High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 142159
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU DEC 14 2017

CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 14
24 HOUR FORECAST VALID 1800 UTC DEC 15
48 HOUR FORECAST VALID 1800 UTC DEC 16

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 40N66W 995 MB MOVING NE 45 KT AND INTENSIFYING. WITHIN 300
S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 15 TO 20 FT.
ELSEWHERE WITH 540 NM S AND 840 NM SW QUADRANTS WINDS 25 TO 35
KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW 59N50W 972 MB. WITHIN 180 NM NE QUADRANT
WINDS 50 TO 70 KT. SEAS 18 TO 26 FT.  WITHIN 300 NM E AND 480 NM
SE QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 26 FT. ALSO FROM 35W
TO 50W BETWEEN 48N AND 61N WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.36 HOUR FORECAST LOW 61N58W 962 MB. WITHIN 120 NM NE SEMICIRCLE
 WINDS 40 TO 50 KT. SEAS 20 TO 32 FT.
.48 HOUR FORECAST LOW 61N59W 964 MB. WITHIN 120 NM NW QUADRANT
WINDS 40 TO 50 KT. SEAS 18 TO 25 FT. ELSEWHERE OVER FORECAST
WATERS FROM 52N TO 64N BETWEEN 35W AND 65W WINDS 25 TO 35 KT.
SEAS 12 TO 22 FT.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N61W 960 MB MOVING NW 20 KT.
FROM 57N TO 62N BETWEEN 43W AND 65W WINDS 35 TO 50 KT. SEAS 12
TO 26 FT. ELSEWHERE FROM 46N TO 60N BETWEEN 35W AND 65W  AND
FROM 62N TO 67N BETWEEN 54W AND 64W WINDS 25 TO 40 KT. SEAS 10
TO 14 FT...EXCEPT IN S QUADRANT 12 TO 24 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N60W 968 MB.
OVER FORECAST WATERS WITHIN 360 NM SE QUADRANT WINDS 35 TO 50
KT. SEAS 14 TO 22 FT. ELSEWHERE OVER FORECAST WATERS FROM 44N TO
58N BETWEEN 50W AND 66W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW ABSORBED WITH CONDITIONS DESCRIBED WITH
LOW 61N59W.

...STORM WARNING...
.30 HOUR FORECAST NEW LOW 37N71W 1009 MB. WITHIN 120 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW 39N65W 1002 MB AND INTENSIFYING. WITHIN
240 NM SW QUADRANT WINDS 40 T0 50 KT. SEAS 15 TO 22 FT.
.48 HOUR FORECAST LOW 44N53W 976 MB. WITHIN 300 NM E...480 NM
S...AND 300 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 24 FT.
ELSEWHERE WITHIN 180 NM N...480 NM E...720 NM S...840 NM W
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 61N40W 999 MB. WITHIN 90 NM NW
QUADRANT WINDS 30 TO 45 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN
180 NM OF CENTER WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 90 NM OF A LINE FROM
63N35W TO 60N42W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 61N59W.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 47N64W TO
50N60W. LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 61N60W
TO 64N52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 47N64W TO 50N62W. LIGHT TO MODERATE FREEZING SPRAY W OF A
LINE FROM 55N53W TO 61N61W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 48N65W TO 50N62W. LIGHT TO MODERATE FREEZING SPRAY W OF A
LINE FROM 54N55W TO 56N58W TO 56N60W..

.SYNOPSIS AND FORECAST.

.FRONT EXTENDS FROM 47N35W TO 31N54W. WITHIN 240 NM SE OF THE
FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FRONT TO EXTEND FROM 45N37W TO 36N48W. WITHIN
360 NM SE OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 44N53W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 50N
BETWEEN 35W AND 38W.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 43N TO 46N BETWEEN 48W AND 52W.

.FORECASTER KREKELER. 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 THU DEC 14.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 15.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 16.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 12 HOUR FORECAST COLD FRONT FROM 31N86W TO
26N94W TO 23N97W. W OF 92W AND W OF FRONT N TO NE WINDS 20 TO
30 KT. SEAS BUILDING TO 9 FT.
.18 HOUR FORECAST COLD FRONT FROM 30N85W TO 26N93W TO 24N96W TO
21N97W. S OF 25N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS TO 9
FT. ELSEWHERE W OF 90W AND W OF FRONT N TO NE WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST COLD FRONT FROM 28N83W TO 26N91W TO 25N95W TO
19N95W. FROM 21N TO 25N W OF FRONT NW TO N WINDS 30 TO 35 KT.
SEAS BUILDING TO 10 TO 13 FT. ELSEWHERE S OF 28N W OF 88W AND W
OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.42 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 27N83W TO
26N92W TO 24N96W TO 19N95W. S OF 24N W OF FRONT NW TO N WINDS 20
TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WEAKENING FRONT FROM 27N83W TO 26N96W TO
20N95W. FROM 26N TO 29N BETWEEN 91W AND 95W E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.

...CARIBBEAN GALE WARNING...
.CARIBBEAN S OF 13N 67W AND 72W E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.12 HOUR FORECAST FROM 10.5N TO 17N BETWEEN 68W AND 79W...
INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS
BUILDING TO 9 FT.
.24 HOUR FORECAST FROM 10.5N TO 17.5N BETWEEN 70W AND 80...
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT.
.36 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10.5N TO
17.5N BETWEEN 70W AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO
10 FT.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 25 TO 30 KT. SEAS 10 TO 12FT. ELSEWHERE FROM 10.5N TO
16.5N BETWEEN 72W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
11 FT IN E SWELL. FROM 14.5N TO 17.5N BETWEEN 68W AND 72W NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC N OF 29N BETWEEN 66W AND 75W SW TO W WINDS 20 TO 25 KT.
SEAS TO 9 FT. ELSEWHERE N OF A LINE FROM 31N52W TO 24N66W TO
31N73W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW
SWELL.
.24 HOUR FORECAST E OF A LINE FROM 31N65W TO 23N54W TO 20N41W TO
14N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW
SWELL.
.48 HOUR FORECAST E OF A LINE FROM 31N55W TO 24N53W TO 20N55W TO
12N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW
SWELL. FROM 15N TO 18N BETWEEN 58W AND 61W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL.

.ATLC E OF A LINE FROM 31N35W TO 25N43W TO 18N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED.

.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N72W TO 28N80.5W. N OF
30N BETWEEN 65W AND 75W SW TO W WINDS 20 TO 25 KT...EXCEPT W TO
NW WINDS BEHIND FRONT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT 31N63W TO 28N73W. N OF 30N E OF
FRONT TO 55W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.CARIBBEAN TROUGH FROM 19N79W TO 09N80W. WITHIN 90 NM W OF
TROUGH N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST TROUGH WEAKENED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.


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