LNM13-22450D
SÉCURITÉReceived: 11 Nov 2026, 00:00Updated: 11 Nov 2026, 19:06
Keywords
- Operationsdredging operations, marine construction
Message content
COLUMBIA RIVER - NORTH PORTLAND HARBOR
General / Marine Construction (Excluding Bridges) / Dredging
HME will be performing dredging operations near CBC East Barge Slip, Columbia River (RM 108) from 15 Nov – 01 Dec 2026, working 7 days a week from 0600-1800. Dredging side at 45-36.67N 122-36.20W. Dredge spoils will be transported downstream to (RM 109.6). Vessels include Tug “Husky” and support Tug “St. Helens”, a dump scow “Sea Vulture” and one split-hull dump scow. Vessels will be monitoring VHF Channels 13 and 16, with working channel VHF 67, 68, or 69. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. For additional information, please contact HME Project Manager at 503-250-1827 or 360-904-2978.
Position 45-36.67N 122-38.57W
USCG Northwest District Local Notice to Mariners 45/2026