The National Oceanic and Atmospheric Administration (NOAA) forecasts elevated surf and "King Tide" conditions through Friday.
A high surf advisory issued by the National Weather Service will be in effect until 3 a.m. Saturday for Los Angeles and Ventura County beaches. A coastal flood advisory will be in effect until Friday afternoon.
Large 8-foot waves are expected in L.A. County while 12-foot waves are possible in Ventura County.
Residents living along the coast are urged to keep an eye out for flooding in the morning hours, specifically between 6 a.m. and noon.
The areas that are most likely to be impacted including west-facing shores, Oceano Dunes/Pismo, Ventura, Oxnard, Zuma Beach and Marina Del Rey.
NOAA hasn't issued a coastal flood advisory but a beach hazard statement is in place.
The Seal Beach Police Department said winter sand berm construction started Wednesday and said that the 1st Street mini-berm is already in place.
Sandbag stations in Seal Beach are stocked and available at the 8th Street Beach Lot and the OCFA Fire Station #44 (Central & 8th).