Alert archive / California / Beach Hazards Statements in 2026
Beach Hazards Statement 11, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Sep 3, 2026, 3:22 PM PDT for Humboldt County, Mendocino County, California. It took effect at Sep 5, 2026, 5:00 AM PDT. It was in force for 66 hr.
The area
The counties it named.
The facts
- Issued
- Sep 3, 2026, 3:22 PM PDT (22:22 UTC)
- In effect from
- Sep 5, 2026, 5:00 AM PDT
- Expired
- Sep 7, 2026, 11:00 PM PDT
- In force
- 66 hr
- Issued by
- NWS Eureka, CA
Counties Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 71 km from the middle of the area, began a volume at 22:23 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, 10.4 hours before the alert went out and 290 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
- 569 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
956 WHUS46 KEKA 032222 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 322 PM PDT Thu Sep 3 2026 CAZ104-109-040630- /O.NEW.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 322 PM PDT Thu Sep 3 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE FRIDAY NIGHT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected as a southerly swell impacts the coastline over the holiday weekend. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From late Friday night through Monday evening. * 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. && $$
11 follow-up statements
034 WHUS46 KEKA 040626 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1126 PM PDT Thu Sep 3 2026 CAZ104-109-052300- /O.CON.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 1126 PM PDT Thu Sep 3 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From late Friday night through Monday evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
980 WHUS46 KEKA 041749 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1049 AM PDT Fri Sep 4 2026 CAZ104-109-050200- /O.CON.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 1049 AM PDT Fri Sep 4 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties; especially for southern facing beaches. * WHEN...From late tonight through Monday evening. . * 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. && $$
625 WHUS46 KEKA 042144 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 244 PM PDT Fri Sep 4 2026 CAZ104-109-050545- /O.CON.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 244 PM PDT Fri Sep 4 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From late tonight through Monday evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
145 WHUS46 KEKA 050441 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 941 PM PDT Fri Sep 4 2026 CAZ104-109-051245- /O.CON.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 941 PM PDT Fri Sep 4 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PDT SATURDAY THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From 5 AM PDT Saturday through Monday evening. . * 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. && $$
241 WHUS46 KEKA 051007 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 307 AM PDT Sat Sep 5 2026 CAZ104-109-052200- /O.CON.KEKA.BH.S.0011.260905T1200Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 307 AM PDT Sat Sep 5 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through Monday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
584 WHUS46 KEKA 051541 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 841 AM PDT Sat Sep 5 2026 CAZ104-109-052345- /O.CON.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 841 AM PDT Sat Sep 5 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties, especially for south-facing beaches including the Lost Coast Trail. * WHEN...Through Monday evening. * 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. && $$
231 WHUS46 KEKA 060932 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 232 AM PDT Sun Sep 6 2026 CAZ104-109-062100- /O.CON.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 232 AM PDT Sun Sep 6 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through Monday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
941 WHUS46 KEKA 062204 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 304 PM PDT Sun Sep 6 2026 CAZ104-109-070615- /O.CON.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 304 PM PDT Sun Sep 6 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through Monday evening. . * 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. && $$
509 WHUS46 KEKA 070346 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 846 PM PDT Sun Sep 6 2026 CAZ104-109-071800- /O.CON.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 846 PM PDT Sun Sep 6 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through Monday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
585 WHUS46 KEKA 071010 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 310 AM PDT Mon Sep 7 2026 CAZ104-109-080600- /O.CON.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 310 AM PDT Mon Sep 7 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through this evening. . * 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. && $$
535 WHUS46 KEKA 080540 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1040 PM PDT Mon Sep 7 2026 CAZ104-109-080645- /O.EXP.KEKA.BH.S.0011.000000T0000Z-260908T0600Z/ Southwestern Humboldt-Coastal Mendocino- 1040 PM PDT Mon Sep 7 2026 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 PM PDT THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 12:39 PM PDT | Frost Advisory | EKA | Lake, Mendocino, Trinity | 17 hr |
| Sep 3, 2:11 PM PDT | Small Craft Advisory | EKA | 25 hr |
Nearby
Beach Hazards Statements in California, 2026Every beach hazards statement in 2026
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.