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Thunder BayCA THU
(Fort William; Port Arthur)
Quick Answer
UNLOCODECA THU
CountryCanada
Water BodyLake Superior; Great Lakes
SizeMedium
TypeCoastal (Breakwater)
Channel Depth6.4 m
Lat48.4000
Lng-89.2333
Classificationbulk_20260910
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Last updated:
About This Seaport
Topping 10 million tonnes of cargo in 2024 — including grain above 4.9 million tonnes and potash over 1.2 million tonnes — Thunder Bay (CA THU) ranks among the busiest bulk ports on the Great Lakes. The 2026 season has opened exceptionally strong: July 2026 saw more than 1.32 million tonnes, a modern monthly record, with year-to-date volumes running roughly 10 percent ahead of the prior year; the typical summer grain lull is not occurring, driven by strong Prairie harvest carry-over and solid potash demand. Sitting at the western end of the Great Lakes–St. Lawrence Seaway, the port gathers Prairie wheat, canola and other grains in a cluster of elevators and loads them onto lakers and ocean vessels heading east. Two dry-bulk terminals also export Saskatchewan potash — the only potash loading facilities on the entire Seaway system. Coal, general and project cargo move through the Keefer Terminal. Transcontinental rail (CN, CP) and the Trans-Canada Highway tie the port to Western Canada's interior. It is not a container port; boxed cargo routes via Montreal or the West Coast ports of Vancouver and Prince Rupert. Operations are seasonal, since the Seaway closes for ice from roughly January to March.
Frequently Asked Questions
What is the UN/LOCODE of Thunder Bay?▼
The UN/LOCODE of Thunder Bay is CA THU. This international code identifies ports and logistics locations worldwide.
Where is the port of Thunder Bay located?▼
The port of Thunder Bay is located in Canada (Lake Superior; Great Lakes).
What is the size of the port Thunder Bay?▼
Thunder Bay is a Medium harbor of type Coastal (Breakwater).
What is the channel depth of Thunder Bay?▼
The channel depth of Thunder Bay is 6.4 meters.
Location & Weather
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48.40000, -89.23333
Channel depth: 6.4 m
Transit time routes from Thunder Bay
The information on this page is based on publicly available transport and infrastructure data. The logistics significance of a location may change. All information without warranty.
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