{"url_path":"/weather/alerts/2.49.0.1.840.0.3f2fa615f75ba0ab41741bad82d2778b442e0c35.003.1","section_key":"alert","section_title":"Small Craft Advisory issued September 23 at 3:58PM EDT until September 25 at 2:00AM EDT by NWS Boston/Norton MA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3f2fa615f75ba0ab41741bad82d2778b442e0c35.003.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Boston/Norton MA"},"word_count":245,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued September 23 at 3:58PM EDT until September 25 at 2:00AM EDT by NWS Boston/Norton MA\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Massachusetts Bay and Ipswich Bay; Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM\n**Issued by:** NWS Boston/Norton MA\n**Sent:** 2026-09-23T15:58:00-04:00\n**Effective:** 2026-09-23T15:58:00-04:00\n**Expires:** 2026-09-24T05:00:00-04:00\n\n## Description\n* WHAT...For the Small Craft Advisory, northeast winds 15 to 25\nkt with gusts up to 30 kt and seas 6 to 11 feet. For the Gale\nWarning, northeast winds 20 to 30 kt with gusts up to 40 kt\nand seas 12 to 17 feet expected. For the Storm Watch,\nnortheast winds 30 to 40 kt with gusts up to 50 kt and seas 18\nto 23 feet possible.\n\n* WHERE...In Massachusetts coastal waters, Coastal waters east\nof Ipswich Bay and the Stellwagen Bank National Marine\nSanctuary and Massachusetts Bay and Ipswich Bay. In Atlantic\ncoastal waters, Ocean Waters from the Merrimack River to\nPlymouth from 40 to 60 NM.\n\n* WHEN...For the Small Craft Advisory, until 2 AM EDT Friday.\nFor the Gale Warning, from 2 AM to 11 AM EDT Friday. For the\nStorm Watch, from Friday morning through Saturday evening.\n\n* IMPACTS...Storm force winds and hazardous seas could capsize\nor damage vessels and reduce visibility.\n\n## Instructions\nMariners should prepare to remain in port, alter course, and/or\nsecure the vessel before the onset of severe conditions."}