000 FZNT23 KNHC 312123 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 WED AUG 31 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. AMZ089-010330- SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W 530 PM EDT WED AUG 31 2011 .SYNOPSIS...CENTRAL ATLC RIDGE NE OF AREA WEAKEN AND SHIFT E THU AND FRI ALLOWING TRADES TO DIMINISH. TROPICAL STORM KATIA IN FAR EASTERN ATLC FORECAST TO INTENSIFY INTO HURRICANE TONIGHT AND APPROACH TROPICAL N ATLC FRI THEN MOVE ACROSS ITS FAR NORTHERN WATERS LATE FRI NIGHT THROUGH EARLY MON. $$ AMZ082-010330- NW CARIBBEAN N OF 15N W OF 75W 530 PM EDT WED AUG 31 2011 .TONIGHT...S OF 18N E OF 81W E WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. ELSEWHERE SE WINDS WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. WINDS AND SEAS HIGHER NEAR SCATTERED TSTMS W OF 80W. ISOLATED SHOWERS AND TSTMS E OF 80W. .THU THROUGH FRI NIGHT...S OF 18N E TO SE WINDS 20 KT DIMINISHING TO 10 KT FRI AND FRI NIGHT. SEAS 4 TO 7 FT SUBSIDING TO 3 FT FRI. N OF 18N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED TSTMS FAR W PART. .SAT THROUGH MON...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. $$ AMZ084-010330- SW CARIBBEAN S OF 15N W OF 75W 530 PM EDT WED AUG 31 2011 .TONIGHT...N OF 12N E OF 80W NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. N OF 12N W OF 80W NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. S OF 12N NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN NE SWELL. SCATTERED TSTMS W OF 79W. .THU AND THU NIGHT...N OF 12N E OF 80W NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT SUBSIDING TO 4 FT THU NIGHT. N OF 12N W OF 80W NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN NE SWELL SUBSIDING TO 2 FT THU NIGHT. S OF 12N NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN NE SWELL. .FRI THROUGH MON...N OF 12N NE TO E WINDS 10 TO 15 KT EXCEPT E OF 66W BECOMING SE 5 TO 10 KT SAT AND SUN AND N TO NE 10 TO 15 KT FAR NE PORTION MON. SEAS 4 TO 6 FT SUBSIDING TO 2 FT SAT AND SUN. S OF 12N NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. $$ AMZ086-010330- E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS 530 PM EDT WED AUG 31 2011 .TONIGHT...S OF 16N W OF 68W NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. ELSEWHERE W OF 67W E WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. E OF 67W E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED TSTMS W OF 69W AND S OF 15N E OF 69W. .THU THROUGH FRI NIGHT...S OF 14N W OF 68W NE TO E WINDS 20 TO 25 KT DIMINISHING TO 15 KT THU NIGHT AND FRI. SEAS 6 TO 8 FT SUBSIDING TO 3 FT FRI. ELSEWHERE W OF 67W E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. E OF 67W E TO SE WINDS 10 TO 15 KT SHIFTING NE FRI. SEAS 3 TO 5 FT SUBSIDING TO 2 FT FRI. .SAT THROUGH MON...E TO SE WINDS 10 TO 15 KT SHIFTING SW NE PART MON. SEAS 3 TO 4 FT BUILDING TO 6 FT NE PART MON. $$ AMZ087-010330- TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 530 PM EDT WED AUG 31 2011 ...HURRICANE CONDITIONS EXPECTED N OF 16N E OF 61W FRI THROUGH MON... .TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...N OF 15N E TO SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN E SWELL. S OF 15N