* WHAT...Large breaking waves 22 to 24 feet. * WHERE...Coastal Del Norte, Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From 7 AM this morning to 10 PM PST this evening. . * IMPACTS...Dangerous surf conditions and localized beach erosion. Beachcombing is highly discouraged!. * ADDITIONAL DETAILS...The large surf on Sunday will coincide with high astronomical tides and high tidal anomalies. This will allow significant runup onto area beaches and may impact normally dry land or even roads or parking lots.

* WHAT...For the High Surf Advisory, large breaking waves 22 to 24 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.7 and 8.9 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...For the High Surf Advisory, from 7 AM this morning to 10 PM PST this evening. For the Coastal Flood Advisory, from 10 AM this morning to noon PST today. High tide is at 10:21 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Dangerous surf conditions and localized beach erosion. Beachcombing is highly discouraged!. * ADDITIONAL DETAILS...The large surf on Sunday will coincide with high astronomical tides and high tidal anomalies. This will allow significant runup onto area beaches and may impact normally dry land or even roads or parking lots.