* WHAT. Increased risk of sneaker waves expected. * WHERE. San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast and Southern Monterey Bay and Big Sur Coast Counties. * WHEN. From Monday afternoon through late Monday night. * 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. * ADDITIONAL DETAILS. Northwest-facing beaches are most at risk for sneaker wave threat beginning Monday afternoon as long period northwest swell moves through the coastal waters.

* WHAT. Increased risk of sneaker waves expected. * WHERE. San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast and Southern Monterey Bay and Big Sur Coast Counties. * WHEN. From Monday afternoon through late Monday night. * 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. * ADDITIONAL DETAILS. Northwest-facing beaches are most at risk for sneaker wave threat beginning Monday afternoon as long period northwest swell moves through the coastal waters.