{"url_path":"/weather/alerts/2.49.0.1.840.0.331f41ea2d4de71ad339805b70008a40ca61aa1b.001.2","section_key":"alert","section_title":"Hazardous Seas Warning issued May 20 at 2:48PM PDT until May 22 at 11:00PM PDT by NWS Eureka CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.331f41ea2d4de71ad339805b70008a40ca61aa1b.001.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Eureka CA"},"word_count":178,"has_tables":false,"body_markdown":"# Hazardous Seas Warning: Hazardous Seas Warning issued May 20 at 2:48PM PDT until May 22 at 11:00PM PDT by NWS Eureka CA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm\n**Issued by:** NWS Eureka CA\n**Sent:** 2026-05-20T14:48:00-07:00\n**Effective:** 2026-05-20T14:48:00-07:00\n**Expires:** 2026-05-20T23:00:00-07:00\n\n## Description\n* WHAT...For the Gale Warning, north winds 20 to 30 kt with\ngusts up to 40 kt and seas 11 to 13 feet. For the Hazardous\nSeas Warning, very steep and hazardous seas 9 to 12 feet and\nnorth winds 20 to 30 kt with gusts up to 35 kt expected.\n\n* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to\n60 nm.\n\n* WHEN...For the Gale Warning, until 10 AM PDT Thursday. For the\nHazardous Seas Warning, from 10 AM Thursday to 11 PM PDT\nFriday.\n\n* IMPACTS...Strong winds will cause hazardous seas which could\ncapsize or damage vessels and reduce visibility.\n\n## Instructions\nMariners should alter plans to avoid these hazardous conditions.\nRemain in port, seek safe harbor, alter course, and/or secure the\nvessel for severe conditions."}