High Surf Advisory issued December 20 at 1:52AM PST until December 23 at 10:00PM PST by NWS Portland OR

* WHAT…Large waves and hazardous surf conditions. Breakers up to
25 to 30 feet.

* WHERE…North and Central Coast of Oregon, and South
Washington Coast.

* WHEN…From 7 AM Saturday to 10 PM PST Monday.

* IMPACTS…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. Minor beach erosion
may damage coastal properties and buildings. Higher than normal
water run-up is expected on beaches and low-lying shoreline.
Enhanced possibility for sneaker waves.

* ADDITIONAL DETAILS…The largest breakers during this period are
expected on Monday associated with the arrival of an energetic
westerly swell.