CoastalUS Coast Guard LNM - Great Lakes District (D9)MessagesLNM09-7F0125LNM09-7F0125Received 23 Sept 2026, 00:00 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapLAKE MICHIGAN - CHICAGO HARBOR General / Marine Events / Fireworks Navy Pier Summer Series Fireworks from 2200-2230 Position 41-53.50N 087-35.88W USCG Great Lakes District Local Notice to Mariners 45/2026Location mapOpen on the full mapMore from US Coast Guard LNM - Great Lakes District (D9)LNM09-EE8D0A2026-11-11NAVAREA IV General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes Enterprise TE Products Pipeline Company LLC will be conducting excavation, mLNM09-7CF9E22026-11-11LAKE MICHIGAN - INDIANA HARBOR General / Bridges / Repairs, Painting, Or Fender Replacement IN - LAKE MICHIGAN – Indiana Harbor Canal The Coast Guard has received a report that the bridge fendering isLNM09-D104002026-11-09LAKE MICHIGAN - LOWER GREEN BAY General / Hazards To Navigation / Shoaling Reported Shoaling has been reported near the South West of Long Tail Point in position 44-34.98N 087-59.07W. All mariners areLNM09-E891242026-09-23archivedLAKE MICHIGAN - CALUMET General / Bridges / Rehabilitation *****REVISED***** IL - LAKE MICHIGAN – Calumet Harbor From March 1, through March 7, 2027, the 92nd Street Bridge at mile 0.76 (CORPS MILE 33LNM09-6CCD3C2026-11-04archivedLAKE HURON - LAKE MICHIGAN General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes General/Marine Construction (Excluding Bridges)/Facilities,Later warningsLNM09-8ADBA62026-09-23KEWEENAW UPPER ENTRANCE - KEWEENAW WATERWAY General / Bridges / Maintenance MI- LAKE SUPERIOR – Kewanee Waterway During May 2027, May 2029, and October 2029, thLNM09-ED6F8B2026-09-23LAKE MICHIGAN - INDIANA HARBOR General / Bridges / Maintenance IN - LAKE MICHIGAN – Indiana Harbor Canal From July 15 through December 18, 2026, beginning at noLNM09-77A7EA2026-09-30archivedDETROIT RIVER - LAKE ST. CLAIR General / Marine Events / Regatta (Race) Distance sailboat race on Lake Saint Clair. Around North Channel, and return down the StEarlier warningsLNM09-0472F42026-09-23MAUMEE BAY - MAUMEE RIVER General / Bridges / Maintenance OH - LAKE ERIE – Toledo Harbor From March 1, 2026, through July 1, 2028, scaffolding will be installedLNM09-1C10C62026-09-23LAKE MICHIGAN - MILWAUKEE General / Bridges / Lighting and Other Signals WI - LAKE MICHIGAN – Milwaukee Harbor The Coast Guard has received a report that the upLNM09-D923FA2026-09-23LAKE MICHIGAN - CHICAGO HARBOR General / Bridges / Maintenance From October 12, 2026, through January 11, 2027, scaffolding that hangs approximately 2-feet beloBack to US Coast Guard LNM - Great Lakes District (D9)