NW-C-1735-26
PAN PANReceived: 22 May 2026, 00:00Updated: 1 Nov 2026, 12:53
analysis
ActiveShoal (8.3 m) reported between Trois-Rivières and Donnacona
A shoal has been newly discovered and confirmed in the area between Trois-Rivières and Donnacona. The shoal area is defined by four positions with a reported least depth of 8.3 metres; centroid 46°34.010'N 072°04.200'W. Shoals number Q5088/26 is in force and this message cancels NW-C-1185-26.
Navigate with caution, consult updated charts and avoid the defined shoal area.
- 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 22 May 2026, 13:36 UTC
In Force Shoals number Q5088/26 refers. - Hazards
- shoal, shallow depth
- Least depth
- 8.3 m (27 ft)
- Cancels
- NW-C-1185-26
- Charts
- 1314(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada39 NM from the area
- RCCRCC BostonUnited States257 NM from the area
- RCCJRCC TrentonCanada273 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM19 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM28 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM38 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM40 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM53 NM from the area
Generated automatically from the warning text on 28 Sept 2026, 08:27 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-1735-26
Date
2026-05-22 13:36 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-1185-26
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 34.018N 072 04.138W
46 34.000N 072 04.260W
46 34.002N 072 04.261W
46 34.020N 072 04.139W
Depth: 8.3 metres
In Force Shoals number Q5088/26 refers.
Position
Centroid : 46° 34.010'N 072° 04.200'W
Pt 1: 46° 34.018'N 072° 04.138'W
Pt 2: 46° 34.000'N 072° 04.260'W
Pt 3: 46° 34.002'N 072° 04.261'W
Pt 4: 46° 34.020'N 072° 04.139'W
Charts
1314(NAD83)