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Active official alertUpdated

Hazardous Seas Warning for Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Coastal waters from Cape Foulweather to Florence OR out 10 nm; Waters from Cape Foulweather to Florence OR from 10 to 60 nm

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: For the Small Craft Advisory, seas 6 to 9 ft at 13 seconds and north winds 15 to 20 kt with gusts up to 25 kt expected. For the Hazardous Seas Warning, very steep and hazardous seas 8 to 11 ft at 9 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. Impacts: Very steep and hazardous seas...

What the bulletin says to do

A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside.

Full official description

Bulletin details

* WHAT...For the Small Craft Advisory, seas 6 to 9 ft at 13 seconds and north winds 15 to 20 kt with gusts up to 25 kt expected. For the Hazardous Seas Warning, very steep and hazardous seas 8 to 11 ft at 9 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM, Coastal waters from Cape Foulweather to Florence OR out 10 NM and Waters from Cape Foulweather to Florence OR from 10 to 60 NM. * WHEN...Small Craft Advisory, from 11 AM to 8 PM PDT Thursday. Hazardous Seas Warning, from 8 PM Thursday to 8 AM PDT Friday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Alert

    Hazardous Seas Warning issued October 21 at 1:30PM PDT until October 23 at 8:00AM PDT by NWS Portland OR

    Official revision
  2. Alert

    Hazardous Seas Warning issued October 21 at 1:30PM PDT until October 23 at 8:00AM PDT by NWS Portland OR

    Official revision

Source and limitations

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

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections