{"url_path":"/weather/alerts/2.49.0.1.840.0.8af4ffd1aed88fee2d75b09b3f2a5e4efe395761.001.1","section_key":"alert","section_title":"Small Craft Advisory issued July 18 at 12:41PM EDT until July 19 at 8:00PM EDT by NWS Boston/Norton MA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8af4ffd1aed88fee2d75b09b3f2a5e4efe395761.001.1","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":181,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued July 18 at 12:41PM EDT until July 19 at 8:00PM EDT by NWS Boston/Norton MA\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM; Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island\n**Issued by:** NWS Boston/Norton MA\n**Sent:** 2026-07-18T12:41:00-04:00\n**Effective:** 2026-07-18T12:41:00-04:00\n**Expires:** 2026-07-19T11:00:00-04:00\n\n## Description\n* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and\nseas 4 to 6 feet.\n\n* WHERE...In Massachusetts coastal waters, Coastal waters from\nProvincetown MA to Chatham MA to Nantucket MA out 20 NM and\nCoastal Waters extending out to 25 NM South of Marthas\nVineyard and Nantucket. In Rhode Island coastal waters,\nCoastal Waters from Montauk NY to Marthas Vineyard extending\nout to 20 NM South of Block Island.\n\n* WHEN...Until 8 PM EDT 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."}