MIAMI (AP) - Foul weather building in the Gulf of Mexico Sunday threatened to form Tropical Storm Harvey, and a hurricane watch was issued for Bermuda in anticipation of Hurricane Gert. With 130 mph winds, Gert was approaching Category 4 strength. A hurricane watch and a tropical storm warning were issued for Bermuda by the National Hurricane Center late Sunday. At 5 p.m. EDT, Gert was about 515 miles southeast of Bermuda, heading northwest at near 12 mph. Hurricane force winds extended outward 120 miles from the center. The National Hurricane Center also reported a tropical depression circulating off the southwest Florida coast with top sustained winds of 35 mph. Forecasters said they expect to post a tropical storm warning or watch for the northern and eastern Gulf Coast of Florida sometime Monday. At 5 p.m. EDT, the tropical depression was centered about 340 miles southwest of St. Petersburg. The storm system was drifting north at near three mph.