Expires:No;;711268
FZNT01 KWBC 130359
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC THU DEC 13 2018 

CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION 
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE) 

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 
AMERICAN ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.SHTML 

PAN PAN 

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

SYNOPSIS VALID 0000 UTC DEC 13. 
24 HOUR FORECAST VALID 0000 UTC DEC 14. 
48 HOUR FORECAST VALID 0000 UTC DEC 15. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 46N49W 959 MB MOVING NE 30 KT. OVER FORECAST 
WATERS...WITHIN 180 NM SE QUADRANT AND 120 NM NW SEMICIRCLE 50 
TO 65 KT. SEAS 20 TO 36 FT. ELSEWHERE WITHIN 600 NM E AND 
SE...180 NM SW AND NW...AND 240 NM NE QUADRANTS WINDS 35 TO 50 
KT. SEAS 14 TO 28 FT. ALSO WITHIN 480 NM N...780 NM E...1020 NM 
S...AND 900 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 22 
FT...HIGHEST S QUADRANT.
.24 HOUR FORECAST LOW E OF AREA 51N32W 955 MB. WITHIN 300 NM W 
AND SW QUADRANTS WINDS 50 TO 60 KT. SEAS 40 TO 50 FT. ELSEWHERE 
WITHIN 300 NM W SEMICIRCLE WINDS 40 TO 50 KT. SEAS 30 TO 40 FT.  
 ALSO E OF A LINE FROM 31N44W TO 35N56W TO 49N66W TO 56N58W 
WINDS 25 TO 40 KT. SEAS 15 TO 30 FT...EXCEPT W OF 50W SEAS 9 TO 
18 FT. 
.48 HOUR FORECAST LOW E OF AREA NEAR 60N29W 958 MB. WITHIN 360 
NM W AND NW QUADRANTS WINDS 35 TO 45 KT. SEAS 14 TO 24 FT. 
ELSEWHERE WITHIN 480 NM W SEMICIRCLE...AND E OF A LINE FROM 
37N35W TO 44N64W TO 50N62W TO 58N55W WINDS 25 TO 35 KT. SEAS 11 
TO 22 FT...EXCEPT W OF 50W SEAS 8 TO 13 FT.

...STORM WARNING...
.OVER FORECAST WATERS N OF 64N E OF GREENLAND AREA OF E TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.12 HOUR FORECAST WITHIN 90 NM N OF A FRONT FROM 64N39W TO 
64N35W AREA OF NE WINDS 40 TO 50 KT SEAS 14 TO 20 FT.
.24 HOUR FORECAST WITHIN 90 NM N OF A LINE FROM 64N39W TO 65N35W 
AREA OF NE WINDS 40 TO 55 KT. SEAS 18 TO 24 FT. ELSEWHERE N OF 
63N E OF GREENLAND WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 60N29W DESCRIBED 
ABOVE. 

...GALE WARNING... 
.LOW 61N42W 985 MB MOVING W 05 KT. FROM 54N TO 60N BETWEEN 35W 
AND 54W...AND WITHIN 300 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 
12 TO 22 FT....EXCEPT W OF 47W SEAS 9 TO 16 FT. 
.24 HOUR FORECAST LOW 61N47W 975 MB. OVER FORECAST WATERS N OF 
56N W OF 43W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 63N53W 985 MB. N OF 58N W OF 52W WINDS 25 
TO 40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.LOW 64N63W 996 MB MOVING SE 15 KT. OVER FORECAST WATERS WITHIN 
300 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 61N47W 
DESCRIBED ABOVE.

...GALE WARNING...
.LOW E OF AREA 60N31W MOVING W 10 KT. CONDITIONS E OF AREA.
.12 HOUR FORECAST LOW 61N38W 974 MB. WITHIN 120 NM W AND NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 60N40W 970 MB. E OF 43W WITHIN 240 NM SW 
QUADRANT...AND FROM 59N TO 63N E OF 42W WINDS  25 TO 35 KT. SEAS 
8 TO 15 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 60N29W 
DESCRIBED ABOVE.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS W OF A 
LINE FROM 49N62W TO 53N53W TO 61N59W TO 65N57W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 51N54W TO 61N60W TO 67N56W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 61N60W TO 67N56W. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST OVER FORECAST WATERS FROM 31N TO 36N W OF 71W 
AREA OF S TO SE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ALSO FROM 
34N TO 39N BETWEEN 62W AND 69W AREA OF S WINDS TO 25 KT. SEAS TO 
10 FT. 

.HIGH 36N75W 1025 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 41N67W 1036 MB. 
.48 HOUR FORECAST HIGH 37N59W 1036 MB. 

.FORECASTER KELLS. 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 13.
24 HOUR FORECAST VALID 0000 UTC FRI DEC 14.
48 HOUR FORECAST VALID 0000 UTC SAT DEC 15.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO W OF 95W SE TO S WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.21 HOUR FORECAST COLD FRONT FROM 30N93W TO 22N96W. N OF 24N E 
OF THE FRONT TO 89W S TO SW WINDS 20 TO 30 KT. SEAS TO 8 FT. 
ELSEWHERE N OF 26N E OF THE FRONT TO 83W SE WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N90W TO 21N97W. N OF 24N W 
OF 94W W TO NW WINDS 30 TO 40 KT. SEAS 8 TO 12 FT. ELSEWHERE N 
OF 24N W OF FRONT NW TO N WINDS 20 TO 30 KT. SEAS TO 9 FT. N OF 
25N E OF FRONT S WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N82W TO 17N88W. W OF THE 
FRONT W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 30N55W TO 23N65W THEN STATIONARY TO 
20N73W. N OF 29N E OF FRONT TO 50W SW WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT. ELSEWHERE N OF A LINE FROM 28N35W TO 30N46W TO 24N65W 
TO 24N65W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 31N50W TO 25N60W THEN 
STATIONARY TO 20N65W. N OF A LINE FROM 28N35W TO 30N46W TO 
25N61W TO 31N67W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 27N52W THEN 
DISSIPATING STATIONARY TO 24N70W. N OF A LINE FROM 29N35W TO 25N 
51W TO 31N61W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N35W TO 27N39W THEN FRONTAL 
TROUGH TO 23N47W. E OF A LINE FROM 31N62W TO 25N62W TO 25N44W TO 
11N42W TO 11N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
NE AND NW SWELL. 

.ATLC 18 HOUR FORECAST FROM 12N TO 17N E OF 36W WINDS 20 KT OR 
LESS. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS AND SEAS MERGE WITH AREA DISCUSSED IN 
THE SECTION ABOVE.

.ATLC 27 HOUR FORECAST N OF 28N W OF 77W SE WINDS 20 TO 25 KT. 
SEAS BUILDING TO 8 FT.
.36 HOUR FORECAST COLD FRONT APPROACHING FROM THE W. N OF 26N W 
OF 74W SE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 24N 
TO 27N BETWEEN 60W AND 74W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 
FT. 
.48 HOUR FORECAST COLD FRONT ABOUT TO ENTER NW WATERS. N OF 27N 
W OF 70W SE TO S WINDS 20 TO 25 KT. SEAS TO 12 FT. 

.CARIBBEAN STATIONARY FRONT FROM 20N73W TO 19N80W THEN 
DISSIPATING TO 16N85W. FROM 18N TO 21N W OF THE FRONT TO 80W 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN S OF 13N BETWEEN 70W AND 76W NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.06 HOUR FORECAST FROM 10N TO 14N BETWEEN 71W AND 78W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 79W NE TO E 
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 10N TO 18N BETWEEN 70W AND 81W NE TO E 
WINDS 25 TO 25 KT. SEAS 8 TO 9 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.