High Surf Advisory issued December 18 at 4:32AM PST until December 18 at 5:00PM PST by NWS

…A large WNW swell will continue to impact the coast through late Tuesday… The very large, very long period WNW swell that arrived late Sunday has decreased both in terms of period and overall wave height but will remain large enough to be a coastal hazard through the day Tuesday. A high surf advisory is in effect through 5 PM