{"url_path":"/weather/alerts/2.49.0.1.840.0.a2cc1bac72e5e92f7fc307a8e8f6ad1d5a911751.004.1","section_key":"alert","section_title":"Dense Fog Advisory issued June 9 at 3:02PM CDT until June 10 at 10:00AM CDT by NWS Milwaukee/Sullivan WI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-09","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a2cc1bac72e5e92f7fc307a8e8f6ad1d5a911751.004.1","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":383,"has_tables":false,"body_markdown":"# Dense Fog Advisory: Dense Fog Advisory issued June 9 at 3:02PM CDT until June 10 at 10:00AM CDT by NWS Milwaukee/Sullivan WI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake; Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore; Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake; Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 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 Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 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; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake\n**Issued by:** NWS Milwaukee/Sullivan WI\n**Sent:** 2026-06-09T15:02:00-05:00\n**Effective:** 2026-06-09T15:02:00-05:00\n**Expires:** 2026-06-09T23:15:00-05:00\n\n## Description\n* WHAT...Dense fog will reduce visibility to 1 NM or much less.\n\n* WHERE...Entire open lake of Lake Michigan.\n\n* WHEN...Until 10 AM CDT Wednesday.\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."}