Headline:
Dense Fog Advisory issued October 5 at 8:41PM PDT until October 6 at 12:00PM PDT by NWS Portland OR
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
October 5, 2026 - 8:41pm
Expires:
October 6, 2026 - 12:45pm
Description:
* WHAT...For the Dense Fog Advisory, dense fog will reduce
visibility to 1 NM or less. For the first Small Craft Advisory,
seas 4 to 5 ft at 11 seconds and north winds 10 to 15 kt with
gusts up to 25 kt. For the second Small Craft Advisory, seas 3
to 5 ft at 12 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 Tuesday. Small Craft
Advisory, until 11 PM PDT this evening. Small Craft Advisory,
from 5 PM Tuesday to 2 AM PDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft. Low
visibility will make navigation difficult.
Instruction:
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.
Area Description:
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Coastal waters from Cape Foulweather to Florence OR out 10 nm
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov