Get Forecast Bar
Weather alerts on your iPhone
Back to All Alerts
Small Craft Advisory
ActiveCoastal waters from Florence to Cape Blanco OR out 10 nm; Waters from Florence to Cape Blanco OR from 10 to 60 nm
Starts
Ends
Issued
Severity
Minor
Urgency
Expected
Certainty
Likely
Details
* WHAT...Very steep and hazardous seas 15 to 18 ft at 14 to 16 seconds through this morning. South winds increase later this morning, 25 to 30 kt with gale gusts up to 40 kt and very steep wind-driven seas 12 to 14 ft. Conditions gradually diminishing through Tuesday, though seas remain steep and elevated 12 to 14 ft.
* WHERE...All areas.
* WHEN...For the Hazardous Seas Warning, until 10 AM PST this morning. For the Gale Warning, from 10 AM this morning to 10 PM PST this evening. For the Small Craft Advisory, from 10 PM this evening to 4 AM PST Wednesday.
* IMPACTS...Strong winds and very steep seas could capsize or damage vessels. Low visibility conditions are expected.
* View the hazard area in detail at https://go.usa.gov/x6hks
Instructions
Mariners should alter plans to avoid strong winds and very steep seas. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Data from the National Weather Service
Service provided by Forecast Bar