FZNT01 KWBC 250410
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC MON FEB 25 2013 
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 
PAN PAN 
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 
SYNOPSIS VALID 0000 UTC FEB 25 
24 HOUR FORECAST VALID 0000 UTC FEB 26 
48 HOUR FORECAST VALID 0000 UTC FEB 27 
.WARNINGS.
...HURRICANE FORCE WIND WARNING... 
.LOW 41N64W 986 MB MOVING SE 20 KT AND RAPIDLY INTENSIFYING NEXT 
12 HOURS THEN TURNING MORE NE AFTER 36 HOURS. FRONT EXTENDS FROM 
LOW TO 39N61W TO 36N57W. WITHIN 180 NM W AND N SEMICIRCLES AND 
WITHIN 180 NM NE OF FRONT WINDS 35 TO 50 KT. SEAS 11 TO 20 FT... 
HIGHEST NEAR 39N66W. ELSEWHERE WITHIN 240 NM NW SEMICIRCLE AND 
WITHIN 180 NM NE AND E OF FRONT AND FROM 32N TO 40N BETWEEN 53W 
AND 70W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.12 HOUR FORECAST LOW 40N60W 977 MB. WITHIN 120 NM NW AND W AND 
180 NM S QUADRANTS WINDS 50 TO 65 KT. SEAS 21 TO 32 FT...HIGHEST 
IN S QUADRANT. ELSEWHERE WITHIN 240 NM NW AND S SEMICIRCLES AND 
WITHIN 120 NM NE AND E OF A FRONT FROM 41N59W TO 40N51W TO 
46N50W TO 33N53W WINDS 40 TO 50 KT. SEAS 13 TO 24 FT.
.24 HOUR FORECAST LOW 39N53W 977 MB. FRONT TO EXTEND FROM LOW TO 
43N46W TO 41N43W TO 31N50W. WITHIN 300 NM W AND SW SEMICIRCLES 
WINDS 40 TO 55 KT. SEAS 20 TO 36 FT. ALSO WITHIN 480 NM NW AND S 
SEMICIRCLES AND WITHIN 240 NM N AND E OF FRONT WINDS 25 TO 40 
KT. SEAS 11 TO 25 FT...HIGHEST IN SW QUADRANT.
.48 HOUR FORECAST LOW 43N42W 981 MB. WITHIN 240 NM SW...360 NM W 
AND 300 NM NE QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 27 FT. 
ELSEWHERE OVER FORECAST WATERS FROM 38N TO 54N E OF 53W WINDS 25 
TO 40 KT. SEAS 12 TO 24 FT.
...STORM WARNING... 
.LOW 51N36W 976 MB MOVING N 20 KT NEXT 12 HOURS THEN TURNING NW. 
OVER FORECAST WATERS WITHIN 540 NM SE AND SW SEMICIRCLES AND 
WITHIN 120 NM NW OF A FRONT FROM 57N41W TO 60N40W TO 64N35W 
WINDS 25 TO 40 KT. SEAS 11 TO 24 FT...HIGHEST NEAR 44N39W.
.24 HOUR FORECAST LOW 58N40W 973 MB. FRONT TO EXTEND FROM LOW TO 
60N40W TO 64N35W. WITHIN 120 NM NW AND N OF THE FRONT WINDS 45 
TO 60 KT. SEAS 18 TO 26 FT. ALSO WITHIN 240 NM S SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 15 TO 24 FT. ELSEWHERE WITHIN 360 NM SE 
SEMICIRCLE AND 540 NM W QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 
21 FT.
.48 HOUR FORECAST LOW E OF AREA WITH NEW LOW FORMING NEAR 63N39W 
993 MB. BETWEEN 120 NM AND 360 NM S QUADRANT WINDS 30 TO 45 KT. 
SEAS 14 TO 24 FT.
...GALE WARNING... 
.FROM 58N TO 66N BETWEEN 52W AND 59W AREA OF N TO NW WINDS 25 TO 
35 KT. SEAS 10 TO 15 FT. 
.24 HOUR FORECAST CONDITIONS MERGED WITH LOW 58N40W ABOVE. 
...GALE WARNING... 
.24 HOUR FORECAST FROM 31N TO 34N W OF 77W AREA OF E WINDS TO 25 
KT. SEAS TO 8 FT. 
.48 HOUR FORECAST NEW LOW INLAND NEAR 36N78W 1002 MB. FROM 31N 
TO 40N W OF 70W AREA OF SE TO S WINDS 25 TO 35 KT. SEAS 8 TO 15 
FT. ELSEWHERE FROM 31N TO 41N W OF 68W WINDS 20 TO 30 KT. SEAS 
TO 10 FT.
...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
NW AND W OF A LINE FROM 63N51W TO 58N57W TO 54N53W AND FROM 49N 
TO 52N W OF 51W.
