NWS feedSource freshLast successful check:
Active official alertUpdated

Hazardous Seas Warning for Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: Very steep and hazardous seas 7 to 12 feet and northwest winds 15 to 25 kt. Local gusts up to 40 kt expected near Cape Mendocino. Impacts: Very steep and hazardous seas could capsize or cause damage to vessels. Where: Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. When: Until 9 AM PDT Monday.

What the bulletin says to do

Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside.

Full official description

Bulletin details

* WHAT...Very steep and hazardous seas 7 to 12 feet and northwest winds 15 to 25 kt. Local gusts up to 40 kt expected near Cape Mendocino. * WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. * WHEN...Until 9 AM PDT Monday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Hazardous Seas Warning issued August 2 at 8:42PM PDT until August 3 at 9:00AM PDT by NWS Eureka CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Eureka CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections