{"url_path":"/weather/alerts/2.49.0.1.840.0.0cbe0ceac48568182246f4b884e40af2b44d3a74.001.1","section_key":"alert","section_title":"Special Marine Warning issued July 23 at 6:56PM EDT until July 23 at 8:00PM EDT by NWS Marquette MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0cbe0ceac48568182246f4b884e40af2b44d3a74.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Marquette MI"},"word_count":225,"has_tables":false,"body_markdown":"# Special Marine Warning: Special Marine Warning issued July 23 at 6:56PM EDT until July 23 at 8:00PM EDT by NWS Marquette MI\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park; Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border\n**Issued by:** NWS Marquette MI\n**Sent:** 2026-07-23T18:56:00-04:00\n**Effective:** 2026-07-23T18:56:00-04:00\n**Expires:** 2026-07-23T20:00:00-04:00\n\n## Description\nSMWMQT\n\nThe National Weather Service in Marquette has issued a\n\n* Special Marine Warning for...\nLake Superior from Saxon Harbor WI to Upper Entrance to Portage\nCanal MI 5NM off shore to the US/Canadian border including Isle\nRoyale National Park...\nLake Superior from Upper Entrance to Portage Canal to Manitou\nIsland MI 5NM off shore to the US/Canadian Border...\n\n* Until 800 PM EDT.\n\n* At 656 PM EDT, strong thunderstorms were located along a line\nextending from 7 nm northwest of Passage Island Light to 18 nm\nsoutheast of Thunder Bay Ontario to 9 nm north of Pigeon Point,\nmoving southeast at 25 knots.\n\nHAZARD...Wind gusts 34 knots or greater.\n\nSOURCE...Radar.\n\nIMPACT...Small craft could be damaged in briefly higher winds and\nsuddenly higher waves.\n\n* Locations impacted include...\nPassage Island Light and Mott Island Park Headquarters.\n\n## Instructions\nMove to safe harbor until hazardous weather passes."}