Great Lakes & Seaway Shipping Online  
Vessel Passage

Chicago (see Southern Lk. Michigan below)
Detroit Area
Grand Haven
Port of Montreal
Mariatown (Seaway below the Iroquois Lock)
Owen Sound
Port Huron - Vantage Point
Sept-Iles (Gulf of St. Lawrence)
Southern Lake Michigan
Straits of Mackinac
Straits of Mackinac (Round Island Passage)
Stoneport, Rogers City, Cedarville & Port Inland
Superior Midwest Energy
Welland Canal
Salties on the Great Lakes
Algoma Central Marine Fleet
Great Lakes Fleet
Current Great Lakes Ship Locations
Real time map of the Seaway
Your area here
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         BoatNerd AIS Map
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Current Vessel Locations
(Location based on reported Weather Observations)
Vessel Locations - Seaway       

Table - Travel Times Between Major Ports
Table - Travel Times Detroit & St. Clair River

Track by phone
Boatwatcher's Hotline 218-722-6489
CSX Coal Docks/Torco dock (Toledo) 419-697-2304
DMIR Ore Dock (Duluth) 218-628-4590
DMIR Ore Dock (Two Harbors) 218-834-8190
Eisenhower Lock tape 315-769-2422
Grand Haven/Ferrysburg 616-844-1999 ext.1020
Iroquois Lock 613-652-4821
Michigan Limestone Docks
Calcite 989-734-2117
Cedarville 906-484-2201 ext.503

Montreal - Lake Ontario 450-672-4115
press 9 then 7 wait to ring and answer press 9
Pilotage tape salt water vessels 905-934-1836
Port Inland tape 906-283-3456 ext.1(*after hours only)
Stoneport 989-595-6611
Soo Control 906-635-3224
Superior Midwest Energy Terminal 715-395-3559
Thunder Bay Port Authority
USS Great Lakes Fleet 218-628-4389
Welland Canal 905-688-6462

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