NW-C-1646-26
Received: 19 May 2026, 00:00Updated: 1 Nov 2026, 23:08
analysis
ActiveShoal (7.8 m) reported in Detroit River
A shoal has been confirmed in the Detroit River bounded by four surveyed points. The least depth is reported as 7.8 metres. The message cancels NW-C-0385-26. Charted on chart 14853 (NAD83).
Navigate with caution and avoid the shoal area; consult chart 14853 (NAD83).
- 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
- Detroit River
- Validity
- From 19 May 2026, 14:23 UTC
Date 2026-05-19 14:23 UTC - Hazards
- shoal, shallow depth 7.8 m
- Least depth
- 7.8 m (26 ft)
- Cancels
- NW-C-0385-26
- Charts
- 14853(NAD83)
Coast stations for this area
- RCCJRCC TrentonCanada274 NM from the area
- DSCDSC Station LeamingtonJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM21 NM from the area
- DSCDSC Station Grand PointeJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM37 NM from the area
- DSCDSC Station RondeauJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM60 NM from the area
- DSCDSC Station SarniaJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM70 NM from the area
- DSCDSC Station Port BurwellJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM114 NM from the area
Generated automatically from the warning text on 21 Oct 2026, 21:08 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-1646-26
Date
2026-05-19 14:23 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-0385-26
Areas
Detroit River
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
42 05.400N 083 07.824W
42 05.504N 083 07.810W
42 05.504N 083 07.804W
42 05.400N 083 07.818W
Depth: 7.8 metres
In Force Shoals number CNA1005/26 refers.
Position
Centroid : 42° 05.452'N 083° 07.814'W
Pt 1: 42° 05.400'N 083° 07.824'W
Pt 2: 42° 05.504'N 083° 07.810'W
Pt 3: 42° 05.504'N 083° 07.804'W
Pt 4: 42° 05.400'N 083° 07.818'W
Charts
14853(NAD83)