{"url_path":"/weather/alerts/2.49.0.1.840.0.45a344f34daf822aec7705178f8ba9b91b335b5f.001.1","section_key":"alert","section_title":"Coastal Flood Advisory issued July 12 at 3:10PM PDT until July 13 at 12:00AM PDT by NWS Eureka CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.45a344f34daf822aec7705178f8ba9b91b335b5f.001.1","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":200,"has_tables":false,"body_markdown":"# Coastal Flood Advisory: Coastal Flood Advisory issued July 12 at 3:10PM PDT until July 13 at 12:00AM PDT by NWS Eureka CA\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Northern Coastal Humboldt\n**Issued by:** NWS Eureka CA\n**Sent:** 2026-07-12T15:10:00-07:00\n**Effective:** 2026-07-12T15:10:00-07:00\n**Expires:** 2026-07-12T23:15:00-07:00\n\n## Description\n* WHAT...High astronomical tides will cause minor flooding in low\nlying areas around Humboldt Bay. Up to one quarter foot of\nsaltwater inundation above ground level is possible near\nshorelines and tidal waterways. Between 8.7 and 8.9 feet MLLW\nat the North Spit tide gauge is predicted.\n\n* WHERE...Northern Coastal Humboldt County.\n\n* WHEN...From 9 PM this evening to midnight PDT tonight. High tide\nis at 10:36 PM at the Humboldt Bay North Spit tide gauge.\nSaltwater inundation will be possible 1 to 2 hours before and\nafter high tide.\n\n* IMPACTS...Flooding of low lying areas around Humboldt Bay\nincluding parks and roads with only isolated closures expected.\nFlooding will likely impact Jackson Ranch Road in the Arcata\nBottoms and several roads in King Salmon.\n\n## Instructions\nA Coastal Flood Advisory indicates that onshore winds and tides\nwill combine to generate flooding of low areas along the shore.\n\nFeet Above Ground is locally defined as feet above the Highest\nAstronomical Tide or HAT."}