Tides Coos Bay, OR Estuary, Nov. 30Tides for the Coos Bay, OR Estuary, Thursday, Nov. 20, 2023 – High tide: 3:55 a.m., 6.42 ft.; Low tide: 8:49 a.m., 3.44 ft.; High tide: 2:35 p.m., 7.8 ft.; Low tide: 9:45 p.m., -0.48 ft.