How this edition was made: Every sentence is generated from a dated BoatNerd, NOAA or NWS source field and checked against those stored facts before publication. The lead was chosen by fixed rules. Estimates are marked as estimates and positions change after their report time. Verify time-sensitive details with the original provider. Report a correction.
The NWS forecast for Lake Superior issued 4:02 a.m. ET carries a Gale Watch. Lake Superior, NWS forecast issued 4:02 a.m. ET: "30.3 inch high pressure over Lake Winnipeg early this morning continues east into the Great Lakes this afternoon. Behind this, a 29.5 inch low then drops southeast out of northern Canada, reaching northern Ontario at 29.5 inches by Tuesday evening." The latest BoatNerd passage lists for 7 watch points held 64 distinct vessels with reports from the last 24 hours.
Soo Locks: FEDERAL ASAHI, upbound, was reported at Soo Locks at 4:55 a.m. ET; BoatNerd estimates it at Soo Locks around 5:05 a.m. ET. Its AIS destination field reads CATHU. COLORADO, upbound, was reported at Soo Locks at 4:54 a.m. ET; BoatNerd estimates it at Soo Locks around 5:04 a.m. ET. Its AIS destination field reads SOO. LEE A. TREGURTHA, upbound, was reported at Detour at 1:21 a.m. ET. Its AIS destination field reads MARQUETTE.
Port Huron / St. Clair River: ALGOMA BEAR, upbound, was reported at Dossin Museum / Detroit at 4:27 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 9:26 a.m. ET. Its AIS destination field reads THUNDER BAY. AMERICAN MARINER, downbound, was reported at Downbound 11 and 12 at 4:26 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 5:20 a.m. ET. Its AIS destination field reads TOLEDO. SEA EAGLE II, upbound, was reported at Grassy Island at 2:47 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 11:50 a.m. ET. Its AIS destination field reads DETROIT SMC ROUGE.
Detroit River: MARK W. BARKER, downbound, was reported at Crib Light at 4:47 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 5:58 a.m. ET. Its AIS destination field reads LORAIN. DEFIANCE, downbound, was reported at Algonac at 4:08 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 6:56 a.m. ET. Its AIS destination field reads ASHTABULA. ELBEBORG, downbound, was reported at Dossin Museum / Detroit at 2:41 a.m. ET. Its AIS destination field reads IE WAT.
Welland Canal: SLAVYANKA, outbound, was reported at Port Weller at 4:59 a.m. ET. Its AIS destination field reads CA MTR. ALGOLUNA, inbound, was reported at Port Weller at 5:59 a.m. ET Oct. 4. Its AIS destination field reads NANTICOKE.
Straits of Mackinac: BBC PHILIPPINES, westbound, was reported at Straits of Mackinac at 4:51 a.m. ET. Its AIS destination field reads USSUE. FEDERAL CEDAR, eastbound, was reported at Straits of Mackinac at 8:32 p.m. ET Oct. 4. Its AIS destination field reads CAMTR. WILFRED SYKES, westbound, was reported at Straits of Mackinac at 7:42 p.m. ET Oct. 4.
Duluth / Superior: BLACK SWAN, upbound, was reported at Bark Point at 3:53 a.m. ET; BoatNerd estimates it at Duluth / Superior around 8:40 a.m. ET. INDIANA HARBOR, upbound, was reported at Bark Point at 3:18 a.m. ET; BoatNerd estimates it at Duluth / Superior around 6:21 a.m. ET. H LEE WHITE, inbound, was reported at Duluth Piers at 11:05 p.m. ET Oct. 4. Its AIS destination field reads DULUTH.
Saginaw: no vessel reports from the last 24 hours were returned. That does not mean the waterway is empty.
Marquette C.G. (Lake Superior), NOAA station 9099018: 1.004 ft above Low Water Datum at 4:48 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.693 ft above Low Water Datum at 4:54 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.949 ft above Low Water Datum at 4:48 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.65 ft above Low Water Datum at 4:54 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.648 ft above Low Water Datum at 4:54 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.421 ft above Low Water Datum at 4:48 a.m. ET, preliminary data.
Each reading is one gauge above that lake's chart datum; it does not establish channel depth or vessel clearance.
Lake Superior, NWS forecast issued 4:02 a.m. ET: "30.3 inch high pressure over Lake Winnipeg early this morning continues east into the Great Lakes this afternoon. Behind this, a 29.5 inch low then drops southeast out of northern Canada, reaching northern Ontario at 29.5 inches by Tuesday evening."
Lake Michigan, NWS forecast issued 3:40 a.m. ET: "Northwest winds will gradually decrease this morning as high pressure of 30.2 inches enters from the west. A few waterspouts remain possible across the far northern edge of the lake early this morning."
Lake Huron, NWS forecast issued 3:54 a.m. ET: "Low pressure, 29.50 inches, south of James Bay will track into Quebec tonight. This low is driving a cold front through the region, with west/northwest flow expected tonight into Monday."
Lake Erie, NWS forecast issued 3:41 a.m. ET: "High pressure 30.20 inches will build over Lake Erie today before drifting east of the area by Wednesday. A cold front will approach from the west Wednesday and move east across the lake Thursday with high pressure 30.10 inches returning Friday."
Lake Ontario, NWS forecast issued 4:03 a.m. ET: "A 30.2 inch high over the upper Midwest will build across the Great Lakes through Tuesday, before sliding into the Northeast Wednesday. A cold front will then pass across the lake Thursday."