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.
CSL WELLAND, downbound, was reported at Harbor Beach at 1:27 p.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 5:47 p.m. ET. That time is a BoatNerd estimate, not a confirmed arrival or lock transit. The latest BoatNerd passage lists for 7 watch points held 64 distinct vessels with reports from the last 24 hours.
Soo Locks: SHIRLEY ANN, downbound, was reported at Soo Locks at 1:17 p.m. ET. Its AIS destination field reads SAULT STE MARIE. LEE A. TREGURTHA, downbound, was reported at Point Iroquois at 1:04 p.m. ET; BoatNerd estimates it at Soo Locks around 2:24 p.m. ET. Its AIS destination field reads INDIANA HARBOR. INDIANA HARBOR, downbound, was reported at Soo Locks at 12:43 p.m. ET.
Port Huron / St. Clair River: MARK W. BARKER, upbound, was reported at Dossin Museum / Detroit at 1:27 p.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 6:17 p.m. ET. Its AIS destination field reads GREEN BAY. ALGOMA INNOVATOR, upbound, was reported at Vantage Point / Port Huron at 1:18 p.m. ET. Its AIS destination field reads GODERICH. ALGOBERTA, upbound, was reported at Detroit River Light at 1:12 p.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 7:58 p.m. ET. Its AIS destination field reads CASNI.
Detroit River: ALBERT, downbound, was reported at Algonac at 1:26 p.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 4:14 p.m. ET. Its AIS destination field reads NANTICOKE. SPRUCEGLEN, downbound, was reported at Dossin Museum / Detroit at 12:59 p.m. ET. Its AIS destination field reads SOREL. FLORENCE SPIRIT, upbound, was reported at South East Shoal at 12:57 p.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 5:24 p.m. ET. Its AIS destination field reads DETROIT.
Welland Canal: FEDERAL DEE, inbound, was reported at Port Weller at 1:20 p.m. ET. Its AIS destination field reads USDET. CAPT. HENRY JACKMAN, inbound, was reported at Port Weller at 11:30 a.m. ET. Its AIS destination field reads THUNDER BAY. JOHN D LEITCH, outbound, was reported at Port Weller at 10:59 a.m. ET. Its AIS destination field reads WINDSOR.
Straits of Mackinac: WYANDOT, eastbound, was reported at Straits of Mackinac at 10:53 a.m. ET. Unknown, eastbound, was reported at Straits of Mackinac at 10:51 a.m. ET. Its AIS destination field reads UNKNOWN. MISS MARGY, eastbound, was reported at Straits of Mackinac at 10:41 a.m. ET.
Duluth / Superior: VISTA STAR, inbound, was reported at Duluth Piers at 1:27 p.m. ET. Its AIS destination field reads DULUTH. SV 3060, inbound, was reported at Superior Entry at 11:39 a.m. ET. CLYDE S VANENKEVORT, outbound, was reported at Duluth Piers at 7:03 a.m. ET. Its AIS destination field reads SILVER BAY.
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: 0.81 ft above Low Water Datum at 1:18 p.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.68 ft above Low Water Datum at 1:18 p.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.673 ft above Low Water Datum at 1:18 p.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.923 ft above Low Water Datum at 1:18 p.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.408 ft above Low Water Datum at 1:18 p.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.169 ft above Low Water Datum at 1:18 p.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 4:01 a.m. ET: "29.7 inch troughing continues today as the associated 29.4 inch low tracks eastward across far northern Ontario towards James Bay. High pressure then builds in from the Canadian Prairies and Northern Plains late in the work week, with 30.0 inch ridging over Lake Superior on Thursday strengthening to 30.1 inches on Friday."
Lake Michigan, NWS forecast issued 3:55 a.m. ET: "Gusty south southwest winds early this morning will turn to northwesterly briefly this morning as a cold front tracks down the lake. Behind the front this afternoon and evening, winds will turn back to westerly."
Lake Huron, NWS forecast issued 3:39 a.m. ET: "A cold front slowly tracking through the central Great Lakes triggers scattered showers over Lake Huron this afternoon and evening. Stronger southwest winds early this morning shift to the west-northwest behind the front."
Lake Erie, NWS forecast issued 9:31 a.m. ET: "A cold front will move southeast across the lake tonight. High pressure 30.30 inches builds in from the west on Thursday and persists through early Saturday."
Lake Ontario, NWS forecast issued 4:02 a.m. ET: "A 30.2 inch high over the Mid-Alantic region will slide out to sea today. A cold front will pass across the lake tonight into Thursday."