Dense Fog Advisory issued October 4 at 9:16AM PDT until October 4 at 12:00PM PDT by NWS Portland OR
* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...In the Main Channel of the Columbia River Bar, Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM and Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM. * WHEN...Until noon PDT today. * IMPACTS...Low visibility will make navigation difficult.