Headline:
Dense Fog Advisory issued October 4 at 9:20PM PDT until October 5 at 12:00PM PDT by NWS Portland OR
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
October 4, 2026 - 9:20pm
Expires:
October 5, 2026 - 12:00pm
Description:
* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...Coastal waters from Cape Shoalwater WA to Cape Falcon
OR out 10 NM, Coastal waters from Cape Falcon to Cape
Foulweather OR out 10 NM, Waters from Cape Shoalwater WA to
Cape Falcon OR from 10 to 60 NM and Waters from Cape Falcon to
Cape Foulweather OR from 10 to 60 NM.
* WHEN...Until noon PDT Monday.
* IMPACTS...Low visibility will make navigation difficult.
Instruction:
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.
Area Description:
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nm; Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 nm; Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 nm
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov