NW-C-4524-26
PAN PANReceived: 27 Oct 2026, 00:00Updated: 1 Nov 2026, 12:53
analysis
ActiveShoal (8.1 m) reported between Trois-Rivières and Donnacona
A shoal with least depth 8.1 metres has been confirmed in the area between Trois-Rivières and Donnacona. The shoal is bounded by four positions provided in the warning and is referenced as Shoals number Q5290/26. Charts affected: 1313 (NAD83). This message cancels NW-C-4098-26 and NW-C-4097-26.
Navigate with caution and avoid the area; update charts and passage plans accordingly.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- Trois-Rivières to Donnacona
- Validity
- From 27 Oct 2026, 19:03 UTC
In Force Shoals number Q5290/26 refers. - Hazards
- shoal, shallow depth (8.1 m)
- Least depth
- 8.1 m (27 ft)
- Cancels
- NW-C-4098-26, NW-C-4097-26
- Charts
- 1313(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada57 NM from the area
- RCCRCC BostonUnited States249 NM from the area
- RCCJRCC TrentonCanada254 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM1 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM34 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM47 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM57 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM59 NM from the area
Generated automatically from the warning text on 27 Oct 2026, 19:47 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- Geometry refsbounded, polygon
- Dangerous AreaDANGER
- Geometry phrasesarea bounded, bounded by
Message content
NW-C-4524-26
Date
2026-10-27 19:03 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-4098-26
Cancels
NW-C-4097-26
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 22.785N 072 26.606W
46 22.863N 072 26.164W
46 22.850N 072 26.159W
46 22.772N 072 26.601W
Depth: 8.1 metres
In Force Shoals number Q5290/26 refers.
Position
Centroid :
Pt 1:
Pt 2:
Pt 3:
Pt 4:
Charts
1313(NAD83)