HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC WED SEP 08 2010 
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 
SECURITE 
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 
SYNOPSIS VALID 1800 UTC SEP 08. 
24 HOUR FORECAST VALID 1800 UTC SEP 09. 
48 HOUR FORECAST VALID 1800 UTC SEP 10. 
.WARNINGS. 

GALE WARNING
.LOW E OF AREA NEAR 58N31W 990 MB NEARLY STATIONARY. OVER 
FORECAST WATERS WITHIN 420 NM NW QUADRANT WINDS 25 TO 35 KT. 
SEAS 9 TO 15 FT. 
.24 HOUR FORECAST LOW 59N27W 993 MB. WITHIN 480 NM NW AND W 
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST LOW WELL E OF THE FORECAST AREA. OVER FORECAST 
WATERS E OF A LINE FROM 61N47W TO 53N35W AREA OF W WINDS 25 TO 
35 KT. SEAS 8 TO 13 FT. 

GALE WARNING
.12 HOUR FORECAST LOW N OF AREA NEAR 69N55W 1004 MB. WITHIN 240 
NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED. 

GALE WARNING
.LOW 48N72W 999 MB MOVING E 15 KT. OVER FORECAST WATERS WITHIN 
540 NM S QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 47N64W 997 MB WITH A FRONT FROM CENTER TO 
47N61W TO 42N62W TO 36N67W. WITHIN 240 NM N AND E OF THE FRONT N 
OF 47N WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 300 
NM E OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 48N61W 999 
MB WITH AN ASSOCIATED FRONT FROM 51N55W TO 44N55W TO 35N63W. 
WITHIN 300 NM NE AND E OF THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 
14 FT. 
.SYNOPSIS AND FORECAST. 
.POST-TROPICAL EARL 51N48W 1001 MB MOVING E 15 KT. OVER FORECAST 
WATERS WITHIN 300 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 
FT.
.24 HOUR FORECAST POST-TROPICAL EARL 51N33W 1004 MB. WITHIN 360 
NM SW AND S SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST POST-TROPICAL EARL AND CONDITIONS E OF AREA. 
.LOW 45N36W 1006 MB MOVING NE 25 KT. WITHIN 300 NM S AND SE 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.12 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 
.HIGH 38N57W 1018 MB MOVING NE 20 KT. 
.24 HOUR FORECAST HIGH 43N48W 1020 MB. 
.48 HOUR FORECAST HIGH 46N37W 1027 MB. 
.HIGH 59N67W 1020 MB MOVING SE 25 KT. 
.24 HOUR FORECAST HIGH 53N54W 1019 MB. 
.48 HOUR FORECAST HIGH MERGED WITH HIGH 46N37W.
.(END OF FORECAST)