NW-C-4479-26
SÉCURITÉDiving operations off Toronto, Lake Ontario on 25 Oct
No longer in forceReceived 25 Oct 2026, 00:00 UTCArchived 25 Oct 2026, 19:28 UTC
Warning text
Positions open on the mapNW-C-4479-26
Date
2026-10-25 03:51 UTC To 2026-10-25 19:00 UTC
Status
Published
Title
Marine Works
Areas
Lake Ontario
Vicinity
Toronto
Categories
Diving Operation
Description
Diving operations taking place from 251330 UTC Oct 2026 until 251800 UTC Oct 2026 at 43 37.093N 079 14.38W.
Position
Charts
14810(NAD83),
2077(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceDiving operations will take place at a position off Toronto in Lake Ontario on 25 October 2026. Activity is scheduled from 1330 UTC until 1800 UTC. Mariners are advised of divers and associated support vessels in the area.
Keep well clear of the area, proceed at slow speed, maintain a sharp lookout for divers and support craft.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
- Location
- Lake Ontario, vicinity Toronto
- Validity
- From 25 Oct 2026, 13:30 UTC
Until 25 Oct 2026, 18:00 UTCfrom 251330 UTC Oct 2026 until 251800 UTC Oct 2026 - Activity periods
- 25 Oct 2026, 13:30 UTC - 25 Oct 2026, 18:00 UTC (diving operations)
- Hazards
- diving operations, divers and support vessels
- Charts
- 14810(NAD83), 2077(NAD83)
Coast stations for this area
- RCCJRCC TrentonCanada80 NM from the area
- RCCRCC BostonUnited States368 NM from the area
- RCCJRCC QuebecCanada390 NM from the area
- DSCDSC Station TrafalgarJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM23 NM from the area
- DSCDSC Station FonthillJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM34 NM from the area
- DSCDSC Station CobourgJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM52 NM from the area
- DSCDSC Station OrilliaJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM58 NM from the area
- DSCDSC Station MeafordJRCC TrentonCanadaMMSI 003160031VHF 40range 40 NM79 NM from the area
Worked out automatically from the warning text on 25 Oct 2026, 04:57 UTC. It can be wrong: the official warning text is the authority.
Keywordsdiving operations