The areas affected include... Straits of Florida from Craig Key to Halfmoon Shoal 20 to 60 nm out...
At 1113 PM EDT, National Weather Service meteorologists detected a a strong thunderstorm, capable of producing wind gusts near 30 knots. This thunderstorm was located 22 nm southwest of Marathon Humps, moving southwest at 10 knots.
The strong thunderstorm will remain over mainly open waters.