000 FZNT23 KNHC 032132 OFFNT3 ATLC/CARIBBEAN OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLANTIC AND CARIBBEAN SEA NWS NATIONAL HURRICANE CENTER MIAMI FL 530 PM EDT SAT SEP 03 2011 OFFSHORE WATERS FORECAST FOR THE TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W...THE SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS...AND THE CARIBBEAN SEA. 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. AMZ089-040330- SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W 530 PM EDT SAT SEP 03 2011 .SYNOPSIS...TROPICAL STORM KATIA...DOWNGRADED FROM HURRICANE... AT 19.9N 56.8W 993 MB AT 2100 UTC SEP 03 MOVING W-NW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 60 GUSTS 75 KT. KATIA EXPECTED TO INTENSIFY AGAIN TO HURRICANE FORCE AS IT MOVES THROUGH TROPICAL N ATLC ZONE TO 23.1N 61.5W SUN NIGHT. WINDS AND SEAS REMAIN SUBDUED IN MUCH OF THE CARIBBEAN. $$ AMZ082-040330- NW CARIBBEAN N OF 15N W OF 75W 530 PM EDT SAT SEP 03 2011 .TONIGHT THROUGH TUE...W OF 82W SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. E OF 82W E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .WED AND THU...W OF 80W SE TO S WINDS 10 KT. SEAS 3 TO 4 FT. E OF 80W E TO SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. $$ AMZ084-040330- SW CARIBBEAN S OF 15N W OF 75W 530 PM EDT SAT SEP 03 2011 .TONIGHT...N OF 12N E WINDS 10 KT. SEAS 2 TO 3 FT. S OF 12N NE WINDS LESS THAN 10 KT. SEAS 1 TO 2 FT. SCATTERED TSTMS S OF 14N. .SUN THROUGH MON NIGHT...N OF 12N W OF 80W E WINDS 10 KT. SEAS 3 TO 5 FT. ELSEWHERE E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. .TUE THROUGH THU...N OF 12N E OF 80W E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. ELSEWHERE NE TO E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. $$ AMZ086-040330- E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS 530 PM EDT SAT SEP 03 2011 .TONIGHT THROUGH MON NIGHT...S OF 15N W OF 65W E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. ELSEWHERE NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .TUE THROUGH THU...W OF 70W E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. E OF 70W SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. $$ AMZ087-040330- TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 530 PM EDT SAT SEP 03 2011 ...HURRICANE WARNING N OF 18N E OF 61W... .TONIGHT THROUGH SUN NIGHT...TROPICAL STORM AND HURRICANE CONDITIONS EXPECTED WITHIN 120 NM OF CENTER OF KATIA. HIGHEST WINDS 70 GUSTS 85 KT SUN. SEAS 12 FT OR GREATER WITHIN 300 NM N AND 210 NM S SEMICIRCLES. HIGHEST SEAS TO 29 FT. ELSEWHERE N OF 15N NW WINDS TO 33 KT SHIFTING SW SUN AND SUN NIGHT. SEAS 8 TO 12 FT. S OF 15N SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. NUMEROUS SQUALLS AND TSTMS N OF 12N E OF 60W. .MON AND MON NIGHT...N OF 18N W OF 60W SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ELSEWHERE N OF 15N SW TO S WINDS 10 KT. SEAS 4 TO 6 FT. S OF 15N NE TO E WINDS 4 FT. .TUE...N OF 20N W OF 60W S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. ELSEWHERE E TO SE WINDS 3 TO 5 FT. .WED...N OF 18N E OF 60W E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ELSEWHERE E TO SE WINDS 10 KT. SEAS 4 TO 5 FT. .THU...N OF 18N E TO SE WINDS 20 KT. SEAS 6 TO 7 FT. S OF 18N E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. $$ AMZ088-040330- SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS 530 PM EDT SAT SEP 03 2011 .SYNOPSIS...WEAK TROUGH FROM 31N70W TO 28N77W LIFT N OUT OF AREA TONIGHT AS HIGH PRES BUILDS FROM N CENTRAL ATLC TO BAHAMAS. HIGH PRES WEAKEN LATE SUN AS NOW TROPICAL STORM KATIA... INTENSIFIED BACK TO HURRICANE...APPROACHES SE PORTION MON... NEAR 26N65W EARLY TUE AND REACH 29.5N 69.0W WED BEFORE MOVING N OF AREA TO NEAR 31.5N 70.5W THU. $$ AMZ080-040330- SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 530 PM EDT SAT SEP 03 2011 ...HURRICANE CONDITIONS EXPECTED E OF 74W MON THROUGH WED... .TONIGHT...N OF 28N W OF TROUGH NE TO E WINDS 10 KT. SEAS 2 TO 3 FT. ELSEWHERE N OF 24N SE TO S WINDS 5 TO 10 KT. SEAS 6 TO 7 FT IN SE SWELL. S OF 24N SE WINDS 10 KT OR LESS. SEAS 5 TO 6 FT IN SE SWELL. SCATTERED TSTMS ALONG TROUGH. .SUN...E OF 72W SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN SE SWELL. W OF 72W E TO SE WINDS 10 KT. SEAS 3 TO 5 FT EXCEPT 2 FT W OF BAHAMAS. .SUN NIGHT...S OF 26N E OF 68W N TO NE WINDS 10 KT BECOMING NW TO N AT 20 KT LATE. SEAS 8 FT IN SE SWELL BUILD RAPIDLY TO 13 FT IN NE SWELL LATE. ELSEWHERE E OF 74W SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN SE SWELL. W OF 74W SE WINDS 10 KT. SEAS 4 TO 5 FT IN SE SWELL EXCEPT 1 FT W OF BAHAMAS. .MON AND MON NIGHT...E OF 70W N TO NE WINDS 10 TO 15 KT INCREASING TO 33 KT E OF 68W LATE EXCEPT INCREASING TO TROPICAL STORM AND HURRICANE FORCE WINDS WITHIN 135 NM OF CENTER OF KATIA. HIGHEST WINDS 70 GUSTS 85 KT. SEAS 7 TO 9 FT IN E SWELL BUILDING TO 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM AND HURRICANE FORCE WINDS. HIGHEST SEAS TO 34 FT. W OF 70W SE TO S WINDS 10 TO 15 KT EXCEPT TO 20 KT N OF 27N W OF 75W. SEAS 5 TO 6 FT EXCEPT 1 FT W OF BAHAMAS. NUMEROUS TSTMS E OF 68W NEAR KATIA. .TUE AND WED...TROPICAL STORM TO HURRICANE FORCE WINDS WITHIN 180 NM OF CENTER OF KATIA. HIGHEST WINDS 95 KT GUSTS 115 KT. SEAS 12 FT OR GREATER WITHIN 300 NM N AND 270 NM S SEMICIRCLES KATIA. HIGHEST SEAS TO 42 FT. ELSEWHERE N OF 24N E OF 75W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. N OF 24N W OF 75W NW TO N WINDS 15 TO 20 KT. SEAS 5 TO 8 FT EXCEPT 1 TO 2 FT W OF BAHAMAS. S OF 24N SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT EXCEPT 1 TO 2 FT W OF BAHAMAS. NUMEROUS TSTMS N OF 22N E OF 73W. .THU...N OF 29N E OF 75W SW TO W WINDS TO 33 KT DIMINISHING TO 25 KT LATE. SEAS 10 TO 15 FT SUBSIDING TO 9 FT LATE. ELSEWHERE N OF 27N SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. S OF 27N LIGHT AND VARIABLE WIND. SEAS 4 TO 5 FT IN N SWELL. $$ FORECASTER WALLY BARNES