High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 290338
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 29
24 HOUR FORECAST VALID 0000 UTC SEP 30
48 HOUR FORECAST VALID 0000 UTC OCT 01

.WARNINGS.

...STORM WARNING...
.LOW 39N67W 1014 MB MOVING NE 25 KT. WITHIN 300 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW 45N52W 1014 MB. WITHIN 240 NM OF LOW
EXCEPT NE QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 360 NM E AND SE QUADRANTS AND 240 NM NE AND 360 NM SW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST LOW 46N49W 999 MB. WITHIN 180 NM W SEMICIRCLE
AND 240 NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 47N40W 996 MB. WITHIN 300 NM SW AND 180 NE
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 13 TO 23 FT. ELSEWHERE OVER
FORECAST WATERS FROM 39N TO 50N BETWEEN 35W AND 51W WINDS 20 TO
30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 61N42W 1002 MB MOVING SE 20 KT. WITHIN 660 NM SW SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA. BETWEEN 35W AND A
LINE FROM 48N35W TO 57N45W WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.

...GALE WARNING...
.WITHIN 180 NM N OF FRONT FROM 44N50W TO 42N64W TO 38N75W AREA
OF NE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 180 NM N OF FRONT FROM 41N59W TO 39N69W
TO 37N75W AREA OF NE WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 38N TO 42N BETWEEN 64W AND 75W AREA OF E
TO NE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 67N63W 1004 MB. WITHIN 480 NM S
QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 65N57W 999 MB. WITHIN 540 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 60N40W 997 MB. WITHIN 300 NM SW AND S
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 180 NM N AND NW OF A FRONT FROM 31N44W TO 35N35W AREA OF
NE WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.HIGH 41N41W 1037 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 42N37W 1033 MB.
.48 HOUR FORECAST HIGH E OF WATERS.

.HIGH 49N52W 1036 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 42N37W.

.48 HOUR FORECAST NEW HIGH 52N41W 1026 MB.

.48 HOUR FORECAST NEW HIGH 35N47W 1023 MB.

.FORECASTER MUSONDA. 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 THU SEP 29.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 30.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 01.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MATTHEW NEAR 13.9N 63.1W 1004 MB AT 0300 UTC SEP
29 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...100 NM SE QUADRANT...0 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 390 NM NE QUADRANT...120
NM SE QUADRANT...30 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH
SEAS TO 24 FT. ELSEWHERE WITHIN 420 NM NE SEMICIRCLE AND 300 NM
NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA BOUNDED BY 27N63W TO 14N49W TO 09N49W TO 12N70W TO 14N74W
TO 22N71W TO 27N63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED SWELL.
.24 HOUR FORECAST HURRICANE MATTHEW NEAR 14.4N 67.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 50 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...
90 NM SE QUADRANT...180 NM SW QUADRANT AND 300 NM NW QUADRANT
WITH SEAS TO 34 FT. ELSEWHERE WITHIN 300 NM OF CENTER...EXCEPT
120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA FROM 10N TO 17N BETWEEN 64W AND 75W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL. WITHIN AREA BOUNDED BY 29N59W TO
10N50W TO 10N59W TO 18N63W TO 18N67W TO 22N73W TO 29N59W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST HURRICANE MATTHEW NEAR 14.1N 71.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM NE QUADRANT...120 NM SE QUADRANT...240 NM SW QUADRANT AND
360 NM NW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE WITHIN 240 NM E
SEMICIRCLE AND 180 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA FROM 10N TO 18N BETWEEN 68W AND 81W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. FROM 19N TO
26N BETWEEN 64W AND 73W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED NE AND SE SWELL.
.72 HOUR FORECAST HURRICANE MATTHEW NEAR 14.5N 73.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MATTHEW NEAR 16.8N 75.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE MATTHEW NEAR 20.0N 75.5W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 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 N OF A LINE FROM 31N46W TO 29N51W NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC FROM 16N TO 20N E OF 37W WINDS 20 KT OR LESS. SEAS TO 8 FT
IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 22N35W TO 15N35W TO
15N45W TO 19N45W TO 22N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.
.48 HOUR FORECAST FROM 17N TO 22N BETWEEN 41W AND 50W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.ATLC AND CARIBBEAN FROM 20N TO 21.5N BETWEEN 70W AND 73W NE TO
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN HURRICANE WARNING...FROM
18N TO 21.5N BETWEEN 70W AND 76W...INCLUDING THE WINDWARD
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN HURRICANE WARNING...WITHIN
45 NM EITHER SIDE OF A LINE FROM 20.5N72W TO 17N76W...INCLUDING
THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11
FT.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 70W AND 76W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA AND GULF OF VENEZUELA...NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT W OF 73W.
.06 HOUR FORECAST FROM 10.5N TO 14N BETWEEN 73W AND 78W...
INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 39 HOUR FORECAST FROM 22N TO 24.5N W OF 96W NW
TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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