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Hazardous Seas Watch

Active

Coastal 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 Moderate
Urgency Future
Certainty Possible

Details

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt and steep seas 12 to 17 ft at 16 seconds. For the Gale Warning, southwest winds 25 to 35 kt with gusts up to 45 kt and very steep seas 12 to 17 ft at 13 seconds expected. For the Hazardous Seas Watch, very steep and hazardous seas 19 to 23 ft at 16 seconds likely.
* WHERE...For the Small Craft Advisory, all areas until Saturday afternoon when it becomes more confined to inner waters due to a Gale Warning elsewhere. For the Gale Warning, nearly all of the outer waters north of Cape Blanco. For the Hazardous Seas Watch, all areas.
* WHEN...For the Small Craft Advisory, until 4 AM PST Sunday. For the Gale Warning, from 1 PM Saturday to 4 AM PST Sunday. For the Hazardous Seas Watch, from late Saturday night through Sunday evening.
* 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.
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