{"url_path":"/weather/alerts/2.49.0.1.840.0.f02f7be2b3d9a9cf9f382a5171613293ebc4a95d.002.1","section_key":"alert","section_title":"Small Craft Advisory issued May 18 at 1:06PM PDT until May 19 at 9:00AM PDT by NWS Portland OR","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.f02f7be2b3d9a9cf9f382a5171613293ebc4a95d.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Portland OR"},"word_count":176,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued May 18 at 1:06PM PDT until May 19 at 9:00AM PDT by NWS Portland OR\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Columbia River Bar\n**Issued by:** NWS Portland OR\n**Sent:** 2026-05-18T13:06:00-07:00\n**Effective:** 2026-05-18T13:06:00-07:00\n**Expires:** 2026-05-18T23:00:00-07:00\n\n## Description\n* WHAT...Rough bar conditions expected during very strong ebb\ncurrents Tuesday morning.\n\n* WHERE...In the Main Channel of the Columbia River Bar.\n\n* WHEN...From 5 AM to 9 AM PDT Tuesday.\n\n* IMPACTS...Conditions will be hazardous to small craft,\nespecially when operating near to, or attempting to cross, the\nColumbia River Bar.\n\n* ADDITIONAL DETAILS...Ebb current of 3.6 kt at 653 PM Monday.\nSeas 7 ft. Very strong ebb current of 7.02 kt at 703 AM Tuesday.\nSeas 10 ft. Ebb current of 3.39 kt at 747 PM Tuesday. Seas 6 ft.\n\n## Instructions\nA Small Craft Advisory means that wave conditions are expected to\nbe hazardous to small craft in the vicinity of the Columbia River\nBar. Mariners are advised to obtain the latest bar conditions\nfrom the United States Coast Guard before attempting to cross the\nbar."}