{"url_path":"/weather/alerts/2.49.0.1.840.0.6c90d104aec59196f67595d4e5abe02eafee9263.004.2","section_key":"alert","section_title":"Small Craft Advisory issued May 18 at 3:35PM EDT until May 19 at 8:00PM EDT by NWS Marquette MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.6c90d104aec59196f67595d4e5abe02eafee9263.004.2","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":200,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued May 18 at 3:35PM EDT until May 19 at 8:00PM EDT by NWS Marquette MI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Huron Islands to Marquette MI; Marquette to Munising MI; Munising to Grand Marais MI; Grand Marais to Whitefish Point MI\n**Issued by:** NWS Marquette MI\n**Sent:** 2026-05-18T15:35:00-04:00\n**Effective:** 2026-05-18T15:35:00-04:00\n**Expires:** 2026-05-19T03:45:00-04:00\n\n## Description\n* WHAT...For the Dense Fog Advisory, dense fog will reduce\nvisibility to less than one nautical mile. For the Small Craft\nAdvisory, west winds 15 to 20 kt with gusts up to 30 kt and\nwaves 4 to 7 ft expected.\n\n* WHERE...Huron Islands to Marquette MI, Marquette to Munising\nMI, Munising to Grand Marais MI and Grand Marais to Whitefish\nPoint MI.\n\n* WHEN...For the Dense Fog Advisory, from 8 PM this evening to 8\nAM EDT Tuesday. For the Small Craft Advisory, from 10 AM to 8\nPM EDT Tuesday.\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."}