Editor's note: This story has been updated with new information. Red tide has reached the Florida Keys, and counts in Southwest Florida waters have been deadly recently as scientists measured more ...

Red tide is present from Tampa Bay south to Everglades National Park, with levels varying from normal, background concentrations to levels that are deadly for fish, birds, sea turtles and marine ...

Here's what to know. According to a USA TODAY network database, there are reports of low red tide from St. Petersburg to Fort Myers as of Thursday, Jan. 2. There is also a report of high levels of red ...