From the 12Z 25OCT11, GFS model run.
Forecast hour; MM/DD;GMT;Temp;Dew Point;Wind Direction;Wind Speed(kts)

Key West onset of Tropical Storm force winds:
78 10/28 18Z 2pm Friday afternoon 81 75 from 168deg 36kts
Peak Winds:
81 10/28 21Z 5pm Friday afternoon 80 75 from 197deg 43kts

Ft Myers onset of breezy conditions:
78 10/28 18Z 2pm Friday afternoon 79 72 from 072deg 14kts
Peak Winds:
87 10/29 03Z 11pm Friday night 73 71 from 019deg 25kts

Miami onset of breezy conditions:
78 10/28 18Z 2pm Friday afternoon 83 74 from 138deg 12kts
Peak Winds:
90 10/29 06Z 2am!! Saturday Morning 79 74 from 176deg 33kts

Palm Beach onset of breezy conditions:
78 10/28 18Z 2pm Friday afternoon 80 73 from 090deg 10kts
Peak Winds:
96 10/29 12Z 8am!! Saturday morning 76 73 from 347deg 28kts