Winter (manatee-related) boat speed zone changes by county:
Brevard County:
Nov. 15 - March 31
• No-entry and motorboats-prohibited zones - North Indian River area around discharge canals of the Reliant Corp. Power Plant and Florida Power & Light's Frontenac Power Plant.
• Idle-speed zone - West of Intracoastal Waterway in general vicinity of power plants.
Broward County:
Nov. 15 - March 31
• Idle speed - Port Everglades Power Plant area, including part of the discharge canal. Portions of the South New River Canal and Dania Cut-off Canal near the Lauderdale Power Plant.
• Slow speed - Intracoastal Waterway from the Palm Beach County line through Hillsboro Inlet south to Burnham Point. (Note: some portions are weekend-only slow speed.)
Citrus County:
• Lower (western) portions of the Withlacoochee River and Bennetts Creek: Sept. 1 - Feb. 28 - 25 mph.
• Lower (western) portions of the Chassahowitzka River: Sept. 1 - March 31 - 25 mph.
• Portions of Kings Bay: Sept. 1 - April 30 - Idle speed or slow speed.
• Portions of the Homosassa River between the Salt River and Trade Winds Marina and southern portion of Halls River: Oct. 1 - April 30 - Slow speed.
• All waters in the vicinity of the Florida Power Corp.'s effluent canal: Nov. 15 - April 30 - Slow speed.
• Within the Blue Waters area of the upper Homosassa River near Homosassa Springs Wildlife State Park: Nov. 15 - March 31 - No entry.
Dade County:
Nov. 15 - April 30
• No entry - Portions of the Biscayne Canal, Little River and Coral Gables Canal.
• Slow speed - Within portions of Meloy (or East) Channel and portions of the Intracoastal Waterway in Dumfoundling Bay and Biscayne Bay between Broad Causeway and Venetian Causeway.
Hillsborough County:
Nov. 15 - March 31
• No entry - Portions of the discharge canal of the TECO Power Plant in Apollo Beach.
• Idle speed - General vicinity of the TECO Power Plant in Apollo Beach.
Indian River County:
• Within Sand and Shell islands area, Channel Marker 66 south to Channel Marker 75; Indian River area from Hobert Lodge Marina to North Canal; and from Channel Marker 156 south to St. Lucie County line west of the Intracoastal Waterway: Nov. 1 - April 30 - Slow speed.
• Portion of canal system adjacent to Vero Beach Power Plant: Nov. 15 - March 31 - No entry.
Lee County:
Nov. 15 - March 31
• No entry - Discharge and intake canals of the Florida Power & Light Tice Power Plant.
• Idle speed and slow speed - Portions of the Intracoastal Waterway channel on the Caloosahatchee River in the vicinity of the Tice Power Plant.
• 25 mph - Portions of Estero Bay, Hurricane Bay, Hell Peckney Bay and Hendry Creek.
• Seasonally unregulated - Cayo Costa, North Captiva, Captiva and St. James City areas.
Levy County:
• Year-round no-entry zone - Manatee Springs State Park (manatee protection).
Palm Beach County:
Nov. 15 - March 31
• Motorboats prohibited - Within general vicinity of Florida Power & Light Riviera Beach Power Plant discharge canals.
• Slow speed - Outside the main channel in the Loxahatchee River, and in the north and southwest forks of the Loxahatchee River.
• Idle-speed and slow-speed zones - Look for shore-to-shore speed zone changes north and south of Peanut Island near the Florida Power & Light Riviera Beach Power Plant.
• 25 mph - Portions of the Intracoastal Waterway channel between State Road 706 and Lake Worth, and south of Lake Worth to Broward County.
Oct. 1 - May 31
• 25 mph - Portions of the Intracoastal Waterway channel between State Road 706 and Lake Worth, and south of Lake Worth to Broward County.
Sarasota County:
Nov. 15 - March 15
• No entry - Portion of Salt Creek and Warm Mineral Springs north of U.S. 41.
St. Lucie County:
• Within Moore's Creek: Nov. 15 - March 31 - Motorboats prohibited.
• Within Garfield Cut/Fish House Cove area: Nov. 15 - April 15 - Slow speed.
• Within Intracoastal Waterway channel between North Beach Causeway south to Channel Marker 189 and within the Shark Cut Channel in the Fort Pierce Inlet area: Nov. 15 - April 30 - Slow speed.
Volusia County:
Sept. 1 - March 31
• 25 mph - Portions of the Tomoka River and Spruce Creek.
Oct. 15 - April 15:
• Blue Spring Run - Motorboats prohibited.
• St. Johns River, south of Lake Beresford to Channel Marker 67 - Slow speed.