Warning Vector

Hazardous Seas Warning

NWS Medford OR ยท US

Updated

Details

Hazardous Seas Warning Remains In Effect From 11 PM This Evening To 2 PM PDT Friday

Event
Hazardous Seas Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Moderate
Certainty
Likely
Response
Avoid

Description

What

For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and seas 6 to 9 ft at 7 seconds. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 13 ft at 10 seconds expected.

Where

Small Craft Advisory south of Port Orford overnight. Hazardous Seas Warning for all of the area late Thursday night into Friday afternoon.

When

For the Small Craft Advisory, until 2 AM PDT Thursday. For the Hazardous Seas Warning, from 11 PM Thursday to 2 PM PDT Friday.

Impacts

Very steep and hazardous seas could capsize or damage vessels. Bar crossings will become especially treacherous. * View the hazard area in detail at https://go.usa.gov/x6hks

Instructions

Recreational boaters should remain in port. Commercial vessels should prepare for very steep seas and consider remaining in port until conditions improve.

Affected areas

  • Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm
  • Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm

Public contact

Issuer
NWS Medford OR

Message record

Received
Issue to receipt
~45s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M3A97D9BZRA86JK54BRG7SAP
Identifier
urn:oid:2.49.0.1.840.0.f13030a6ab53990a3aefe07769a5d913615ac76d.002.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Medford OR
AWIPS ID
CAPMFR
NWWS sequence
nwws_processor.8545
WMO heading
XOUS56
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
56

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMENWS
NationalWeatherServiceSEW

Parameters

NameValue
AWIPSidentifierMWWMFR
WMOidentifierWHUS76 KMFR 241800
NWSheadlineHAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT FRIDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.CON.KMFR.SE.W.0036.260925T0600Z-260925T2100Z/
eventEndingTime2026-09-25T14:00:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm
  • Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm
NameValue
SAME057356
SAME057376
UGCPZZ356
UGCPZZ376