In effect from Thursday, Dec 11 2025 10:00 AM - Thursday, Dec 11 2025 7:00 PM
Issued by NWS Eureka CA
What:
Increased threat of sneaker waves expected.
Where:
Coastal Del Norte, Northern Humboldt Coast,
Southwestern Humboldt and Mendocino Coast Counties.
When:
From 10 AM PST Thursday through Thursday 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.
Instructions: Don't be fooled by an ocean that looks calm. There can be
30 minutes of small waves before a sneaker wave strikes. Avoid
rocks and jetties. Avoid steep beaches. Stay much farther back
from the water and never turn your back on the ocean.
Areas Impacted:
Coastal Del Norte
Northern Humboldt Coast
Southwestern Humboldt
Mendocino Coast
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Beach Hazards Statement
In effect from Wednesday, Dec 10 2025 1:48 PM - Friday, Dec 12 2025 10:00 PM
Issued by NWS San Francisco CA
What:
Long period westerly swell will result in strong rip
currents, sneaker waves, and breaking waves of 12 to 16 feet.
Where:
Pacific Ocean coast.
When:
Through Friday evening.
Impacts:
Sneaker waves can unexpectedly run significantly
farther up the beach than normal, including over rocks and
jetties. Rip currents are typically stronger in the vicinity
of jetties, inlets, and piers.
Instructions: Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!
Areas Impacted:
San Francisco
Coastal North Bay Including Point Reyes National Seashore
