{"url_path":"/weather/alerts/2.49.0.1.840.0.b06fe947df10a62bf3ac274dba65c6c055e26bf5.002.1","section_key":"alert","section_title":"Dense Fog Advisory issued July 4 at 1:23PM CDT until July 5 at 10:00AM CDT by NWS Milwaukee/Sullivan WI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-04","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b06fe947df10a62bf3ac274dba65c6c055e26bf5.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Milwaukee/Sullivan WI"},"word_count":315,"has_tables":false,"body_markdown":"# Dense Fog Advisory: Dense Fog Advisory issued July 4 at 1:23PM CDT until July 5 at 10:00AM CDT by NWS Milwaukee/Sullivan WI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake\n**Issued by:** NWS Milwaukee/Sullivan WI\n**Sent:** 2026-07-04T13:23:00-05:00\n**Effective:** 2026-07-04T13:23:00-05:00\n**Expires:** 2026-07-04T21:30:00-05:00\n\n## Description\n* WHAT...Dense fog will reduce visibility to 1/2 NM at less at\ntimes.\n\n* WHERE...Central Third of the Open Waters of Lake Michigan,\nLake Michigan from North Point Light to Wind Point WI 5NM\noffshore to Mid Lake, Lake Michigan from Wind Point WI to\nWinthrop Harbor IL 5NM offshore to Mid Lake, Lake Michigan\nfrom Holland to Grand Haven MI 5NM offshore to Mid Lake, and\nLake Michigan from South Haven to Holland MI 5NM offshore to\nMid lake.\n\n* WHEN...Until 10 AM CDT 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."}