NW-C-4430-26
PAN PANShoal (10.4 m) reported between Montréal and Trois-Rivières
No longer in forceReceived 21 Oct 2026, 00:00 UTCArchived 28 Oct 2026, 17:10 UTC
Warning text
Positions open on the mapNW-C-4430-26
Date
2026-10-21 18:03 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-4071-26
Areas
Montréal to Trois-Rivières
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 10.533N 072 55.217W
46 10.519N 072 55.237W
46 10.532N 072 55.256W
46 10.546N 072 55.237W
Depth: 10.4 metres
In Force Shoals number Q5267/26 refers.
Position
Centroid : 46° 10.533'N 072° 55.237'W
Pt 1: 46° 10.533'N 072° 55.217'W
Pt 2: 46° 10.519'N 072° 55.237'W
Pt 3: 46° 10.532'N 072° 55.256'W
Pt 4: 46° 10.546'N 072° 55.237'W
Charts
1312(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA shoal has been discovered and confirmed in the St. Lawrence River between Montréal and Trois-Rivières. The feature is bounded by four positions with centroid at 46°10.533'N 072°55.237'W. Least depth reported 10.4 metres. This message cancels NW-C-4071-26.
Navigate with caution, avoid the shoal if your underkeel clearance is insufficient, and consult updated charts and local authorities.
- 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 21 Oct 2026, 18:03 UTC
Date 2026-10-21 18:03 UTC. In Force Shoals number Q5267/26 refers. - Hazards
- shoal, shallow depth
- Least depth
- 10.4 m (34 ft)
- Cancels
- NW-C-4071-26
- 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 21 Oct 2026, 18:37 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER