{"url_path":"/weather/alerts/2.49.0.1.840.0.a28e5ec9b983d3d8acfdd153272caad23bb1bf42.003.1","section_key":"alert","section_title":"Dense Fog Advisory issued June 6 at 3:34PM EDT until June 7 at 8:00AM EDT by NWS Marquette MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-06","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a28e5ec9b983d3d8acfdd153272caad23bb1bf42.003.1","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":173,"has_tables":false,"body_markdown":"# Dense Fog Advisory: Dense Fog Advisory issued June 6 at 3:34PM EDT until June 7 at 8:00AM EDT by NWS Marquette MI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays; Huron Islands to Marquette MI; Marquette to Munising MI; Munising to Grand Marais MI; Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore; Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore\n**Issued by:** NWS Marquette MI\n**Sent:** 2026-06-06T15:34:00-04:00\n**Effective:** 2026-06-06T15:34:00-04:00\n**Expires:** 2026-06-07T03:45:00-04:00\n\n## Description\n* WHAT...Dense fog will reduce visibility to less than one\nnautical mile.\n\n* WHERE...Portions of Central and Eastern Lake Superior.\n\n* WHEN...Until 8 AM EDT Sunday.\n\n* IMPACTS...Low visibility will make navigation difficult.\n\n## Instructions\nIf you must navigate, proceed with caution. Use proper fog\nsignals. Make sure all running lights are on. Remember to use\nyour radar and compass."}