{"url_path":"/weather/alerts/2.49.0.1.840.0.02b8d40c19b6f9f99137e3d09e601f335a606913.001.1","section_key":"alert","section_title":"Small Craft Advisory issued September 18 at 4:38AM ChST until September 18 at 5:00PM ChST by NWS Tiyan GU","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.02b8d40c19b6f9f99137e3d09e601f335a606913.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Tiyan GU"},"word_count":109,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued September 18 at 4:38AM ChST until September 18 at 5:00PM ChST by NWS Tiyan GU\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Yap Coastal Waters\n**Issued by:** NWS Tiyan GU\n**Sent:** 2026-09-18T04:38:00+10:00\n**Effective:** 2026-09-18T04:38:00+10:00\n**Expires:** 2026-09-18T17:00:00+10:00\n\n## Description\n* WHAT...West winds 15 to 25 kt with gusts up to 30 kt.\n\n* WHERE...Yap Coastal Waters.\n\n* WHEN...Until 5 PM ChST Friday.\n\n* IMPACTS...Conditions will be hazardous to small craft.\n\n* ADDITIONAL DETAILS...A monsoon surge flowing into Tropical\nStorm Dujuan will continue to bring moderate to locally strong\nwinds over the Yap waters through this afternoon.\n\n## Instructions\nInexperienced mariners, especially those operating smaller\nvessels, should avoid boating in hazardous conditions."}