Washington State Ferries asks that travelers allow for extra time over the upcoming Labor Day holiday weekend.

The heaviest backups and overloading are anticipated 3 p.m. to 7 p.m. Friday, Aug. 31 on westbound routes.

Return traffic is anticipated to be heaviest Sunday, Sept. 2 afternoon and evening. Morning sailings on Labor Day, Sept. 3 will be heavy too as people head home to prepare their children for the first day of school.

Washington State Ferries will be providing the following service for this holiday:

- Anacortes/San Juan Islands: Regular weekday schedule

- Port Townsend/Keystone: Regular weekday schedule

- Mukilteo/Clinton: Regular weekday schedule

- Edmonds/Kingston: Regular weekday schedule

- Seattle/Bainbridge: Holiday schedule

- Seattle/Bremerton: Regular weekday schedule

- Fauntleroy/Vashon/Southworth: Holiday schedule

- Point Defiance/Tahlequah: Holiday schedule

- Seattle/Vashon Passenger-Only: Not in service on holiday

Waits and advance arrival recommendations vary by route. Travelers needing specific information can call the Washington State Ferries Information line at 1-888-808-7977 or check the web site at www.wsdot.wa.gov/ferries.