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...In the Main Channel of the Columbia River Bar.
* 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:
Columbia River Bar
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov