NW-C-1445-26
PAN PANReceived: 13 May 2026, 00:00Updated: 2 Nov 2026, 01:50
analysis
ActiveShoal discovered between Montréal and Trois-Rivières (depth 6.8 m)
A shoal has been confirmed in the St. Lawrence River between Montréal and Trois-Rivières. The shoal area is defined by four positions; centroid 46°12.404'N 072°49.580'W. Least depth over the shoal is reported as 6.8 metres. Shoals number Q5065/26 is referred to and previous warning NW-C-0251-26 is cancelled.
Navigate with caution and consult charts; avoid the defined shoal area if draught is a concern.
- 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
- Montréal to Trois-Rivières
- Validity
- From 13 May 2026, 19:15 UTC
2026-05-13 19:15 UTC; In Force - Hazards
- shoal, shallow depth
- Least depth
- 6.8 m (22 ft)
- Cancels
- NW-C-0251-26
- Charts
- 1312(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada76 NM from the area
- RCCJRCC TrentonCanada235 NM from the area
- RCCRCC BostonUnited States244 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM15 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM20 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM45 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM51 NM from the area
- DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM57 NM from the area
Generated automatically from the warning text on 28 Sept 2026, 16:58 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-1445-26
Date
2026-05-13 19:15 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-0251-26
Areas
Montréal to Trois-Rivières
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 12.374N 072 49.485W
46 12.418N 072 49.681W
46 12.434N 072 49.674W
46 12.389N 072 49.478W
Depth: 6.8 metres
In Force Shoals number Q5065/26 refers.
Position
Centroid : 46° 12.404'N 072° 49.580'W
Pt 1: 46° 12.374'N 072° 49.485'W
Pt 2: 46° 12.418'N 072° 49.681'W
Pt 3: 46° 12.434'N 072° 49.674'W
Pt 4: 46° 12.389'N 072° 49.478'W
Charts
1312(NAD83)