* WHAT...Hazardously strong coastal winds and jets will lead to blowing and drifting sand, wind waves up to 20 ft, and result in poor visibility along coastal beaches. * WHERE...Beaches along the Pacific Coast. * WHEN...From 4 PM PST this afternoon through late tonight. * IMPACTS...Dangerous coastal and near coastal conditions. Water rescues may be affected by poor visibility from sea spray and blowing sand. Potential for increased erosion.

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * WHEN...From 10 AM PST this morning through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A series of atmospheric rivers will result in multiple rounds of moderate to heavy rainfall this week across the Bay Area and Central Coast. An additional 2-4" of rain is expected across the interior with locally higher totals between 4-6" across the Santa Cruz Mountains and up to 8" across the Santa Lucia Range. Flooding potential will increase with each successive round of rain. Sharp rises in smaller creeks and streams are expected with at least some potential for minor flooding in mainstream rivers. - http://www.weather.gov/safety/flood

* WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...The Salinas and Carmel Valleys and Hollister Area, Northern Monterey Bay, and San Francisco. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Damaging winds could down trees, snap power lines, and result in property damage. Widespread power outages are possible. Travel could be extremely difficult and hazardous, especially for high profile vehicles.