Location
Codes & time
America/Toronto
Now: UTC-4
Standard: UTC-5
DST from 08 Mar 2026 03:00 EDT; standard time from 01 Nov 2026 02:00 EST
Contacts
No contacts researched for Portneuf yet. The rescue centre and VHF 16 below always apply.
Nearest rescue centre...
VHF 16distress, safety and calling (156.800 MHz)DSC 70digital selective calling
Active warnings near Portneuf
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Catalogue harbor data
- Area
- Gulf of Saint Lawrence; North Atlantic Ocean
Warnings mentioning this port
Active and archived NAVAREA / coastal messages that reference Portneuf in their text.
NW-C-4054-26 - NW-C-4054-26
CoastalSt. Lawrence
NW-C-4054-26 Date 2026-09-20 10:36 UTC Status Published Title Marine Works Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Dredging Operation Description Dredging operations taking place Monday to Friday from 1000 UTC to 2100 UTC at the Portneuf wharf beginning 21
NW-C-0995-26 - NW-C-0995-26
CoastalSt. Lawrence
NW-C-0995-26 Date 2026-04-23 14:31 UTC Status Published Title Marine works Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Wharf Construction Description Demolition operations taking place from a barge at the Portneuf wharf. Minimum wake requested. Position Centroi
NW-C-0993-26 - NW-C-0993-26
CoastalSt. Lawrence
NW-C-0993-26 Date 2026-04-23 00:43 UTC Status Published Title Scientific Moorings Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Scientific Moorings Description The following scientific moorings have been temporarily established: XB01 46 40.786N 071 52.837W XB03 4
NW-C-3900-26 - NW-C-3900-26
CoastalSt. Lawrence· Archived
NW-C-3900-26 Date 2026-09-07 10:02 UTC To 2026-09-18 22:00 UTC Status Published Title Marine Works Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Dredging Operation Description Dredging operations taking place daily at Portneuf wharf from 081000 UTC Sep 2026 until
NW-C-4021-26 - NW-C-4021-26
CoastalSt. Lawrence· Archived
NW-C-4021-26 Date 2026-09-18 08:09 UTC Status Published Title Aids to Navigation Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Lights Aids Traverse Cap-Santé range front light LL 1995 Description Front Light Unreliable, on emergency light. Position 46° 41.397'N
NW-C-2524-26 - NW-C-2524-26
CoastalSt. Lawrence· Archived
NW-C-2524-26 Date 2026-06-24 00:21 UTC Status Published Title Aids to Navigation Cancels NW-C-2523-26 Areas Trois-Rivières to Donnacona Vicinity Portneuf Categories Lights Aids Portneuf range rear light LL 1998 Description Daymark unreliable, obstructed. Position 46° 41.663'N 07
NW-C-3577-26 - NW-C-3577-26
CoastalSt. Lawrence· Archived
NW-C-3577-26 Date 2026-08-16 07:41 UTC To 2026-08-16 22:00 UTC Status Published Title Routeing Change Areas Donnacona to Beauport Port of Quebec Trois-Rivières to Donnacona Vicinity Portneuf to Quebec Categories Regatta or Race Description Kayak event of approximately 200 kayaks
NW-C-3564-26 - NW-C-3564-26
CoastalSt. Lawrence· Archived
NW-C-3564-26 Date 2026-08-15 08:03 UTC To 2026-08-15 22:00 UTC Status Published Title Routeing Change Areas Port of Trois-Rivieres Trois-Rivières to Donnacona Vicinity Trois-Rivières to Portneuf Categories Regatta or Race Description Kayak event of approximately 200 kayaks taking