Alertes en vigueur San Francisco

* WHAT...Large breaking waves between 14 to 19 ft alongsouthwest facing beaches and between 19 to 22 ft along wellexposed west facing beaches.* WHERE...San Francisco, Coastal North Bay Including Point ReyesNational Seashore, San Francisco Peninsula Coast and SouthernMonterey Bay and Big Sur Coast.* WHEN...Until 6 AM PST Friday.* IMPACTS...Dangerous swimming and surfing conditions andlocalized beach erosion. Large waves can sweep across thebeach without warning, pulling people into the sea from rocks,jetties and beaches. Sudden immersion in cold water can resultin cold water shock even for the most experienced swimmers.Cold water shock can result in dramatic changes in breathing,heart rate and blood pressure, greatly increasing the risk ofdrowning in rough open waters.

Inexperienced swimmers should remain out of the water due todangerous surf conditions.