000 FZNT02 KNHC 011608 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU SEP 01 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1200 UTC THU SEP 01. 24 HOUR FORECAST VALID 1200 UTC FRI SEP 02. 48 HOUR FORECAST VALID 1200 UTC SAT SEP 03. .WARNINGS. ...HURRICANE WARNING... .HURRICANE KATIA NEAR 15.5N 47.5W 987 MB AT 1500 UTC SEP 01 MOVING W OR 280 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM N SEMICIRCLE...90 NM SE QUADRANT AND 45 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...240 NM NE QUADRANT AND 150 NM NW QUADRANT WITH SEAS TO 26 FT. .24 HOUR FORECAST HURRICANE KATIA NEAR 17.0N 51.7W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N SEMICIRCLE...100 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 FT OR GREATER 270 NM NE QUADRANT...90 NM S SEMICIRCLE...AND 180 NM NW QUADRANT WITH SEAS TO 28 FT. .48 HOUR FORECAST HURRICANE KATIA NEAR 19.0N 55.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N SEMICIRCLE...125 NM SE QUADRANT AND 75 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE QUADRANT...150 NM S SEMICIRCLE AND 270 NM NW QUADRANT WITH SEAS TO 34 FT. .72 HOUR FORECAST HURRICANE KATIA NEAR 20.8N 58.0W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE KATIA NEAR 22.3N 61.0W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. .120 HOUR FORECAST HURRICANE KATIA NEAR 23.8N 64.0W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. .SYNOPSIS AND FORECAST. .ATLC...EXCEPT AS NOTED IN WARNING...WITHIN 480 NM N AND 180 S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST...EXCEPT AS NOTED IN WARNING...WITHIN 480 NM N AND 210 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST...EXCEPT AS NOTED IN WARNING...WITHIN 510 NM N AND 270 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .CARIBBEAN FROM 12N TO 18N BETWEEN 65W AND 80W NE TO E WINDS 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST S OF 18N W OF 83W E WINDS 20 KT. SEAS LESS THAN 20 KT. FROM 12N TO 18N BETWEEN 65W AND 80W E WINDS 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST S OF 16N BETWEEN 65W AND 75W NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO N OF 25N BETWEEN 85W AND 90W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE E OF 92W E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 28N92W 1005 MB. OVER FORECAST WATERS WITHIN 120 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 21N BETWEEN 83W AND 92W SE TO S WINDS 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 28N92W 1005 MB. OVER FORECAST WATERS WITHIN 180 NM WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 22N BETWEEN 85W AND 91W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.