E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .FRI AND FRI NIGHT...TROPICAL STORM CONDITIONS AND SEAS BUILDING TO 12 FT OR GREATER EXPECTED N OF 16N E OF 56W EARLY FRI BECOMING HURRICANE CONDITIONS WITH SEAS 12 FT OR GREATER N OF 16N E OF 58W FRI NIGHT. ELSEWHERE N OF 14N E OF 59W N WINDS 10 TO 15 KT BECOMING NE TO 33 KT LATE FRI AND FRI NIGHT. SEAS 4 TO 7 FT BUILDING TO 12 FT LATE FRI. N OF 14N W OF 59W NE TO E WINDS 10 TO 15 KT SHIFTING NE LATE. SEAS 3 TO 5 FT BUILDING TO 7 FT FRI NIGHT. S OF 14N SE WINDS 5 TO 10 KT SHIFT S FRI NIGHT. SEAS 3 TO 5 FT. NUMEROUS SQUALLS AND TSTMS NE PART.. .SAT AND SUN...HURRICANE CONDITIONS EXPECTED N OF 17N E OF 60W WITH SEAS 12 FT OR GREATER. ELSEWHERE N OF 15N N WINDS 15 TO 20 KT INCREASING TO 33 KT LATE SAT AND SUN. SEAS 4 TO 7 FT BUILDING TO 12 FT LATE SAT. FROM 13N TO 15N E OF 57W SW WINDS 15 TO 20 KT. SEAS BUILDING TO 12 FT IN NE SWELL. ELSEWHERE W TO NW WINDS 10 TO 15 KT. SEAS 5 TO 8 FT IN NE SWELL EXCEPT FROM 12N TO 15N W OF 57W BUILDING TO 12 FT IN NE SWELL. NUMEROUS SQUALLS AND TSTMS N OF 14N. .MON...TROPICAL STORM CONDITIONS AND SEAS TO 12 FT OR GREATER EXPECTED N OF 18N EARLY DIMINISHING TO S TO SW WINDS AT 25 TO 33 KT LATE. FROM 14N TO 18N S TO SW 15 KT INCREASE TO 20 KT LATE. SEAS 6 TO 7 FT. S OF 14N SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. NUMEROUS SQUALLS N PART. $$ AMZ088-010330- SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS 530 PM EDT WED AUG 31 2011 .SYNOPSIS...A WEAK RIDGE FROM 28N65W TO S FLORIDA WILL RETREAT EASTWARD THROUGH FRI AS A WEAKENING FRONTAL TROUGH MOVES ACROSS N WATERS. HIGH PRES WILL REBUILD BEHIND THE TROUGH THROUGH EARLY SUN. TROPICAL STORM KATIA CURRENTLY IN THE FAR EASTERN ATLC IS FORECAST TO APPROACH THE FAR SE WATERS LATE SUN BRINGING INCREASING WINDS AND BUILDING SEAS IN LARGE SWELLS OVER THE FAR E WATERS. $$ AMZ080-010330- SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 530 PM EDT WED AUG 31 2011 .TONIGHT...N OF 27N W OF 72W NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. N OF 27N E OF 72W SW TO W WINDS 10 KT. SEAS 2 TO 3 FT. S OF 27N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT EXCEPT 2 FT W OF BAHAMAS. WINDS AND SEAS HIGHER IN AND NEAR SCATTERED SHOWERS AND ISOLATED TSTMS. .THU THROUGH FRI NIGHT...N OF 27N W OF 72W NE WINDS 10 KT. SEAS 4 TO 5 FT IN E SWELL. N OF 27N E OF 72W WINDS W TO SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. FROM 23N TO 27N SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT EXCEPT 2 FT W OF BAHAMAS. S OF 23N SE WINDS 10 TO 15 KT DIMINISHING TO 5 KT FRI NIGHT. SEAS 2 TO 3 FT. SCATTERED TSTMS S OF 27N. ISOLATED SHOWERS AND TSTMS N OF 27N. .SAT...N OF 27N W OF 74W NE TO E WINDS 10 KT. SEAS 4 TO 5 FT IN E SWELL. N OF 27N E OF 74W SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. S OF 27N E TO SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT EXCEPT 1 FT W OF BAHAMAS. .SUN...E OF 72W SE TO S WINDS 10 KT. SEAS 6 TO 7 FT IN SE SWELL. W OF 72W SE TO S WINDS 10 KT. SEAS 2 TO 4 FT EXCEPT 1 FT W OF BAHAMAS. .MON...E OF 70W NE WINDS 10 KT BECOMING N AT 20 KT LATE. SEAS 8 TO 9 FT IN E SWELL BUILDING RAPIDLY TO 15 FT IN NE SWELL. $$ FORECASTER WALLY BARNES