NewsKTLA 5 — CaliforniaOctober 24, 2026Los Angeles County
National Weather Service issues coastal flood warnings and advisories for Southern California
Photo: KTLA 5 — California
The National Weather Service issued coastal flood warnings and advisories across six Southern California counties due to exceptionally high tides expected to cause flooding, road closures, and beach erosion from Sunday through Thursday. Local cities are rushing to reinforce shorelines with sandbags, berms, and a beach restoration project, while Metrolink suspended a section of its Orange County Line.
Read the full story at KTLA 5 — CaliforniaWhy It Matters
Residents and property owners along the Southern California coast face potential home and business inundation, road closures, and structural damage, prompting emergency shoreline reinforcement and regional train suspensions.
Key Facts
- The National Weather Service issued coastal flood warnings for Orange and San Diego counties and advisories for Los Angeles, Ventura, Santa Barbara, and San Luis Obispo counties from 5 a.m. Sunday through 1 p.m. Thursday.
- Ocean levels could rise up to 1.7 feet above predicted tides in Orange and San Diego counties, with Los Angeles County tides expected to reach 7.5 to 8 feet.
- Eight structures encompassing 13 addresses on the Long Beach Peninsula have been red-tagged following weeks of destructive coastal conditions.
- Long Beach is advancing an $11.4 million beach restoration project to dredge 415,000 cubic yards of sand from Alamitos Bay, though completion is not expected until February.
- Seal Beach is building its seasonal sand berm earlier, taller, and wider than usual and positioning water pumps.
- Newport Beach is reinforcing the Balboa Peninsula with sand and relocating sediment from the Santa Ana River mouth.
- Metrolink suspended Orange County Line service between Laguna Niguel/Mission Viejo and Oceanside stations from Monday, Oct. 26, through Friday, Oct. 30, with normal service expected to resume Saturday, Oct. 31.
- Forecasters project water levels at Los Angeles Harbor reaching 7.7 feet Sunday, 8 feet Monday, 8.1 feet Tuesday, 8 feet Wednesday, and 7.8 feet Thursday.
- An emerging El Niño pattern raises the possibility of additional winter storms, with higher astronomical tides expected around Thanksgiving and Christmas.
Who's Mentioned
locationNewport Beach“City reinforcing Balboa Peninsula with sand”locationSan Diego County“Subject to coastal flood warnings”locationLaguna Niguel/Mission Viejo“Station on Metrolink Orange County Line”OrganizationMetrolink“Suspended Orange County Line service”locationAlamitos Bay“Entrance channel being dredged for sand”PersonCarlos Herrera“KTLA reporter”locationBalboa Peninsula“Area being reinforced with sand and sandbags”locationSanta Ana River“Source of sediment relocation to replenish eroded beaches”locationSanta Barbara“County subject to coastal flood advisories”locationOceanside“Station on Metrolink Orange County Line”locationLos Angeles Union Station“Continuing operational terminus for Metrolink”OrganizationNational Weather Service“Issued coastal flood warnings and advisories”locationSeal Beach“City accelerating construction of seasonal sand berm”locationOrange County“Subject to coastal flood warnings and transit suspensions”locationLong Beach Peninsula“Area with red-tagged structures and sand-moving operations”locationLos Angeles“County subject to coastal flood advisories”PersonJennifer McGraw“KTLA reporter”locationVentura“County subject to coastal flood advisories”locationLong Beach“Crews reinforcing shoreline and red-tagging structures”locationLos Angeles Harbor“Projected water level measurement location”locationSan Luis Obispo“County subject to coastal flood advisories”