Storm Warning Issued for Waters Off Cape Mendocino to Point Arena Through Sunday Morning

Alert Details

The National Weather Service in Eureka, CA has issued a Storm Warning for the offshore waters of Northern California. This alert follows a progression of hazardous marine conditions, including an initial Small Craft Advisory and a subsequent Gale Warning, as a powerful weather system moves through the region.

Affected Areas

The warning specifically covers the waters from Cape Mendocino to Pt. Arena, CA, extending from 10 to 60 nautical miles offshore (Zone PZZ475).

What You Should Do

Mariners are strongly advised to remain in port, alter course to avoid the most dangerous areas, and secure vessels for severe conditions. The National Weather Service warns that very strong winds will cause hazardous seas which could capsize or damage vessels and significantly reduce visibility.

Expected Conditions

Conditions are expected to deteriorate in stages:

• Small Craft Advisory Period: South winds 20 to 30 kt with gusts up to 40 kt and seas 7 to 10 feet.
• Gale Warning Period: Southeast winds 30 to 40 kt with gusts up to 50 kt and seas 9 to 14 feet.
• Storm Warning Period: South winds 35 to 40 kt with gusts up to 55 kt and seas 14 to 19 feet.

Timeline

• Small Craft Advisory: In effect from 4:00 PM Friday to 1:00 AM PST Saturday.
• Gale Warning: In effect from 1:00 AM to 1:00 PM PST Saturday.
• Storm Warning: In effect from 1:00 PM Saturday to 4:00 AM PST Sunday.