NW-C-4547-26
PAN PANNew shoal confirmed between Montréal and Trois-Rivières
ActiveReceived 28 Oct 2026, 00:00 UTC
Warning text
Positions open on the mapNW-C-4547-26
Date
2026-10-28 16:28 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-4430-26
Areas
Montréal to Trois-Rivières
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 10.534N 072 55.216W
46 10.520N 072 55.234W
46 10.534N 072 55.254W
46 10.547N 072 55.236W
Depth: 10.4 metres
In Force Shoals number Q5291/26 refers.
Position
Centroid :
Pt 1:
Pt 2:
Pt 3:
Pt 4:
Charts
1312(NAD83)
Location map
Open in the full mapAnalysis
ActiveA shoal has been confirmed in the St. Lawrence River between Montréal and Trois-Rivières. Four bounding positions are given and a centroid is indicated. Least depth over the shoal is 10.4 metres. This message cancels NW-C-4430-26.
Note the shoal positions on charts and navigate with caution in the area; reduce draft or alter track as required.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- Montréal to Trois-Rivières
- Validity
- From 28 Oct 2026, 16:28 UTC
Date 2026-10-28 16:28 UTC - Hazards
- shoal - shallow depth (10.4 m)
- Least depth
- 10.4 m (34 ft)
- Cancels
- NW-C-4430-26
- Charts
- 1312(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada80 NM from the area
- RCCJRCC TrentonCanada231 NM from the area
- RCCRCC BostonUnited States243 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM11 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM24 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM41 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM48 NM from the area
- DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM54 NM from the area
Worked out automatically from the warning text on 28 Oct 2026, 17:37 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER