NW-C-1670-26
Received: 20 May 2026, 00:00Updated: 1 Nov 2026, 05:09
analysis
ActiveShoal (8.3 m) in the Detroit River
A shoal has been confirmed in the Detroit River with minimum depth 8.3 metres. The shoal is bounded by four positions near 42 08.175N 083 07.358W to 42 08.175N 083 07.356W. Centroid position is given as 42° 08.176'N 083° 07.357'W. Mariners should note the new danger and exercise caution when transiting the area.
Navigate with caution and avoid the shoal area; consult chart 14853 and navigate with care.
- 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 20 May 2026, 15:22 UTC
Date 2026-05-20 15:22 UTC - Hazards
- shoal, shallow depth 8.3 m
- Least depth
- 8.3 m (27 ft)
- References
- Shoals number CNA1022/26
- Charts
- 14853(NAD83)
Coast stations for this area
- RCCJRCC TrentonCanada272 NM from the area
- DSCDSC Station LeamingtonJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM21 NM from the area
- DSCDSC Station Grand PointeJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM35 NM from the area
- DSCDSC Station RondeauJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM59 NM from the area
- DSCDSC Station SarniaJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM67 NM from the area
- DSCDSC Station Port BurwellJRCC TrentonCanadaMMSI 003160030VHF 40range 40 NM113 NM from the area
Generated automatically from the warning text on 21 Oct 2026, 16:10 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-1670-26
Date
2026-05-20 15:22 UTC
Status
Published
Title
Newly Discovered Dangers
Areas
Detroit River
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
42 08.175N 083 07.358W
42 08.177N 083 07.358W
42 08.176N 083 07.356W
42 08.175N 083 07.356W
Depth: 8.3 metres
In Force Shoals number CNA1022/26 refers.
Position
Centroid : 42° 08.176'N 083° 07.357'W
Pt 1: 42° 08.175'N 083° 07.358'W
Pt 2: 42° 08.177'N 083° 07.358'W
Pt 3: 42° 08.176'N 083° 07.356'W
Pt 4: 42° 08.175'N 083° 07.356'W
Charts
14853(NAD83)