The CBS12 News team is providing updates throughout the day as Isaias begins to impact the Florida coast.
In Okeechobee County, where shelters will open later in the day, officials are urging residents to use shelters as a last resort.
St. Lucie County officials say they will not issue any evacuation orders and reiterate that shelters will not be opening. Officials there ask residents to remain in their homes, avoid trimming any trees and to stay away from beaches. Although county officials say beaches are not closed, they have pulled lifeguards away from the areas for safety reasons and highly discourage people to be out and about on the beaches.
"After the storm you can't let your guard down," said County Director of Communications Erick Gill.
The Town of Jupiter has suspended solid waste collection and Town staff is ready to respond to roadway debris or clogged drainage, officials say.
Despite the outer bands of Tropical Storm Isaias being felt in parts of Florida, some people took to the ocean to experience the waves and get some sun before the impact from the storm worsens later this evening.
Shelters in Indian River County opened at 2 p.m.
Palm Beach County ordered the opening of four school-based shelters as well as a special needs shelter and a pet shelter for animals only.
St. Lucie County has declared a State of Emergency. The county said there are no plans to open shelters or issue evacuations but urge residents to shelter in place. The County's Public Information Lines are open until 6 p.m. Saturday and will reopen on Sunday from 8 a.m. to 6 p.m. That number is 772-460-4357.
Tri-Rail will remain suspended on Sunday, August 2. Service will resume on Monday, August 3.
At 5 p.m., the City of Fort Pierce today declared a local state of emergency. It will be in place for seven days.
Isaias has been downgraded to a Tropical Storm as of 5 p.m.
Gov. Ron DeSantis cautioned Floridians to remain on guard after Isaias was downgraded from a hurricane to a tropical storm Saturday afternoon.
The Roosevelt Bridge in Stuart will close at 9 p.m. to allow law enforcement to seek shelter. The bridge will reopen Sunday when winds die down.
The terminal building at Palm Beach International is closed.