NW-C-0031-26
Archivedanalysis
No longer in forceConstruction works on retaining wall near Saint-Jean-sur-Richelieu (Richelieu River)
Construction operations on the Royal Military College Saint-Jean retaining wall will begin 05 Jan 2026 in the Richelieu River / northern Lake Champlain area near Saint-Jean-sur-Richelieu. Works occur during daylight hours; turbidity curtains, cofferdams and a barge may be present. Position given as a short polyline near 45 17.997N 073 15.010W to 45 17.613N 073 15.017W. Mariners should navigate with caution and keep clear of the work area.
Navigate with caution, keep clear of the work area and expect floating/work equipment; maintain a good lookout.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/offshore/
- Location
- Richelieu River and Northern Lake Champlain, vicinity Saint-Jean-sur-Richelieu
- Validity
- From 05 Jan 2026, 00:00 UTC
beginning 05 Jan 2026. Construction operations taking place during daylight hours - Activity periods
- 05 Jan 2026, 00:00 UTC - ? (daylight hours beginning 05 Jan 2026)
- Hazards
- construction operations, turbidity curtains, cofferdams, barge
- Charts
- 1351(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada124 NM from the area
- RCCJRCC TrentonCanada196 NM from the area
- RCCRCC BostonUnited States201 NM from the area
- DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM3 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM15 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM18 NM from the area
- DSCDSC Station Mont RigaudJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM45 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM45 NM from the area
Generated automatically from the warning text on 28 Sept 2026, 18:00 UTC. It can be wrong: the original warning below is the authoritative text.