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N 
BETWEEN 38W AND 52W AND FROM 46N TO 54N BETWEEN 52W AND 60W.
.SYNOPSIS AND FORECAST. 
.EXCEPT WHERE NOTED IN WARNINGS SECTION W OF A LINE FROM 46N58W 
TO 39N52W TO 31N52W AND E OF 74W WINDS 20 TO 30 KT. SEAS 8 TO 13 
FT.
.24 HOUR FORECAST EXCEPT WHERE NOTED IN WARNINGS SECTION FROM 
31N TO 48N BETWEEN 36W AND 65W WINDS 20 TO 30 KT. SEAS TO 12 FT 
EXCEPT S OF 46N 9 TO 17 FT.
.48 HOUR FORECAST EXCEPT WHERE NOTED IN WARNINGS SECTION OVER 
FORECAST WATERS E OF A LINE FROM 56N52W TO 46N60W TO 31N56W 
WINDS 20 TO 30 KT. SEAS 10 TO 23 FT...HIGHEST NEAR 37N44W WITH N 
TO NW SWELL.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST 
WATERS FROM 50N TO 61N E OF 40W. 
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA. 
.FORECASTER BANCROFT. 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 MON FEB 25.
24 HOUR FORECAST VALID 0000 UTC TUE FEB 26.
48 HOUR FORECAST VALID 0000 UTC WED FEB 27.
.WARNINGS.
...GULF OF MEXICO GALE WARNING...
.18 HOUR FORECAST COLD FRONT FROM 30N91W TO 21N97W. N OF 26N W 
OF FRONT NW WINDS 30 TO 35 KT. SEAS TO 11 FT.  
.24 HOUR FORECAST COLD FRONT FROM 30N90W TO 20N95W. N OF 26N W 
OF FRONT NW WINDS 30 TO 35 KT. SEAS TO 11 FT.  
.30 HOUR FORECAST WINDS BELOW GALE FORCE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N68W TO 27N80W. N OF 29N E FRONT TO 58W 
SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 25N E OF 
58W SEAS 12 TO 19 FT PRIMARILY IN NW SWELL...REMAINDER AREA N OF 
12N E OF 63W SEAS 8 TO 14 FT PRIMARILY IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N52W TO 27N70W THEN 
STATIONARY TO 26N74W TO 28N80W. N OF 29N W OF FRONT TO 70W NW TO 
N WINDS 20 TO 25 KT. SEAS 8 TO 14 FT. N OF 28N E FRONT TO 42W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 14 FT. ELSEWHERE N OF 15N E OF 65W 
WINDS 20 KT OR LESS. SEAS 8 TO 13 FT PRIMARILY IN N SWELL. S OF 
15N WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED NW AND 
NE SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N39W TO 23N53W. FORECAST 
WATERS N OF 26N WITHIN 300 NM E FRONT SW WINDS 20 TO 25 KT. SEAS 
8 TO 14 FT. N OF 28N W OF FRONT TO 53W W TO NW WINDS 20 TO 25 
KT. SEAS 13 TO 21 FT IN NW SWELL. ELSEWHERE N OF 27N E OF 65W 
WINDS 20 KT OR LESS. SEAS 8 TO 14 FT PRIMARILY IN N SWELL. S OF 
27N E OF 60W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN 
MIXED NW AND NE SWELL. 
.ATLC 24 HOUR FORECAST N OF 27N W OF 72W E TO SE WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.ATLC 48 HOUR FORECAST COLD FRONT W OF AREA. N OF 28N W OF 70W S 
TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.CARIBBEAN FROM 10N TO 15N BETWEEN 73W AND 80W NE TO E WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 10N TO 15N BETWEEN 73W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST FROM 11N TO 16N BETWEEN 69W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT.
.CARIBBEAN S OF 19N W OF 85W E TO SE WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.
.GULF OF MEXICO 12 HOUR FORECAST COLD FRONT APPROACH. N OF 26N W 
OF 87W S WINDS INCREASING TO 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST EXCEPT AS NOTED IN GULF OF MEXICO WARNING...   
COLD FRONT FROM 30N91W TO 21N97W. S OF 26N W OF FRONT NW WINDS 
20 TO 30 KT. SEAS TO 8 FT. N OF 25N E OF FRONT TO 87W S TO SW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN GULF OF MEXICO WARNING...   
COLD FRONT FROM 30N90W TO 20N95W. FROM 21N TO 26N W OF FRONT NW 
WINDS 20 TO 30 KT. SEAS TO 10 FT. N OF 25N E OF FRONT TO 87W S 
TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST COLD FRONT FROM 30N87W TO 21N90W. W OF FRONT 
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. N OF 24N E OF FRONT 
TO 84W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 26N81W TO 21N87W. N OF 27N W 
OF FRONT TO 90W W WINDS 20 TO 25 KT. SEAS TO 10 FT. S OF 27N W 
OF FRONT TO 93W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.