LNM09-D47FAD
SÉCURITÉReceived 28 Oct 2026, 00:00 UTCArchived 04 Nov 2026, 18:22 UTC
Warning text
Positions open on the mapKEWEENAW UPPER ENTRANCE - KEWEENAW WATERWAY
General / Marine Construction (Excluding Bridges) / Dredging
General/Marine Construction (Excluding Bridges)/Dredging Viking Marine Construction will be conducting hydraulic dredging operations in Ontonagon Harbor, Michigan, from October 10, 2026, to October 31, 2026. Operations will be conducted 24 hours a day, 7 days a week. Vessel on Station: Hydraulic cutterhead dredge AJ monitoring VHF-FM Channel 78. Pipeline: Approximately 4,500 feet of pipeline will run from the inner harbor to the northeast public beach disposal site. Pipeline and anchor buoys inside the channel will be marked every 500 feet with bright orange buoys, lighting, and reflective tape. Pipeline will be located inside the navigation channel. Disposal Site: Raised discharge pipe mounted on a yellow pontoon tank, marked with 4 flashing orange lights during night operations. Safety Advisory: All mariners are advised to proceed with caution, avoid all buoys, and maintain a minimum safe distance of at least 250 feet from the disposal pontoon. Dredge operator can be contacted on VHF-FM Channel 78. Point of Contact: Barry King at (616) 886-0245 or Viking Marine Construction at (616) 294-3597 / [email protected].
Position 46-52.58N 089-19.58W
USCG Great Lakes District Local Notice to Mariners 43/2026