Tides for the Coos Bay, OR Estuary for Monday, March 18, 2024 – Low tide: :32 a.m., 3.67 ft.; High tide: 8:35 a.m., 6.62 ft.; Low tide: 4:05 p.m., 0.66 ft.; High tide: 11:16 p.m., 5.41 ft.