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Navigation Notice

The South Florida Water Management District is making a temporary change in operations for the S-310 Boat Lock in Clewiston beginning, Saturday, September 2, 2023 at 10:00 a.m. 

Operating Hours

  • The boat lock will be open daily from 5:30 a.m. - 9:00 p.m. for boaters to lock through the structure. 
  • The boat lock will close each night from 9:00 p.m. - 5:30 a.m. and boaters will not be able to lock through the structure. 

The South Florida Water Management District reopened all of its navigational locks for public access on Thursday, August 31, 2023 after Hurricane Idalia.

SFWMD-operated locks reopened under their normal operating hours: 

  • S-65A Boat Lock Opens at 7:00 a.m.
  • S-65 Boat Lock (Lake Kissimmee) Opens at 7:00 a.m.
  • S-61 Boat Lock (Cypress Lake and Lake Tohopekaliga) Opens at 7:00 a.m.
  • S-135 Boat Lock on Lake Okeechobee at the J&S Fish Camp in Martin County. Opens at 5:30 a.m.
  • G-36 Boat Lock, also known as the Henry Creek Boat Lock, on Lake Okeechobee. Opens at 5:30 a.m.

The public can get the latest navigation updates from the SFWMD by signing up for text messages and emails here.

Anglers and boaters may access local waterways from several access points through public boat ramps. Visit FWC’s Boat Ramp Finder to find one near you.

In addition, boaters should continue to exercise caution on Kissimmee Lake/Kissimmee River (C-38 Canal) due to high water levels. Boaters may encounter rapidly flowing water and submerged hazards. Boaters are advised not to navigate near the State Road 60 Bridge toward the S-65 structure. There are possible obstructions in the water including debris and floating vegetation. 

In addition, the S-69 Weir is a new water control structure within the restored Kissimmee River floodplain that delivers water downstream to the C-38 Canal. It is located within the river between U.S. 98 and the CSX Railroad Bridge. It is approximately 2,000 feet north of the CSX Railroad Bridge. (27°20'39.9"N 81°02'05.3"W)

All recreators are advised to remain at least 1,500 feet away from the weir at all times. To bypass the weir, recreators should stay in the main Kissimmee River Channel and not deviate from the existing channel. With high river levels, the S-69 Weir may be difficult to see on the Kissimmee River. There are fast water conditions upstream of the weir and large volumes of water can quickly pull watercraft towards the structure in a matter of seconds. Water flow can also pull watercraft/swimmers and drag them below the water with such force they cannot escape. 

The Kissimmee Chain of Lakes, Kissimmee River and Lake Okeechobee offer some of the best boating and fishing opportunities in Central and South Florida. Navigation locks throughout this interconnected system ensure that it is accessible by the public for recreation. 

Along the route, there are 11 locks maintained by the South Florida Water Management District and five maintained by the U.S. Army Corps of Engineers.

It takes about 15 minutes to lock through most structures. This service is free to boaters locking through during normal operating hours.

Navigation Lock Types

SFWMD Navigation Locks on Lake Okeechobee

The District operates five locks on the north shore of Lake Okeechobee and one (S-310) on the south shore near Clewiston. Below are normal operating hours for each lock.

Lock NumberLocationCountyHours

S-135 J&S Fish Camp Martin Oct. 1 - April 30: 5:30 a.m. to 8:30 p.m. 
May 1 - Sept. 30: 5:30 a.m. to 9 p.m.
G-36 Henry Creek Okeechobee Oct. 1 - April 30: 5:30 a.m. to 8 p.m. 
May 1 - Sept. 30: 5:30 a.m. to 9 p.m.
S-193 Taylor Creek Okeechobee Dec. 1 - April 30: 5:30 a.m. to 10:30 p.m. 
May 1 - Nov. 30: 5:30 a.m. to 9 p.m. 
July 4: 5:30 a.m. to 11 p.m.
S-127 Buckhead Ridge Glades Oct. 1 - April 30: 5:30 a.m. to 8 p.m. 
May 1 - Sept. 30: 5:30 a.m. to 9 p.m.
S-131 Lakeport Glades Oct. 1 - April 30: 5:30 a.m. to 8 p.m. 
May 1 - Sept. 30: 5:30 a.m. to 9 p.m.
S-310 Clewiston Hendry Oct. 1 - April 30: 5:30 a.m. to 8 p.m. 
May 1 - Sept. 30: 5:30 a.m. to 9 p.m.

A map with lock locations on Lake Okeechobee and instructions on how to move through the locks are in the Lake Okeechobee Scenic Trail & Okeechobee Waterway brochure. Use Frequency 16 on Lake Okeechobee for boating emergencies only.

Contacts:

  • For SFWMD lock operations, contact Advanced Design & Construction Corp., Lock Tender Division, at (863) 532-8042.

For more information:

SFWMD Navigation Locks on the Kissimmee Waterway

All SFWMD locks on the Kissimmee River and the Kissimmee Chain of Lakes are operated from 7 a.m. until 6 p.m. on weekdays year-round. Hours of operation on weekends are from 5:30 a.m. to 7:30 p.m. from March 1 through Oct. 31 and 5:30 a.m. to 6:30 p.m. from Nov. 1 through Feb. 28.

  • S-65E at Kissimmee River, Okeechobee/Glades County
  • S-65D in Okeechobee/Highlands County
  • S-65A in Osceola/Polk County
  • S-65 on Lake Kissimmee in Osceola/Polk County
  • S-61 on Cypress Lake and Lake Tohopekaliga in Osceola County

A map with lock locations is in the Guide to the Kissimmee Waterway brochure.

Contacts:

  • For SFWMD lock operations, contact Advanced Design & Construction Corp., Lock Tender Division, at (863) 532-8042.

U.S. Army Corps of Engineers Navigation Locks on the Okeechobee Waterway

The Okeechobee Waterway stretches 154 miles from the Atlantic Ocean at Stuart to the Gulf of Mexico at Fort Myers. The U.S. Army Corps of Engineers operates these five navigation locks on the waterway:

  • S-77, S-78 and S-79, Fort Myers to Moore Haven, Caloosahatchee River
  • S-80 and S-308, Port Mayaca to Stuart, St. Lucie River

The Corps posts information about Okeechobee Waterway navigation locks on its website. Navigation notices from the Corps are also available online.

Contacts:

  • For information about the Okeechobee Waterway, contact the U.S. Army Corps of Engineers, South Florida Operations Office, at (863) 983-8101.