{"url_path":"/weather/alerts/2.49.0.1.840.0.53091e90a108508e988c7f3ce75523742bae8460.011.1","section_key":"alert","section_title":"Dense Smoke Advisory issued July 19 at 2:43PM EDT until July 20 at 8:00AM EDT by NWS Marquette MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-19","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.53091e90a108508e988c7f3ce75523742bae8460.011.1","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":204,"has_tables":false,"body_markdown":"# Dense Smoke Advisory: Dense Smoke Advisory issued July 19 at 2:43PM EDT until July 20 at 8:00AM EDT by NWS Marquette MI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Seul Choix Point to Point Detour MI; 5NM East of a line from Fairport MI to Rock Island Passage\n**Issued by:** NWS Marquette MI\n**Sent:** 2026-07-19T14:43:00-04:00\n**Effective:** 2026-07-19T14:43:00-04:00\n**Expires:** 2026-07-20T02:45:00-04:00\n\n## Description\n* WHAT...For the Dense Smoke Advisory, dense smoke will reduce\nvisibility to less than one nautical mile. For the Small Craft\nAdvisory, southwest winds 15 to 25 kt with gusts up to 35 kt and\nwaves 4 to 7 ft expected. Expect a wind shift to the northwest\nlate Monday night.\n\n* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a\nline from Fairport MI to Rock Island Passage.\n\n* WHEN...For the Dense Smoke Advisory, until 8 AM EDT Monday.\nFor the Small Craft Advisory, from 8 AM Monday to 8 AM EDT\nTuesday.\n\n* IMPACTS...Conditions will be hazardous to small craft. Low\nvisibility will make navigation difficult.\n\n## Instructions\nInexperienced mariners, especially those operating smaller\nvessels, should avoid navigating in hazardous conditions.\n\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."}