000 FZNT31 KNHC 250905 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 505 AM EDT WED APR 25 2012 MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 64W...THE SW N ATLC 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. SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 19N BETWEEN 55W AND 64W .SYNOPSIS...A TROUGH FROM HISPANIOLA TO COLOMBIA WILL MOVE W AND EXTEND FROM THE WINDWARD PASSAGE TO 13N76W BY LATE TONIGHT...FROM EASTERN CUBA TO 13N80W BY THU NIGHT...THEN BEGIN TO WEAKEN AS IT REACHES FROM CENTRAL CUBA TO 13N82W FRI...AND FROM WESTERN CUBA TO THE NORTHERN WATER OF THE NW CARIBBEAN SAT. HIGH PRES WILL BUILD N OF THE AREA OVER THE WESTERN ATLC...ALLOWING FOR WINDS TO INCREASE FROM E OF THE WINDWARD ISLANDS THROUGH THE CENTRAL CARIBBEAN THROUGH SUN. NW CARIBBEAN W OF 85W .TODAY...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .TODAY...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. .THU AND THU NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .FRI THROUGH SUN...NE TO E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. SW CARIBBEAN S OF 11N .TODAY...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU AND THU NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A NEARLY STATIONARY FRONT FROM 26N65W TO 19N69W WILL GRADUALLY DISSIPATE THROUGH EARLY FRI. THE SOUTHERN PORTION WILL WEAKEN TO A TROUGH THAT MOVES BACK W ACROSS THE SOUTHERN WATERS REACHING FROM THE SE BAHAMAS TO EASTERN CUBA THU...FROM CENTRAL BAHAMAS TO CENTRAL CUBA FRI...AND FROM VICINITY WESTERN BAHAMAS TO WESTERN CUBA SAT AND SUN. HIGH PRES OVER THE EASTERN GULF OF MEXICO WILL SHIFT E TO WESTERN PORTION TODAY...AND TO THE FAR NE PORTION BY LATE TONIGHT. BY THU A RIDGE WILL EXTEND FROM NEAR BERMUDA TO CENTRAL FLORIDA. THE RIDGE WILL SHIFT N TO 29N SAT AND TO 30N SUN. A TIGHTENING PRES GRADIENT BETWEEN THE RIDGE AND TROUGH WILL ALLOW FOR INCREASING WINDS OVER THE SOUTHERN PORTION THROUGH THE PERIOD. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...S WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .FRI THROUGH SUN...SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .TONIGHT...NW WINDS 10 KT. SEAS 5 TO 7 FT. .THU AND THU NIGHT...SE TO S WINDS 10 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. BAHAMAS N OF 22N .TODAY...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...E TO SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS S 0F 22N W OF 65W .TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .THU AND THU NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.