Washington State Ferries has cancelled a dozen nighttime sailings on the Keystone-Port Townsend route this month because of low tides and ebb currents.

The cancellations in Keystone are the 9:15 p.m. sailings on Tuesday, Oct. 14; Wednesday, Oct. 15; Thursday, Oct. 16; Monday, Oct. 27; Tuesday, Oct. 28; and Wednesday, Oct. 29.

From Port Townsend, the cancellations are the 8:30 p.m. sailings on Oct. 14, Oct. 15, Oct. 16, Oct. 27; Oct. 28 and Oct. 29.