Large waves and dangerous surf conditions are expected this weekend with seas building up to 26 ft. Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Severe beach erosion may destroy coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. Sneaker waves can run up on the beach, lifting or rolling large heavy water soaked logs which can lead to serious injury or death.or drowning.
A High Surf Watch means that high surf may affect beaches, producing rip currents, sneaker waves and beach erosion. Stay well back from the water's edge and be alert for exceptionally high waves. Keep away from large logs on the beach. Water running up on the beach can lift or roll logs which can injure or kill someone caught in their path. Coastal flooding expected.Large and dangerous waves with breakers of 35 to 40 feet. This is in effect for Low lying areas near bays, sloughs, and the lower reaches of the coastal rivers along the north Oregon and central Oregon coast.
Major flooding, up to one foot above ground level, during high tides. Large debris and logs will likely be moved far onshore. Structures near the surf zone will likely be inundated by waves. Beach erosion is possible. The total tide at South Beach will be around 10 ft at 1210 PM this afternoon. The total tide at Astoria will be around 10.2 feet at 1 PM this afternoon. Similar conditions in the past have resulted in erosion in Neskowin, Yachats, and near the south jetty of the Columbia River in Clatsop county. Similar conditions have also resulted in flooding in Seaside, Cannon Beach, Neskowin, and Lincoln City.
A Coastal Flood Warning means that flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property.