NW-C-4459-26
PAN PANShoal (10.5 m) reported between Trois-Rivières and Donnacona
No longer in forceReceived 22 Oct 2026, 00:00 UTCArchived 28 Oct 2026, 14:49 UTC
Warning text
Positions open on the mapNW-C-4459-26
Date
2026-10-22 18:42 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-3768-26
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 39.174N 071 46.263W
46 39.176N 071 46.270W
46 39.182N 071 46.266W
46 39.180N 071 46.258W
Depth: 10.5 metres
In Force Shoals number Q5273/26 refers.
Position
Centroid : 46° 39.178'N 071° 46.264'W
Pt 1: 46° 39.174'N 071° 46.263'W
Pt 2: 46° 39.176'N 071° 46.270'W
Pt 3: 46° 39.182'N 071° 46.266'W
Pt 4: 46° 39.180'N 071° 46.258'W
Charts
1314(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA shoal has been reported and confirmed in the area between Trois-Rivières and Donnacona. The feature is defined by four positions and a centroid; least depth given as 10.5 metres. The shoal is in force and refers to Shoals number Q5273/26. Chart 1314 (NAD83) is affected.
Note shoal on charts and navigate with caution when transiting the area; avoid the defined shoal polygon if depth is insufficient for your vessel.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- Trois-Rivières to Donnacona
- Validity
- From 22 Oct 2026, 18:42 UTC
In Force Shoals number Q5273/26 refers. - Hazards
- shoal, shallow depth 10.5 m
- Least depth
- 10.5 m (34 ft)
- Cancels
- NW-C-3768-26
- Charts
- 1314(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada25 NM from the area
- RCCRCC BostonUnited States260 NM from the area
- RCCJRCC TrentonCanada287 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM15 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM25 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM27 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM32 NM from the area
- DSCDSC Station MontmagnyJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM54 NM from the area
Worked out automatically from the warning text on 22 Oct 2026, 19:47 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER