MLG HAD TO BE VECTORED FOR BACK COURSE APCH TWICE DUE TO STRONG WIND AND POOR CTLR TECHNIQUE.

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POOR ATC RADAR VECTORS CAUSED A MISSED APCH AND MADE AN ALREADY STRESSED CTLR COMPLETELY OVERLOADED. PBI APCH VECTORED US TO A POS ABOUT 1.5 MI OUTSIDE THE FAF (KEACH) AND N OF THE COURSE. THERE WAS A SIGNIFICANT WIND FROM THE N (SURFACE 3512G27); AND THE ASSIGNED INTERCEPT HDG OF 290 DEGS WAS INSUFFICIENT TO INTERCEPT COURSE OUTSIDE THE FAF. WX AT THE TIME AT OUR POS WAS SOLID CLOUDS AND WE DID NOT HAVE EITHER THE SHORELINE OR THE ARPT IN SIGHT. WHEN WE INFORMED THE CTLR WE WERE AT THE FAF DISTANCE BUT WELL S OF COURSE CTLR ASKED IF WE COULD SEE THE ARPT. WHEN WE REPLIED; 'NO;' CTLR ASKED IF WE WANTED TO GET VECTORS AROUND AGAIN. WE SAID WE SAW NO OTHER ALTERNATIVE. CTLR ASSIGNED A HDG OF 280 DEGS WHICH WE READ BACK AND MAINTAINED (VIRTUALLY STRAIGHT AHEAD). THE F/O QUESTIONED THE HDG (TO ME); SO I TRIED TO ASK THE CTLR; BUT CTLR WAS SO BUSY I COULDN'T GET ON THE FREQ. FINALLY WE WERE SWITCHED TO A NEW CTLR ON A DIFFERENT AND LESS CONGESTED FREQ. UNFORTUNATELY CTLR GAVE US VECTORS TO APPROX THE SAME LOCATION AND AGAIN ASSIGNED HDG 290 DEGS TO INTERCEPT! THIS TIME WE SAW IT COMING; OR RATHER WE SAW IT (THE BACKCOURSE CENTERLINE) NOT COMING; AND SO; WE SLOWED OUR RATE OF TURN TO 290 DEGS. EVEN WITH OUR HELP WE WERE AT THE FAF WHEN THE BACKCOURSE CENTERLINE MADE ITS FIRST MOVEMENT OFF THE WALL WE WERE ABLE TO LAND FROM THAT APCH; AND I SUGGESTED TO TWR THEY SHOULD USE A MORE NORTHERLY INTERCEPT HDG IN VIEW OF THE WIND. CTLR WAS SO BUSY THE CTLR COULDN'T DO IT RIGHT THE FIRST TIME; SO THEY HAD TO TAKE TIME TO DO IT AGAIN. TELLING TO CONFIRM ANY QUESTIONABLE INSTRUCTION IS NO HELP IF THE CTLR IS TOO STRESSED TO LISTEN TO THE REQUEST FOR CONFIRMATION. THAT'S PROBABLY HOW CTLR MISSED THE READBACK!