE CENTER.



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