Many areas are forecast to see dangerous storm surges, especially between Panama City and Tampa. The coast stretching from Ochlockonee River to Chassahowitzka could see between 10 and 15 feet of water. Nearby areas could see between 5 and 10 feet of water, and the Tampa Bay area is forecast to experience between 5 and 8 feet of storm surge.

Tropical Storm Helene has formed over the northwestern Caribbean Sea , according to the National Hurricane Center. Models show it could make landfall as a major hurricane in the Big Bend area.

Tropical Storm Helene formed Tuesday in the Caribbean Sea and could strengthen into a major hurricane while moving north toward the U.S., forecasters said. Heavy rains and big waves already lashed the Cayman Islands, and some Florida residents filled sandbags days ahead of anticipated flooding.