Small Craft Advisory

NWS Eureka CA · US

Updated

This event was updated at 2026-11-12 11:14:00 UTC.

Details

Small Craft Advisory Remains In Effect Until 1 AM PST Friday... ...Gale Warning In Effect From 1 AM To 3 PM PST Friday

Event: Small Craft Advisory
Issued: 2026-11-11 23:12:00 UTC
Onset: 2026-11-11 23:12:00 UTC
Message expires: 2026-11-12 07:15:00 UTC
Expected end: 2026-11-13 09:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 35 kt and seas 10 to 15 feet. For the Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 18 feet expected.

Where

Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm.

When

For the Gale Warning, from 1 AM to 3 PM PST Friday. For the Small Craft Advisory, until 1 AM PST Friday.

Impacts

Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Additional details

A very large NW swell of 25ft at 19sec is expected to fill into the coastal waters Friday afternoon. Expect continued hazards through the weekend..

Instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.

Affected areas

Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Public contact

Issuer: NWS Eureka CA
Website: http://www.weather.gov

Message record

Received: 2026-11-11 23:12:36 UTC
Issue to receipt: ~37s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M76E4YKX893M40Z25T2P9F7T
Identifier: urn:oid:2.49.0.1.840.0.ab4291a8707f5200570e378f8237d4e3e4ea962e.004.1
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.8063
WMO heading: XOUS56
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 56

References

Identifier: urn:oid:2.49.0.1.840.0.fb862da0f28c03ff83ad3e7e2702aa8973fece47.001.1
Sender: [email protected]
Sent: 2026-11-11 16:24:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.4908daba8f75f33a6066be0da2641bbc4d333813.004.1
Sender: [email protected]
Sent: 2026-11-11 18:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1960a0750620ed4cd68590a3edaa973dc17ec551.003.1
Sender: [email protected]
Sent: 2026-11-11 04:24:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.920e81fd37561d621a2df22cf33ec1ad16425ddc.004.1
Sender: [email protected]
Sent: 2026-11-10 22:50:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.7b82fe4c7f2128c5cb980f9d008d05d8d6ee6fb8.002.1
Sender: [email protected]
Sent: 2026-11-10 17:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a861cb19c3c0ea60119ad79d1c4622e73c9568c3.002.1
Sender: [email protected]
Sent: 2026-11-10 11:00:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWEKA
WMOidentifier	WHUS76 KEKA 112312
NWSheadline	SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST FRIDAY... ...GALE WARNING IN EFFECT FROM 1 AM TO 3 PM PST FRIDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KEKA.SC.Y.0103.000000T0000Z-261113T0900Z/
eventEndingTime	2026-11-13T01:00:00-08:00
BLOCKCHANNEL	CMAS
expiredReferences	[email protected],urn:oid:2.49.0.1.840.0.1960a0750620ed4cd68590a3edaa973dc17ec551.003.1,2026-11-10T20:24:00-08:00 [email protected],urn:oid:2.49.0.1.840.0.920e81fd37561d621a2df22cf33ec1ad16425ddc.004.1,2026-11-10T14:50:00-08:00 [email protected],urn:oid:2.49.0.1.840.0.7b82fe4c7f2128c5cb980f9d008d05d8d6ee6fb8.002.1,2026-11-10T09:01:00-08:00 [email protected],urn:oid:2.49.0.1.840.0.a861cb19c3c0ea60119ad79d1c4622e73c9568c3.002.1,2026-11-10T03:00:00-08:00

Locations

Location data

Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Name	Value
SAME	057475
UGC	PZZ475