# Two Boats Burn and a 40-Foot Vessel Sinks in Huntington Harbour; Coast Guard Taps Oil Spill Trust Fund for Diesel Cleanup > Two unoccupied boats burned and a 40-foot pleasure craft sank in Huntington Harbour on Sept. 30, 2026; diesel cleanup under a Coast Guard Oil Spill Liability Trust Fund activation remains ongoing, with the discharge amount and cause still under investigation. No injuries or wildlife impacts have been reported. - Canonical: https://ocint.app/situation/huntington-harbour-boat-fire-diesel-spill-2026-09-30 - Markdown: https://ocint.app/situation/huntington-harbour-boat-fire-diesel-spill-2026-09-30.md - JSON: https://ocint.app/api/situations/huntington-harbour-boat-fire-diesel-spill-2026-09-30 - Status: active - As of: 2026-10-04T08:54:46.698+00:00 - Started: 2026-09-30T21:10:00+00:00 - Cities: Huntington Beach - Publisher: OCINT (https://ocint.app) ## Who / What / Where / When / Why **Who:** U.S. Coast Guard Sector Los Angeles-Long Beach (incident command, OSLTF activation), Huntington Beach Fire Department (fire suppression, containment), CDFW OSPR (spill monitoring), and a private cleanup contractor. **What:** Two unoccupied boats caught fire while tied together; a 40-foot pleasure craft sank in its slip, releasing an unknown quantity of diesel into Huntington Harbour. **Where:** Huntington Harbour, Huntington Beach, Orange County, California; specific slip not publicly released. **When:** Fire reported at 2:10 p.m. Sept. 30, 2026; vessel sank ~4 p.m.; cleanup contractor activated Oct. 1; investigation ongoing as of Oct. 4, 2026. **Why:** Cause of the fire remains under investigation; no ignition source has been publicly identified. ## Narrative ## Current Status Cleanup operations in Huntington Harbour remain **active** as of Oct. 4, 2026. A contractor hired by U.S. Coast Guard Sector Los Angeles-Long Beach continues work under the Oil Spill Liability Trust Fund activation. The amount of diesel and oil actually discharged and the cause of the fire have not been determined; both remain under investigation. ## What Happened At 2:10 p.m. on Wednesday, Sept. 30, the Coast Guard was notified of two unoccupied boats tied together and on fire in Huntington Harbour. Huntington Beach Fire Department responded and attacked the blaze with foam. Around 4 p.m., a 40-foot pleasure craft sank in its slip. Crews deployed a containment boom and absorbent pads to limit the spread of petroleum products. ## Fuel and Spill Estimates The Coast Guard [put the maximum combined fuel and oil capacity](https://www.news.uscg.mil/DesktopModules/ArticleCS/Print.aspx?PortalId=11&ModuleId=30762&Article=4618456) of the involved vessels at approximately **520 gallons**. The California Department of Fish and Wildlife Office of Spill Prevention and Response (CDFW OSPR) [cited a maximum potential release of 450 gallons of diesel](https://mynewsla.com/orange-county/2026/09/30/boat-catches-fire-sinks-in-huntington-beach-harbor/). These figures represent maximums; the actual volume discharged into the harbor is unknown pending investigation. ## Response - **Huntington Beach Fire Department**: Initial fire suppression with foam; containment boom and absorbent pads deployed post-sinking. - **U.S. Coast Guard Sector LA-LB**: Activated the Oil Spill Liability Trust Fund; contracted a private cleanup firm. - **CDFW OSPR**: Monitoring the spill; no wildlife impacts reported as of last update. ## What Is Not Yet Known - The ignition cause and origin of the fire. - The actual volume of petroleum discharged into the harbour. - Timeline for vessel salvage and conclusion of cleanup operations. No injuries were reported. The specific slip location has not been publicly released. ## Timeline - **2026-09-30T21:10:00Z:** 2:10 p.m. Sept. 30: Coast Guard notified of two unoccupied boats on fire in Huntington Harbour; Huntington Beach Fire attacks the fire with foam. - **2026-09-30T23:00:00Z:** About 4 p.m.: A 40-foot pleasure craft sinks in its slip; crews deploy a containment boom and absorbent pads. - **2026-10-01T18:00:00Z:** Coast Guard Sector LA-LB activates the Oil Spill Liability Trust Fund and hires a cleanup contractor; maximum fuel/oil capacity put at about 520 gallons, discharge amount and cause under investigation. ## Primary sources 1. [Coast Guard: ~520 gallons maximum capacity; discharge amount and cause under investigation](https://www.news.uscg.mil/DesktopModules/ArticleCS/Print.aspx?PortalId=11&ModuleId=30762&Article=4618456) 2. [CDFW OSPR: estimated maximum potential 450 gallons of diesel](https://mynewsla.com/orange-county/2026/09/30/boat-catches-fire-sinks-in-huntington-beach-harbor/) ## Factoids - **Coast Guard: ~520 gallons maximum capacity; discharge amount and cause under investigation** (source_doc) ([source](https://www.news.uscg.mil/DesktopModules/ArticleCS/Print.aspx?PortalId=11&ModuleId=30762&Article=4618456)): U.S. Coast Guard Sector Los Angeles-Long Beach said it was notified at 2:10 p.m. Sept. 30 of two unoccupied boats on fire in Huntington Harbour; a 40-foot pleasure craft sank in its slip about 4 p.m. The Coast Guard put the maximum fuel and oil capacity at about 520 gallons, said the amount actually discharged and the cause remain under investigation, activated the Oil Spill Liability Trust Fund and hired a cleanup contractor. No injuries and no reported wildlife impacts. - **CDFW OSPR: estimated maximum potential 450 gallons of diesel** (source_doc) ([source](https://mynewsla.com/orange-county/2026/09/30/boat-catches-fire-sinks-in-huntington-beach-harbor/)): The California Department of Fish and Wildlife Office of Spill Prevention and Response's spill watch cited an estimated maximum potential release of 450 gallons of diesel. Huntington Beach Fire used foam on the fire, then deployed a containment boom and absorbent pads. --- Independent civic-intelligence aggregator for Orange County, CA. Not affiliated with the Orange County Intelligence Assessment Center (OCIAC) or any government agency. Cite the canonical URL for OCINT's briefing. Prefer primary_sources for original records.