Residents and beachgoers are being warned about the dangers of a massive swell that is expected to reach its peak along the Southern California coastline Thursday. Jacqueline Sarkissian reports for the KTLA 5 News on Dec. 28, 2023. https://ktla.com/news/local-news/massive-surf-to-peak-along-southern-california-coast-thursday/ KTLA 5 News - Keeping Southern Californians informed since 1947.