* WHAT…Increased threat of sneaker waves expected with
infrequent wave run up of up to 20 ft on beaches.
* WHERE…Beaches in Del Norte, Humboldt, and Mendocino Counties.
* WHEN…Through Tuesday evening.
* IMPACTS…Large, unexpected waves can sweep across the beach
without warning, sweeping people into the sea from rocks,
jetties, and beaches. These sneaker waves can also move large
objects such as logs, crushing anyone caught underneath.