Port · CATHU, CA
Port of Thunder Bay
Port of Thunder Bay (CATHU, CA) is a medium port at 48.40° N, 89.23° W. In the last 7 days AIS Trail recorded 13 arrivals and 6 departures here; 13 vessels called in the last 30 days, most of them cargo ships.
Activity
| Vessel type | Vessels, 30 days |
|---|---|
| Cargo | 12 |
Recent arrivals
| Vessel | Type | Arrived (UTC) | Departed (UTC) |
|---|---|---|---|
| FRONTENAC | Cargo | 14 Oct 2026, 18:26 UTC | No departure yet |
| ALGOMA STRONGFIELD | Cargo | 14 Oct 2026, 05:32 UTC | No departure yet |
| CSL ST-LAURENT | Cargo | 13 Oct 2026, 22:40 UTC | No departure yet |
| FLEVOBORG | Cargo | 13 Oct 2026, 14:09 UTC | 14 Oct 2026, 21:31 UTC |
| ROBERT W | – | 13 Oct 2026, 10:14 UTC | No departure yet |
| CSL NIAGARA | Cargo | 11 Oct 2026, 22:23 UTC | 13 Oct 2026, 01:34 UTC |
| CAPT. HENRY JACKMAN | Cargo | 10 Oct 2026, 21:22 UTC | 12 Oct 2026, 00:57 UTC |
| FEDERAL HAMILTON | Cargo | 10 Oct 2026, 19:41 UTC | No departure yet |
| NOELLE G | Cargo | 10 Oct 2026, 19:18 UTC | No departure yet |
| FEDERAL CLYDE | Cargo | 10 Oct 2026, 18:31 UTC | No departure yet |
| RODOPI | Cargo | 10 Oct 2026, 18:20 UTC | 13 Oct 2026, 11:26 UTC |
| POLSTEAM PILE | Cargo | 10 Oct 2026, 18:20 UTC | 10 Oct 2026, 20:26 UTC |
| FEDERAL ASAHI | Cargo | 10 Oct 2026, 18:17 UTC | 14 Oct 2026, 06:35 UTC |
Recent departures
| Vessel | Type | Departed (UTC) | Next port |
|---|---|---|---|
| FLEVOBORG | Cargo | 14 Oct 2026, 21:31 UTC | Sault Ste Marie USSSM |
| FEDERAL ASAHI | Cargo | 14 Oct 2026, 06:35 UTC | – |
| RODOPI | Cargo | 13 Oct 2026, 11:26 UTC | – |
| CSL NIAGARA | Cargo | 13 Oct 2026, 01:34 UTC | Sault Ste Marie USSSM |
| CAPT. HENRY JACKMAN | Cargo | 12 Oct 2026, 00:57 UTC | Sault Ste Marie USSSM |
| POLSTEAM PILE | Cargo | 10 Oct 2026, 20:26 UTC | Sault Ste Marie USSSM |
Port details
| Name | Thunder Bay |
|---|---|
| Other names | Fort William, Port Arthur |
| UN/LOCODE | CATHU |
| Country code | CA |
| Position | 48.40° N, 89.23° W |
| Harbour size | Medium |
| Harbour type | Coastal (Breakwater) |
| Port area used for port calls | 5 km around the position |
Port of Thunder Bay in the API
Every arrival and departure at Port of Thunder Bay, with draught changes and previous and next ports, is available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/ports/5210/calls?from=2026-10-10&event=arrival"Sources
- Live AIS via aisstream.io, provided without warranty. No published terms
- Port reference: UN/LOCODE, United Nations Economic Commission for Europe (UNECE), https://unlocode.unece.org, license CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: port entries selected, deduplicated and merged with the World Port Index.
- Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).
Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.
Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.
