{"url_path":"/weather/alerts/2.49.0.1.840.0.92f1fbe70c2de8b1437a89d80c6f1a13d8f55e57.005.2","section_key":"alert","section_title":"Small Craft Advisory issued September 12 at 2:01PM PDT until September 13 at 9:00PM PDT by NWS San Francisco CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.92f1fbe70c2de8b1437a89d80c6f1a13d8f55e57.005.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS San Francisco CA"},"word_count":164,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued September 12 at 2:01PM PDT until September 13 at 9:00PM PDT by NWS San Francisco CA\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco Bay north of the Bay Bridge\n**Issued by:** NWS San Francisco CA\n**Sent:** 2026-09-12T14:01:00-07:00\n**Effective:** 2026-09-12T14:01:00-07:00\n**Expires:** 2026-09-12T22:15:00-07:00\n\n## Description\n* WHAT...For the first Small Craft Advisory, west winds 15 to 25\nkt with gusts up to 30 kt and rough waters. For the second Small\nCraft Advisory, west winds 10 to 20 kt with gusts to 25 kt and\nchoppy waters expected.\n\n* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San\nFrancisco Bay north of the Bay Bridge.\n\n* WHEN...For the first Small Craft Advisory, until 9 AM PDT\nSunday. For the second Small Craft Advisory, from 3 PM to 9 PM\nPDT Sunday.\n\n* IMPACTS...Conditions will be hazardous to small craft.\n\n## Instructions\nInexperienced mariners, especially those operating smaller\nvessels, should avoid navigating in hazardous conditions."}