High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 140344
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 0000 UTC DEC 14
24 HOUR FORECAST VALID 0000 UTC DEC 15
48 HOUR FORECAST VALID 0000 UTC DEC 16

.WARNINGS.

...STORM WARNING...
.LOW INLAND 49N65W 967 MB MOVING N 20 KT. WITHIN 720 NM S
QUADRANT WINDS 35 TO 50 KT. SEAS 18 TO 29 FT. ELSEWHERE WITHIN
660 NM NE...1120 NM SE...AND 900 NM SW QUADRANTS WINDS 25 TO 40
KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N63W 960 MB.
WITHIN 120 NM N OF A LINE FROM LOW CENTER TO 59N54W TO 58N44W.
WINDS 40 TO 55 KT. SEAS 16 TO 28 FT. ELSEWHERE WITHIN 660 NM
N...1020 NM E...AND 780 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS
12 TO 20 FT.
.48 HOUR FORECAST LOW 56N57W 967 MB. WITHIN 600 NM S AND SE
QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 25 FT.

...STORM WARNING...
.12 HOUR FORECAST LOW 40N73W 999 MB. WITHIN 480 NM S AND SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 44N59W 987 MB. WITHIN 120 NM E OF A FRONT
FROM LOW CENTER TO 39N62W WINDS 40 TO 55 KT. SEAS 16 TO 28 FT.
ELSEWHERE W OF A LINE FROM 32N63W TO 40N50W TO 46N48W WINDS 25
TO 40 KT. SEAS 10 TO 20 FT.
.42 HOUR FORECAST LOW 58N52W 959 MB. WITHIN 240 NM NE QUADRANT
WINDS 45 TO 60 KT. SEAS 18 TO 29 FT.
.48 HOUR FORECAST LOW 60N56W 953 MB. WITHIN 180 NM N AND 120 NM
E AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 28 FT.
ELSEWHERE WITHIN 420 NM N AND 300 NM E AND SE QUADRANTS WINDS 25
TO 35 KT SEAS 12 TO 22 FT.

...GALE WARNING...
.BETWEEN 60N AND A LINE FROM 53N35W TO 58N45W WINDS 25 TO 40 KT.
SEAS 11 TO 24 FT.
.24 HOUR FORECAST CONDITIONS E OF AREA.

...GALE WARNING...
.48 HOUR FORECAST LOW 36N71W 1009 MB. N OF 31N AND WITHIN 360 NM
S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY W AND N OF A LINE FROM 56N56W
TO 60N58W TO 64N52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 62N58W TO 63N51W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 52N51W TO 59N60W AND N OF A LINE FROM 65N56W TO 67N53W.

.SYNOPSIS AND FORECAST.

.LOW JUST E OF AREA 45N34W 1016 MB MOVING E 20 KT. WITHIN 240 NM
NW AND 360 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. WITHIN 240 NM E AND SE OF
A FRONT FROM 45N35W TO 41N42W TO 34N50W WINDS 20 TO 30 KT. SEAS
8 TO 14 FT.
.48 HOUR FORECAST WITHIN 180 NM SE OF A FRONT FROM 45N35W TO
36N47W WINDS TO 25 KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 51N
BETWEEN 43W AND 58W.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.DENSE FOG. 36 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 44N TO 48N BETWEEN 42W AND 48W.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.HIGH 63N56W 1021 MB MOVING N 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED N OF AREA.

.24 HOUR FORECAST NEW HIGH 44N41W 1021 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.FORECASTER ACHORN. 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 DEC 14.
24 HOUR FORECAST VALID 0000 UTC FRI DEC 15.
48 HOUR FORECAST VALID 0000 UTC SAT DEC 16.

.WARNINGS.

...GALE WARNING...
.GULF OF MEXICO 30 HOUR FORECAST COLD FRONT FROM 30N92W TO
26N97W. W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.42 HOUR FORECAST COLD FRONT FROM 30N84W TO 25N96W TO 21N97W.
FROM 22N TO 24N W OF 97W N TO NW WINDS 30 TO 35 KT. SEAS 9 TO 12
FT. ELSEWHERE W OF FRONT AND S OF 28N N TO NW WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 29N83W TO 24N95W TO 19N96W.
FROM 21N TO 24N W OF 96W N TO NW WINDS 30 TO 35 KT. SEAS 10 TO
13 FT. ELSEWHERE W OF FRONT AND S OF 27N N TO NW WINDS 20 TO 30
KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 31N62W TO 25N70W TO 22N78W. N OF LINE FROM
31N54W TO 28N60W TO 25N74W TO 29N76W WINDS 20 KT OR LESS. SEAS 8
TO 15 FT IN NW SWELL...HIGHEST NEAR 31N66W.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N53W TO
20N70W. N OF LINE FROM 31N47W TO 23N60W TO 31N66W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST TROUGH FROM 31N52W TO 26N57W. N OF LINE FROM
16N35W TO 21N53W TO 30N55W TO 30N62W WINDS 20 KT OR LESS. W OF
45W SEAS 8 TO 10 FT IN NW SWELL. E OF 45W SEAS 8 TO 10 FT IN
MIXED NW AND E SWELL.

.ATLC N OF LINE FROM 21N35W TO 24N39W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED NW AND E SWELL.
.24 HOUR FORECAST E OF LINE FROM 31N35W TO 24N43W TO 17N35W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NW AND E SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH ABOVE.

.ATLC S OF 15N BETWEEN 50W AND 58W WINDS 20 KT OR LESS. SEAS 8
FT IN NE SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN TROUGH FROM 20N75W TO 14N79W TO 10N80W. S OF 16N W OF
FRONT N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.18 HOUR FORECAST TROUGH FROM 20N77W TO 16N80W TO 10N81W. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST FROM 11N TO 12N BETWEEN 73W AND 75W
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND 76W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 11N AND S OF LINE FROM 13N70W TO 15N75W
TO 15N79W NE TO E WINDS 20 TO 30 KT. SEAS TO 10 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


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