Location
Codes & time
America/Toronto
Now: UTC-4
Standard: UTC-5
DST from 08 Mar 2026 03:00 EDT; standard time from 01 Nov 2026 02:00 EST
Contacts
No contacts researched for Thunder Bay yet. The rescue centre and VHF 16 below always apply.
Nearest rescue centre...
VHF 16distress, safety and calling (156.800 MHz)DSC 70digital selective calling
Active warnings near Thunder Bay
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Catalogue harbor data
- Area
- Lake Superior; Great Lakes
- Channel depth (m)
- 6.4
- Anchorage depth (m)
- 9.4
- Harbor size (World Port Index)
- Medium
- Harbor type
- Coastal (Breakwater)
- Shelter
- Excellent
Warnings mentioning this port
Active and archived NAVAREA / coastal messages that reference Thunder Bay in their text.
NW-C-4333-26 - NW-C-4333-26
CoastalGreat Lakes
NW-C-4333-26 Date 2026-10-14 09:44 UTC Status Published Title Marine Works Areas Lake Superior Vicinity Thunder Bay Categories Diving Operation Description Diving operations taking place Monday to Friday between 1200 UTC and 2100 UTC at the Superior Elevator wharf at section 41.
NW-C-3044-26 - NW-C-3044-26
CoastalGreat Lakes· Archived
NW-C-3044-26 Date 2026-07-17 18:39 UTC Status Published Title Shallow Depth Confirmed Areas Lake Superior Vicinity Thunder Bay Categories Shallow Depth Confirmed Description Shallow depths confirmed at: 48 21.950N 089 15.138W, 6.2 metres. 48 22.220N 089 14.966W, 4.9 metres. 48 26
NW-C-4074-26 - NW-C-4074-26
CoastalGreat Lakes· Archived
NW-C-4074-26 Date 2026-09-22 21:52 UTC Status Published Title Marine Works Areas Lake Superior Vicinity Thunder Bay Categories Diving Operation Description Diving operations taking place Monday to Friday between 1200 UTC and 2100 UTC at the Superior Elevator wharf at section 41.
NW-C-3586-26 - NW-C-3586-26
CoastalGreat Lakes· Archived
NW-C-3586-26 Date 2026-08-17 00:41 UTC To 2026-08-18 00:41 UTC Status Published Title Drifting Hazard Areas Lake Superior Vicinity Thunder Bay Categories Object Adrift Description Brown and grey couch reported adrift in the vicinity of 48 21.6N 089 12.3W at 162358 UTC Aug 2026. P
NW-C-2946-26 - NW-C-2946-26
CoastalGreat Lakes· Archived
NW-C-2946-26 Date 2026-07-12 18:16 UTC Status Published Title Shallow Depth Confirmed Areas Lake Superior Vicinity Thunder Bay Categories Shallow Depth Confirmed Description Shallow depth confirmed at 48 25.354N 089 12.972W, 6.6 metres. Position 48° 25.354'N 089° 12.972'W Charts
NW-C-2898-26 - NW-C-2898-26
CoastalGreat Lakes· Archived
NW-C-2898-26 Date 2026-07-09 13:49 UTC Status Published Title Marine works Cancels NW-C-2695-26 Areas Lake Superior Vicinity Thunder Bay Categories Dredging Operation Description Dredging operations taking place in the Mission River navigation channel in an area bounded by: 48 22