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Dense Fog Advisory
ActiveColumbia River Bar
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Minor
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, Rough bar conditions expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Dense Fog Advisory, until noon PDT today. Small Craft Advisory, from 2 PM this afternoon to 2 AM PDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...Ebb current of 3.65 kt at 218 PM Tuesday. Seas 4 to 5 ft. Ebb current of 4.85 kt at 233 AM Wednesday. Seas 5 ft. Ebb current of 4.47 kt at 310 PM Wednesday. Seas 5 ft.
Instructions
A Small Craft Advisory means that wave conditions are expected to be hazardous to small craft in the vicinity of the Columbia River Bar. Mariners are advised to obtain the latest bar conditions from the United States Coast Guard before attempting to cross the bar.
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.
Data from the National Weather Service
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