Red tide is caused by a harmful algae bloom. It can bring respiratory problems and even fish kills in high concentrations.

The federal government renamed the Gulf, but local signs, maps and Marco Island's own website still show the old name.

Partly cloudy with a high of 89 °F (31.7 °C) and a 52% chance of precipitation. Winds variable at 9 to 12 mph (14.5 to 19.3 kph). Night - Mostly cloudy with a 48% chance of precipitation. Winds ...