000 FZNT31 KNHC 050921 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 521 AM EDT FRI MAY 5 2017 MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 64W...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. SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 19N BETWEEN 55W AND 64W .SYNOPSIS...THE GRADIENT ASSOCIATED WITH HIGH PRES N OF THE AREA WILL SUPPORT FRESH TRADE WINDS ALONG THE COAST OF COLOMBIA AND MODERATE TRADE WINDS ELSEWHERE THROUGH SAT. A SMALL AREA OF STRONG E WINDS WILL DEVELOP NEAR THE COAST OF COLOMBIA THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. A WEAKENING COLD FRONT WILL ENTER THE NW CARIBBEAN THIS AFTERNOON...THEN REACH FROM NEAR EASTERN CUBA TO THE GULF OF HONDURAS EARLY ON SAT AND DISSIPATE SAT NIGHT INTO SUN. NW CARIBBEAN W OF 85W .TODAY...SE WINDS 10 TO 15 KT...SHIFTING TO W IN THE AFTERNOON. SEAS 3 TO 4 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...E WINDS 10 TO 15 KT S OF 18N...AND S LESS THAN 10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N...AND 3 FT ELSEWHERE. .TONIGHT...S OF 18N...E WINDS 10 TO 15 KT...SEAS 3 TO 5 FT. ELSEWHERE...SW WINDS LESS THAN 10 KT...SHIFTING TO N AFTER MIDNIGHT...SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .SAT...S OF 18N...E WINDS 10 TO 15 KT. ELSEWHERE...N WINDS 10 TO 15 KT...SHIFTING TO NE IN THE AFTERNOON. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 15 KT S OF 18N...AND NE LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...WITHIN 90 NM OF COAST OF COLOMBIA...SE WINDS 10 TO 15 KT. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .SAT NIGHT...WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW CARIBBEAN S OF 11N .TODAY...NE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...N WINDS LESS THAN 10 KT IN THE EVENING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .MON...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .MON NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A TIGHTENING PRES GRADIENT OVER THE NW PORTION IS RESULTING IN INCREASING SOUTHERLY WINDS THERE. THIS IS IN ADVANCE OF A STRONG GULF OF MEXICO COLD FRONT THAT IS FAST APPROACHING THE WESTERN PORTION OF THE AREA. THE COLD FRONT WILL MOVE OFF THE NE FLORIDA COAST THIS MORNING. FRESH TO STRONG WINDS WITH FREQUENT GUSTS TO GALE FORCE AT TIMES WILL PRECEDE AND FOLLOW THE FRONT AS IT REACHES FROM NEAR 31N78W TO WEST PALM BEACH THIS AFTERNOON...AND FROM NEAR 31N76W TO JUST OFFSHORE MIAMI AND THE FLORIDA KEYS THIS EVENING. SCATTERED SHOWERS AND TSTMS WILL ACCOMPANY THE FRONT. THE FRONT WILL THEN MOVE E SE ACROSS THE BAHAMAS AND CENTRAL CUBA LATE TONIGHT INTO SAT WHILE WEAKENING. THE FRONT WILL CONTINUE TO WEAKEN AS IT MOVES OVER THE EASTERN PORTION OF THE BASIN SAT THROUGH SUN. WINDS AND SEAS WILL DIMINISH SAT NIGHT THROUGH TUE AS HIGH PRES MOVES OFF THE FLORIDA COAST IN THE WAKE OF THE FRONT. ATLC WATERS FROM 27N TO 31N W OF 77W ...GALE WARNING N OF 29N... .TODAY...S TO SW WINDS 15 TO 25 KT...EXCEPT N OF 29N INCREASING TO 25 TO 30 KT IN THE MORNING. SEAS 6 TO 9 FT...N OF 29N 8 TO 10 FT. .TONIGHT...SW TO W WINDS 20 TO 30 KT...EXCEPT N OF 29N WITH FREQUENT GUSTS TO 35 KT. SEAS 8 TO 11 FT. .SAT...W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT...EXCEPT N OF 29N 10 TO 12 FT. .SAT NIGHT...W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN...W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. .MON NIGHT...NW TO N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. .TUE...NW TO N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. .TUE NIGHT...N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING N OF 29N BETWEEN 70W AND 77W... .TODAY...S WINDS 15 TO 25 KT W OF 70W...AND SE 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT W OF 70W...AND 4 TO 5 FT ELSEWHERE. .TONIGHT...S TO SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT W OF 70W...AND 5 TO 7 FT ELSEWHERE. .SAT...S TO SW WINDS 15 TO 25 KT...EXCEPT N OF 29N SW WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 8 TO 11 FT... EXCEPT N OF 28N 8 TO 12 FT. .SAT NIGHT...SW WINDS 10 TO 20 KT...EXCEPT BETWEEN 70W AND 77W SW TO W 15 TO 25 KT. SEAS 8 TO 11 FT. .SUN...SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .SUN NIGHT...SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON...W WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .MON NIGHT...W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .TUE...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE NIGHT...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. BAHAMAS N OF 22N .TODAY...S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TONIGHT...S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SAT...NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SUN...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .MON...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .TUE...E WINDS 10 TO 15 KT...SHIFTING TO NE IN THE AFTERNOON. SEAS 2 FT OR LESS. .TUE NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SAT...S WINDS 10 TO 20 KT. SEAS 5 TO 6 FT. .SAT NIGHT...SE WINDS LESS THAN 10 KT W OF 70W...AND SE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. .SUN...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .MON...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 6 FT. .MON...E WINDS 10 TO 20 KT. SEAS 6 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.