Alert archive / California / Beach Hazards Statements in 2025
Beach Hazards Statement 8, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Mar 7, 2025, 12:23 PM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Mar 8, 2025, 4:00 AM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Mar 7, 2025, 12:23 PM PST (20:23 UTC)
- In effect from
- Mar 8, 2025, 4:00 AM PST
- Expired
- Mar 8, 2025, 3:00 PM PST
- In force
- 11 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 210 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
417 WHUS46 KEKA 072023 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1223 PM PST Fri Mar 7 2025 CAZ101-103-104-109-080430- /O.NEW.KEKA.BH.S.0008.250308T1200Z-250308T2300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1223 PM PST Fri Mar 7 2025 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From late tonight through Saturday afternoon. * 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. && $$
3 follow-up statements
713 WHUS46 KEKA 072252 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 252 PM PST Fri Mar 7 2025 CAZ101-103-104-109-081100- /O.CON.KEKA.BH.S.0008.250308T1200Z-250308T2300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 252 PM PST Fri Mar 7 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From late tonight through Saturday afternoon. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
124 WHUS46 KEKA 081521 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 721 AM PST Sat Mar 8 2025 CAZ101-103-104-109-082300- /O.CON.KEKA.BH.S.0008.000000T0000Z-250308T2300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 721 AM PST Sat Mar 8 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 3 PM PST this afternoon. . * 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. && $$
204 WHUS46 KEKA 082246 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 246 PM PST Sat Mar 8 2025 CAZ101-103-104-109-090000- /O.EXP.KEKA.BH.S.0008.000000T0000Z-250308T2300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 246 PM PST Sat Mar 8 2025 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 3 PM PST THIS AFTERNOON... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 8:26 PM PST | Hazardous Seas Warning | EKA | 7 hr | |
| Mar 7, 2:49 AM PST | Small Craft Advisory | EKA | 12 hr | |
| Mar 7, 10:45 AM PST | Frost Advisory | EKA | Lake, Mendocino | 22 hr |
| Mar 7, 2:51 PM PST | Small Craft Advisory | EKA | 12 hr |
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.