High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 151603
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 15
24 HOUR FORECAST VALID 1200 UTC DEC 16
48 HOUR FORECAST VALID 1200 UTC DEC 17

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 55N50W 972 MB MOVING NW 20 KT. FROM 47N TO 57N BETWEEN 42W
AND 51W WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE WTIHIN
480 NM E...840 NM S AND 960 NM SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 10 TO 19 FT.
.06 HOUR FORECAST LOW 59N51W 961 MB. WITHIN 120 NM SE QUADRANT
AND FROM 59N TO 61N BETWEEN 45W AND 52W WINDS 50 TO 65 KT. SEAS
20 TO 28 FT.
.24 HOUR FORECAST LOW 60N60W 959 MB. FROM 61N TO 63N BETWEEN 50W
AND 62W AND WITHIN 720 NM SE QUADRANT WINDS 30 TO 45 KT. SEAS IN
ICE FREE WATERS 15 TO 25 FT. ELSEWHERE WITHIN 360 NM SW AND 960
NM SE QUADRANTS AND OVER FORECAST WATERS N OF 61N W OF GREENLAND
WINDS 20 TO 30 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 59N56W 974 MB. WITHIN 300 NM W SEMICIRCLE
AND 240 NM NE QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
ELSEWHERE FROM 55N TO 64N W OF 49W WINDS 20 TO 30 KT. SEAS 8 TO
16 FT.

...HURRICANE FORCE WIND WARNING...
.LOW 35N56W 1013 MB MOVING NE 40 KT AND RAPIDLY INTENSIFYING.
WITHIN 300 NM S SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 8 TO 14
FT.
.12 HOUR FORECAST LOW 38N74W 1006 MB. FROM 31N TO 38N BETWEEN
63W AND 80W WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 42N57W 983 MB.
FROM 37N TO 42N BETWEEN 51W AND 63W WINDS 40 TO 50 KT. SEAS 12
TO 22 FT. ELSEWHERE FROM 31N TO 45N BETWEEN 55W AND 75W WINDS 25
TO 40 KT. SEAS 8 TO 14 FT.
.42 HOUR FORECAST LOW 43N57W 968 MB. WITHIN 180 NM SW SEMICIRCLE
WINDS 50 TO 70 KT. SEAS 18 TO 30 FT.
.48 HOUR FORECAST LOW 54N45W 954 MB. WITHIN 120 NM NW AND 240 NM
S AND SE QUADRANTS WINDS 50 TO 70 KT. SEAS 22 TO 40 FT EXCEPT NW
QUADRANT SEAS 12 TO 20 FT. ELSEWHERE FROM 48N TO 59N BETWEEN 35W
AND 51W WINDS 35 TO 50 KT. SEAS 14 TO 26 FT. ALSO FROM 45N TO
55N BETWEEN 35W AND 66W WINDS 25 TO 35 KT. SEAS 9 TO 19 FT.

...STORM WARNING...
.LOW 58N65W 958 MB MOVING E 10. WITHIN 540 NM NW AND 780 NM SE
QUADRANTS WINDS 25 TO 40 KT.IN ICE FREE FORECAST WATERS SEAS 15
TO 24 FT. ELSEWHERE OVER FORECAST WATERS N OF 40N AND W OF 51W
WINDS 20 TO 30 KT. SEAS 9 TO 20 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
61N59W DESCRIBED ABOVE.

...GALE WARNING...
.LOW 61N41W 1004 MB MOVING N 05 KT. WITHIN 120 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 59N TO 62N
BETWEEN 35W AND 43W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED AND NEW LOW TO FORM 64N41W 980
MB. OVER FORECAST WATERS N OF 60N AND W OF 35W WINDS 25 TO 40
KT. SEAS 9 TO 19 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 42N56W 997 MB. FROM 35N TO 42N BETWEEN
35W AND 62W WINDS 30 TO 45 KT. SEAS 12 TO 22 FT...HIGHEST NEAR
39N55W. ELSEWHERE FROM 31N TO 45N BETWEEN 35W AND 71W WINDS 20
TO 30 KT. SEAS 8 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS W OF A
LINE FROM 47N64W TO 55N55W TO 61N62W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM W OF A
LINE FROM 48N65W TO 54N54W TO 56N57W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 47N64W TO 50N60W. LIGHT TO MODERATE FREEZING SPRAY W OF A
LINE FROM 45N61W TO 52N50W TO 61N61W.

.SYNOPSIS AND FORECAST.

.WITHIN 240 NM S OF A LINE FROM 45N35W TO 42N41W TO 38N50W S TO
SW WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST WITHIN 360 NM S OF A LINE FROM 44N35W TO
42N39W TO 37N44W SW WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 50N48W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N
BETWEEN 44W AND 48W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST. DENSE FOG E OF A LINE FROM 52N35W TO 56N38W
TO 57N35W.

.24 HOUR FORECAST NEW HIGH 45N41W 1022 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.48 HOUR FORECAST NEW 34N76W 1028 MB.

