NW-C-4411-26
PAN PANNew shoal discovered between Montréal and Trois-Rivières (depth 9.9 m)
ActiveReceived 20 Oct 2026, 00:00 UTC
Warning text
Positions open on the mapNW-C-4411-26
Date
2026-10-20 19:14 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-3981-26
Areas
Montréal to Trois-Rivières
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 08.040N 072 57.367W
46 07.685N 072 57.485W
46 07.687N 072 57.494W
46 08.041N 072 57.376W
Depth: 9.9 metres
In Force Shoals number Q5266/26 refers.
Position
Centroid : 46° 07.863'N 072° 57.430'W
Pt 1: 46° 08.040'N 072° 57.367'W
Pt 2: 46° 07.685'N 072° 57.485'W
Pt 3: 46° 07.687'N 072° 57.494'W
Pt 4: 46° 08.041'N 072° 57.376'W
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. The shoal area is defined by four positions with a reported least depth of 9.9 metres. Mariners are advised this danger is in force and refer to shoals number Q5266/26. Chart 1312 (NAD83) shows the area.
Navigate with caution, note the shoal positions on chart 1312 and avoid transiting the defined area where appropriate.
- 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 20 Oct 2026, 19:14 UTC
Date 2026-10-20 19:14 UTC. In Force Shoals number Q5266/26 refers. - Hazards
- shoal, shallow depth
- Least depth
- 9.9 m (32 ft)
- Cancels
- NW-C-3981-26
- Charts
- 1312(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada83 NM from the area
- RCCJRCC TrentonCanada228 NM from the area
- RCCRCC BostonUnited States241 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM8 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM27 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM38 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM44 NM from the area
- DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM51 NM from the area
Worked out automatically from the warning text on 20 Oct 2026, 20:37 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER