Looks like they're using the Tampa splashdown site, going by the effective times on the TFRs. The other Gulf TFRs are valid several hours later on Tuesday morning, and there are no pending Atlantic TFRs.
Dragon is on track to splash down off the coast of Florida in one hour at ~1:40 a.m. ET on Tuesday, April 30
Dragon’s deorbit burn is complete and its nosecone is closed. Splashdown in ~35 minutes off the coast of Florida
Drogues deployed
Dragon’s four main parachutes have deployed
Splashdown of Dragon confirmed, completing SpaceX’s 30th Commercial Resupply Services mission to the @space_station!
Once Dragon has been retrieved by SpaceX’s recovery team, the critical science aboard the spacecraft will be transported via helicopter to @NASAKennedy and provided to researchers
The Dragon CRS-30 trunk section, jettisoned into orbit on Apr 30, reentered over Saudi Arabia at 0023 UTC May 13. Debris likely fell in the desert aong a track 100 km west of Riyadh.