Get Forecast Bar
Weather alerts on your iPhone
Back to All Alerts
Hazardous Seas Warning
ActiveCoastal waters from Florence to Cape Blanco OR out 10 nm; Waters from Florence to Cape Blanco OR from 10 to 60 nm
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 25 to 30 ft at 18 seconds. For the Storm Warning, south winds 35 to 45 kt with gusts up to 55 kt and seas 19 to 24 ft at 16 seconds expected.
* WHERE...All the area.
* WHEN...For the Hazardous Seas Warning, from 7 PM this evening to 1 PM PST Saturday. For the Storm Warning, from 1 PM Saturday to 1 AM PST Sunday.
* IMPACTS...Very strong winds and very steep seas could capsize or damage vessels. Visibilities will be significantly reduced.
* ADDITIONAL DETAILS...Another strong front will move in late Saturday and Saturday night with the potential for storm force winds and very steep and hazardous seas. This front will be followed by another round of very high westerly swell Sunday into Monday. Please continue to monitor the forecast for updates on this high impact weather pattern.
Instructions
Mariners should remain in port, alter course, and/or secure the vessel for very strong winds and very steep and hazardous seas.
Data from the National Weather Service
Service provided by Forecast Bar