A high-surf and a coastal flood advisory will be in effect Friday through Monday at San Diego County beaches, with large breaking waves up to 12 feet and some expected minor flooding, forecasters said. Advisories Both advisories will be in effect until 2 a.m. Monday and include warnings of dangerous swimming and surfing conditions, beach erosion and minor tidal overflow during morning high tides at low-lying coastal areas such as beach parking lots and walkways. On Friday morning, the Coronado Police Department closed the boardwalk behind Hotel Del Coronado at 1500 Orange Ave. for an undetermined amount of time due to high tides. The San Diego Fire Department on Friday also closed Mission Bay Channel due to high surf until Monday, advising boaters the alternate option is San Diego Bay. SDFD added that San Diego lifeguards will be periodically advising boaters on surf conditions via VHF channel 16. MORE: https://www.cbs8.com/article/news/local/high-surf-warning-waves-expected-in-san-diego/509-11fb5b4c-5291-44cb-92c9-4052e2a1d39b