High Surf Warning
NWS Eureka CA ยท US
Details
High Surf Warning Remains In Effect From 4 PM Friday To 4 AM PST Sunday
- Event
- High Surf Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Likely
- Response
- Avoid
Description
What
Dangerously large breaking waves 30 to 35 ft.
Where
Southwestern Humboldt and Coastal Mendocino Counties.
When
From 4 PM Friday to 4 AM PST Sunday. .
Impacts
Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surf conditions and significant beach erosion can be expected.
Additional details
After only brief improvement late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.
Instructions
Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures.
Affected areas
- Southwestern Humboldt
- Coastal Mendocino
Public contact
- Issuer
- NWS Eureka CA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~46s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M77NXTEXJYFRZ6N6JR3MSWMK
- Identifier
- urn:oid:2.49.0.1.840.0.df7d87a43507ebc54c785230d7511de83e8c5ed5.002.1
- Sender
- [email protected]
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Eureka CA
- AWIPS ID
- CAPEKA
- NWWS sequence
- nwws_processor.8057
- WMO heading
- XOUS56
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 56
References
- Sender
- [email protected]
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWEKA |
| WMOidentifier | WHUS46 KEKA 121047 |
| NWSheadline | HIGH SURF WARNING REMAINS IN EFFECT FROM 4 PM FRIDAY TO 4 AM PST SUNDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.KEKA.SU.W.0001.261114T0000Z-261115T1200Z/ |
| eventEndingTime | 2026-11-15T04:00:00-08:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | [email protected],urn:oid:2.49.0.1.840.0.629dbc36e84a9f9744cef59dbddf1cf57e6c8b12.002.1,2026-11-11T05:32:00-08:00 |
Locations
Location data
- Southwestern Humboldt
- Coastal Mendocino
| Name | Value |
|---|---|
| SAME | 006023 |
| SAME | 006045 |
| UGC | CAZ104 |
| UGC | CAZ109 |