What was issued
* WHAT...South winds 25 to 35 kt with very steep and hazardous
seas 14 to 16 ft at 14 seconds. Gale force gusts to 40 kt are
possible at times through this morning. South winds ease to 15
to 25 kt this afternoon and swell dominated seas remain steep 12
to 15 ft. Conditions rapidly worsen late Thursday as south winds
and seas quickly increase. Gales of 30 to 40 kt with gusts to 50
kt possible. Seas increase due to increasing wind waves and an
incoming heavy long period swell, possibly reaching 20 to 25 ft
at 15 seconds Friday.
* WHERE...All areas.
* WHEN...For the Hazardous Seas Warning, until 4 PM PST this
afternoon. For the Small Craft Advisory, from 4 PM this
afternoon to 10 PM PST Thursday. For the Gale Watch, from
Thursday evening through Friday evening.
* IMPACTS...Strong winds and very steep seas could capsize or
damage vessels. Low visibility conditions are possible.
* ADDITIONAL DETAILS...Very steep, hazardous seas could reach 25
to 30 feet or higher late Friday into Saturday as a heavy long
period swell continues to build in. Please stay tuned for
updates on this high impact weather pattern.
* View the hazard area in detail at https://go.usa.gov/x6hks
What you should do
Mariners should consider altering 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.
Affected area