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Active official alertUpdated

Dense Fog Advisory for Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Coastal waters from Cape Foulweather to Florence OR out 10 nm

Official alert fields

What you need to know

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

What is happening

What: For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, seas 5 to 8 ft at 13 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. Impacts: Conditions will be hazardous to small craft. Low visibility will make navigation difficult. Where:...

What the bulletin says to do

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Full official description

Bulletin details

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, seas 5 to 8 ft at 13 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 and Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Dense Fog Advisory, until noon PDT today. Small Craft Advisory, from 2 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

3 captured
  1. Alert

    Dense Fog Advisory issued October 8 at 5:27AM PDT until October 8 at 12:00PM PDT by NWS Portland OR

    Official revision
  2. Alert

    Dense Fog Advisory issued October 8 at 5:27AM PDT until October 8 at 12:00PM PDT by NWS Portland OR

    Official revision
  3. Alert

    Dense Fog Advisory issued October 8 at 5:27AM PDT until October 8 at 12:00PM 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