Sarnia: 12,029 t/day estimated with Detroit Sarnia Duluth: 6,228 t/day estimated with Detroit Duluth Toledo: 6,115 t/day estimated with Detroit Toledo Presque Isle: 5,772 t/day estimated with Detroit Presque Isle Cleveland: 4,005 t/day estimated with Detroit Cleveland Two Harbors: 3,148 t/day estimated with Detroit Two Harbors Sandusky: 2,916 t/day estimated with Detroit Sandusky Conneaut: 1,641 t/day estimated with Detroit Conneaut Port Dover: 1,433 t/day estimated with Detroit Port Dover Thunder Bay: 1,415 t/day estimated with Detroit Thunder Bay Monroe: 1,363 t/day estimated with Detroit Monroe Bay City: 866 t/day estimated with Detroit Bay City Green Bay: 860 t/day estimated with Detroit Green Bay Ashtabula: 837 t/day estimated with Detroit Ashtabula Hamilton: 758 t/day estimated with Detroit Hamilton Milwaukee: 744 t/day estimated with Detroit Milwaukee Fairport: 716 t/day estimated with Detroit Fairport Buffington: 657 t/day estimated with Detroit Buffington Calumet Harbor: 603 t/day estimated with Detroit Calumet Harbor Burns Harbour: 507 t/day estimated with Detroit Burns Harbour Toronto: 495 t/day estimated with Detroit Toronto Grand Haven: 405 t/day estimated with Detroit Grand Haven Quebec: 398 t/day estimated with Detroit Quebec Chicago: 354 t/day estimated with Detroit Chicago Indiana Harbor: 291 t/day estimated with Detroit Indiana Harbor Montreal: 259 t/day estimated with Detroit Montreal Erie: 208 t/day estimated with Detroit Erie Clarkson: 191 t/day estimated with Detroit Clarkson Gary: 163 t/day estimated with Detroit Gary Trois Rivieres: 144 t/day estimated with Detroit Trois Rivieres Port Cartier: 106 t/day estimated with Detroit Port Cartier Baie Comeau: 45 t/day estimated with Detroit Baie Comeau Sept Iles: 41 t/day estimated with Detroit Sept Iles La Baie (Port Alfred): 16 t/day estimated with Detroit La Baie (Port Alfred) Menominee: 13 t/day estimated with Detroit Menominee Belfast: 13 t/day estimated with Detroit Belfast Glasgow: 11 t/day estimated with Detroit Glasgow Ghent: 11 t/day estimated with Detroit Ghent Taboguilla: 11 t/day estimated with Detroit Taboguilla Antwerp: 11 t/day estimated with Detroit Antwerp Port Akdeniz: 10 t/day estimated with Detroit Port Akdeniz Constantza: 9 t/day estimated with Detroit Constantza Oxelösund: 8 t/day estimated with Detroit Oxelösund Lisboa: 7 t/day estimated with Detroit Lisboa Ventspils: 6 t/day estimated with Detroit Ventspils Algeciras: 6 t/day estimated with Detroit Algeciras Amsterdam: 6 t/day estimated with Detroit Amsterdam Djen Djen: 6 t/day estimated with Detroit Djen Djen Brunsbuettel: 6 t/day estimated with Detroit Brunsbuettel Las Palmas (de Gran Canaria): 6 t/day estimated with Detroit Las Palmas (de Gran Canaria) Houston (US-TX): 5 t/day estimated with Detroit Houston (US-TX) Halifax: 5 t/day estimated with Detroit Halifax Aviles: 4 t/day estimated with Detroit Aviles Liverpool: 3 t/day estimated with Detroit Liverpool Rotterdam: 3 t/day estimated with Detroit Rotterdam Gaspe: 3 t/day estimated with Detroit Gaspe Wismar: 3 t/day estimated with Detroit Wismar Motril: 3 t/day estimated with Detroit Motril Casablanca: 3 t/day estimated with Detroit Casablanca Valencia: 3 t/day estimated with Detroit Valencia Goose Bay: 2 t/day estimated with Detroit Ceuta: 2 t/day estimated with Detroit Vlissingen: 2 t/day estimated with Detroit IJmuiden: 2 t/day estimated with Detroit Detroit + − ⌂
click to enable scroll zoom · drag to pan Full footprint: all 64 connections of Detroit aggregated over the SeaRoute (Eurostat) shipping lanes — each segment glows according to the estimated capacity it carries (IMF PortWatch, AIS 2019-2025).
Where vessels arrive from
Ports of origin (upstream)
1. Sarnia Canada 2.1 days between calls
2. Duluth United States 3.0 days between calls
3. Presque Isle United States 2.0 days between calls
4. Two Harbors United States 2.6 days between calls
5. Sandusky United States 1.4 days between calls
Where they sail on to
Destination ports (downstream)
1. Toledo United States 4.9 days between calls
2. Cleveland United States 2.9 days between calls
3. Presque Isle United States 2.5 days between calls
4. Duluth United States 4.8 days between calls
5. Sarnia Canada 2.6 days between calls
IMF connection network based on vessel capacity before and after calling at this port (AIS 2019-2025). The time shown is the average elapsed between the call at one port and the next call at the other — it includes anchorage and berthing waits, which is why it far exceeds pure sailing time on short routes such as Algeciras–Tanger Med.