Alert archive / California / Beach Hazards Statements in 2025
Beach Hazards Statement 13, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Sep 11, 2025, 8:18 PM PDT for Del Norte County, Humboldt County, California. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 11, 2025, 8:18 PM PDT (03:18 UTC)
- Expired
- Sep 12, 2025, 10:00 AM PDT
- In force
- 14 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 86 km from the middle of the area, began a volume at 03:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 3.3 hours before the alert went out and 158 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 53 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1624 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
670 WHUS46 KEKA 120318 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 818 PM PDT Thu Sep 11 2025 CAZ101-103-104-121130- /O.NEW.KEKA.BH.S.0013.250912T0318Z-250912T1500Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 818 PM PDT Thu Sep 11 2025 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 AM PDT FRIDAY... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 8 AM PDT Friday. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
3 follow-up statements
094 WHUS46 KEKA 121002 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 302 AM PDT Fri Sep 12 2025 CAZ101-103-104-121500- /O.CON.KEKA.BH.S.0013.000000T0000Z-250912T1500Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 302 AM PDT Fri Sep 12 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING... * WHAT...Moderate threat of sneaker waves. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 8 AM PDT Friday. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
269 WHUS46 KEKA 121451 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 751 AM PDT Fri Sep 12 2025 CAZ101-103-104-121700- /O.EXT.KEKA.BH.S.0013.000000T0000Z-250912T1700Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 751 AM PDT Fri Sep 12 2025 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 10 AM PDT THIS MORNING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 10 AM PDT this morning. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
576 WHUS46 KEKA 121657 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 957 AM PDT Fri Sep 12 2025 CAZ101-103-104-121800- /O.EXP.KEKA.BH.S.0013.000000T0000Z-250912T1700Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 957 AM PDT Fri Sep 12 2025 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 AM PDT THIS MORNING... $$
Nearby
Beach Hazards Statements in California, 2025Every beach hazards statement in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.