* WHAT...Large breaking waves of 22 to 25 feet with sets up to 28 feet possible.
* WHERE...Coastal Del Norte, Northern Coastal Humboldt, Southwestern Humboldt and Coastal Mendocino Counties.
* WHEN...From noon today to 4 AM PST Monday. .
* IMPACTS...Dangerous surf conditions and localized beach erosion. Beachcombing is highly discouraged!.