NW-C-4754-26
SÉCURITÉHydrographic survey near Cedar Point, St. Marys River, 10-13 Nov
Warning text
Positions open on the mapLocation map
Open on the full mapAnalysis
Activeuntil 13 Nov 2026, 22:00 UTC (in 33 h)Hydrographic survey operations will take place daily in the vicinity of Cedar Point, St. Marys River (Sault Ste. Marie). Activity is planned from 10 Nov to 13 Nov 2026 between 1300 UTC and 2200 UTC each day. Mariners are requested to give a wide berth to survey vessels and equipment. Centroid and four position points are provided.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- St. Marys River, vicinity of Sault Ste. Marie (Cedar Point)
- Validity
- From 10 Nov 2026, 13:00 UTC
Until 13 Nov 2026, 22:00 UTCHydrographic survey operations taking place daily in the vicinity of Cedar Point from 10 Nov 2026 to 13 Nov 2026 between 1300 UTC and 2200 UTC. - Activity periods
- 10 Nov 2026, 13:00 UTC - 13 Nov 2026, 22:00 UTC (daily 1300-2200 UTC)
- Hazards
- hydrographic survey operations, survey vessel(s) and survey equipment
Worked out automatically from the warning text on 10 Nov 2026, 14:17 UTC. It can be wrong: the official warning text is the authority.
The whole analysis comes with Lagom
This warning's analysis also has:
- Action for mariners
- Keep-clear distance
- Charts
- Translations
- Nearby lights and rescue centres
The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.