Here are a few weather links I like using to get the scoop on what the gods are stirring
NDBC - Station FWYF1
Miami Beach, Florida (33139) Conditions & Forecast : Weather Underground
Florida Marine Weather, Buoy Reports, Swell & Wind Forecasts, Water Temperature | Buoyweather
weather.com - Boat and Beach Local Tides
these links direct you into Miami and surroundings, I pretty much reference them all since they could vary a bit. The second from top has a 5 day forecast that gives you wind, tempt, conditions