486 WHUS76 KEKA 251809 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 1109 AM PDT Thu Oct 25 2018 PZZ470-260215- /O.CON.KEKA.SC.Y.0089.181025T1900Z-181026T0700Z/ Pt St George to Cape Mendocino 10 to 60 nm- 1109 AM PDT Thu Oct 25 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... * WAVES...W swell building to 10 ft at 13 seconds this afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that hazardous wave conditions will exist for small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. $$