.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 1200 UTC FRI DEC 15.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 16.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 17.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.06 HOUR COLD FRONT FROM 30N84W TO 27N92W TO 24N97W. S OF 29.5N
W OF FRONT N TO NE WINDS 20 TO 30 KT...EXCEPT NW TO N WINDS S OF
25N. SEAS 8 TO 10 FT.
.06 HOUR FORECAST COLD FRONT FROM 28N83W TO 26N93W TO 24N95W TO
18.5N95.5W. FROM 22N TO 24N W OF FRONT NW TO N WINDS 30 TO 35
KT. SEAS 10 TO 14 FT. ELSEWHERE W OF FRONT S OF 28N N TO NE 20
TO 30 KT. SEAS 8 TO 12 FT.
.18 HOUR FORECAST STATIONARY FRONT FROM 27N83W TO 26N89W TO
24N95W TO 18.5N95W. S OF 21N W OF FRONT NW TO N WINDS 25 TO 35
KT. SEAS 10 TO 13 FT. ELSEWHERE S OF 24N W OF FRONT NW TO N
WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
.24 HOUR FORECAST 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.
.42 HOUR FORECAST FRONT DISSIPATED. LOW PRES NEAR 30N95W 1015 MB
WITH TROUGH TO 24N95W TO 26N96W.  N OF 27N BETWEEN 93W AND 95W
SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WEAKENING LOW JUST INLAND NEAR 30N93W 1016 MB
WITH TROUGH TO 26N97W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 15N BETWEEN 71W AND 79W...INCLUDING GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT FROM
11N TO 13N BETWEEN 74W AND 76W. SEAS 8 TO 11 FT...HIGHEST NEAR
12N75W.
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 25 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 70W AND 81W...INCLUDING GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 16N
BETWEEN 71W AND 79W...INCLUDING GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 10N TO 16N BETWEEN 79W
AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST 11N TO 13N BETWEEN 74W AND 76W NE TO E WINDS
25 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10.5N TO 17N
BETWEEN 71W AND 81.5W...INCLUDING GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST FROM 11N TO 12.5N BETWEEN 74W AND 76W NE TO E
WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 70W AND 81W...INCLUDING GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT EXCEPT 25 TO 30 KT S OF 14N BETWEEN 74W AND
77W. SEAS 8 TO 10 FT. FROM 13N TO 18.5N BETWEEN 67W AND 70W...
INCLUDING CARIBBEAN PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST FROM 11N TO 12.5N BETWEEN 74W AND 76W NE TO E
WINDS 25 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 70W AND 8.5W...INCLUDING GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. FROM 13.5N TO 18N BETWEEN
65W AND 70W...AND N OF 18N E OF 68W...INCLUDING CARIBBEAN
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC N AND NE OF A LINE FROM 25N45W TO 23N58W TO 26N65W TO
31N68W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.12 HOUR FORECAST COLD FRONT TO APPROACH FROM THE NW. N OF 30N
BETWEEN 72W AND 78W SW TO WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N70W TO 28N75W. N OF 30N
BETWEEN 62W AND 74W SW TO W WINDS 20 TO 25 KT...EXCEPT W TO
NW WINDS BEHIND FRONT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST NEW COLD FRONT TO MERGE WITH FIRST FRONT FROM
31N55W TO 27N60W. N OF 30N WITHIN 420 NM E OF MERGED FRONT SW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 29.5N W OF FRONT TO 64W
NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL.
ELSEWHERE W OF FRONT TO 67W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NW TO N SWELL.

.ATLC E OF A LINE FROM 31N45W TO 18N50W TO 11N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.12 HOUR FORECAST FROM 16N TO 25N E OF 41W E WINDS 20 TO 25 KT.
SEAS 9 TO 10 FT. ELSEWHERE NE OF A LINE FROM 13N35W TO 22N54W TO
31N63W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW
SWELL.
.24 HOUR FORECAST FROM 16N TO 23N E OF 40W E WINDS 20 TO 25 KT.
SEAS 9 TO 10 FT. ELSEWHERE E OF A LINE FROM 31N57W TO 21N54W TO
12N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW
SWELL.
.48 HOUR FORECAST N OF 11N E OF A LINE FROM 31N46W TO 23N49W TO
17N54W TO 11N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND NW SWELL.

.ATLC 42 HOUR FORECAST COLD FRONT FROM 31N57W TO 26N65W. N OF
30N WITHIN 330 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10
FT. N OF 30N WITHIN 420 NM W OF FRONT NW WINDS 20 TO 25 KT. SEAS
9 TO 12 FT IN NW SWELL. ELSEWHERE N OF 27N W OF FRONT TO 67W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.ATLC 42 HOUR FORECAST S OF 24N W OF 76W...INCLUDING STRAITS OF
FLORIDA...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 23.5N W OF 73W...INCLUDING STRAITS OF
FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST CARIBBEAN N OF 19N BETWEEN 74W AND
76W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.42 HOUR FORECAST ATLC N OF 18.5N BETWEEN 73.5W AND
78W...INCLUDING WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 18.5N BETWEEN 73.5W AND 84W...INCLUDING
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.

.GULF OF MEXICO 42 HOUR FORECAST S OF 24N E OF 85W...INCLUDING
STRAITS OF FLORIDA...E 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 AGUIRRE. NATIONAL HURRICANE CENTER.



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