Alert archive / California / Beach Hazards Statements in 2025
Beach Hazards Statement 16, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Oct 19, 2025, 10:53 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Oct 19, 2025, 8:00 PM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Oct 19, 2025, 10:53 AM PDT (17:53 UTC)
- In effect from
- Oct 19, 2025, 8:00 PM PDT
- Expired
- Oct 20, 2025, 10:00 AM PDT
- In force
- 14 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 17:58 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
Oakland, CA (KOAK), launched 12:00Z, 5.9 hours before the alert went out and 349 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
- 1560 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
077 WHUS46 KEKA 191753 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1053 AM PDT Sun Oct 19 2025 CAZ101-103-104-109-201700- /O.NEW.KEKA.BH.S.0016.251020T0300Z-251020T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1053 AM PDT Sun Oct 19 2025 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 PM PDT THIS EVENING THROUGH MONDAY MORNING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From 8 PM PDT this evening through Monday 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. * ADDITIONAL DETAILS...A large long period NW swell will build this evening and peak overnight. Above normal breakers from 16 to 20 feet on west and northwest facing beaches will be possible this evening through early Monday morning. 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. && $$
2 follow-up statements
851 WHUS46 KEKA 200524 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1024 PM PDT Sun Oct 19 2025 CAZ101-103-104-109-201700- /O.EXT.KEKA.BH.S.0016.000000T0000Z-251020T1700Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1024 PM PDT Sun Oct 19 2025 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 10 AM PDT MONDAY... * WHAT...Increased threat of sneaker waves and enhanced surf up to 22 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 10 AM PDT Monday. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. * ADDITIONAL DETAILS...A large long period NW swell will build this evening and peak overnight. Above normal breakers from 16 to 20 feet on west and northwest facing beaches will be possible this evening through early Monday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
257 WHUS46 KEKA 201646 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 946 AM PDT Mon Oct 20 2025 CAZ101-103-104-109-201800- /O.EXP.KEKA.BH.S.0016.000000T0000Z-251020T1700Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 946 AM PDT Mon Oct 20 2025 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 AM PDT THIS MORNING... Risk for sneaker waves has diminished this morning. Above average surf is still expected through the day. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 10:45 PM PDT | Small Craft Advisory | EKA | 4 days | |
| Oct 19, 4:39 PM PDT | Frost Advisory | EKA | Trinity | 17 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.