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Active official alertUpdated

Storm Warning for 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

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

What: South winds 20 to 30 kt and very steep and hazardous seas of 16 to 25 ft building to 25 to 30 ft at 19 seconds this evening and tonight. Very steep, hazardous seas 22 to 25 kt at 18 seconds Saturday morning. Then, south winds 30 to 40 kt with gusts 45 to 55 kt and very steep, hazardous, combined seas 19 to 24...

What the bulletin says to do

Mariners should remain in port, alter course, and/or secure the vessel for very strong winds and very steep and hazardous seas.

Full official description

Bulletin details

* WHAT...South winds 20 to 30 kt and very steep and hazardous seas of 16 to 25 ft building to 25 to 30 ft at 19 seconds this evening and tonight. Very steep, hazardous seas 22 to 25 kt at 18 seconds Saturday morning. Then, south winds 30 to 40 kt with gusts 45 to 55 kt and very steep, hazardous, combined seas 19 to 24 ft due to a mix of wind seas and west swell at 16 seconds. * WHERE...All the area. * WHEN...For the Hazardous Seas Warning, until 1 PM PST Saturday. For the Storm Warning, from 1 PM Saturday to 1 AM PST Sunday. * IMPACTS...Very strong winds and very steep seas could capsize or damage vessels. Visibilities will be significantly reduced. * ADDITIONAL DETAILS...Another strong front will move in late Saturday and Saturday night with the potential for storm force winds and very steep and hazardous seas. This front will be followed by another round of very high westerly swell Sunday into Monday. Please continue to monitor the forecast for updates on this high impact weather pattern.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

4 captured
  1. Update

    Storm Warning issued November 13 at 11:27AM PST until November 15 at 1:00AM PST by NWS Medford OR

    Official revision
  2. Update

    Storm Warning issued November 13 at 11:27AM PST until November 15 at 1:00AM PST by NWS Medford OR

    Official revision
  3. Alert

    Storm Warning issued November 13 at 11:19AM PST until November 15 at 1:00AM PST by NWS Medford OR

    Official revision
  4. Alert

    Storm Warning issued November 13 at 11:19AM PST until November 15 at 1:00AM PST by NWS Medford OR

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Medford OR. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections