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.
FLORENCE SPIRIT, upbound, was reported at Grassy Island at 10:07 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 4:07 p.m. ET. Its AIS destination field reads DETROIT. That time is a BoatNerd estimate, not a confirmed arrival or lock transit. The latest BoatNerd passage lists for 7 watch points held 61 distinct vessels with reports from the last 24 hours.
Soo Locks: KAMINISTIQUA, downbound, was reported at Whitefish Point at 9:56 a.m. ET; BoatNerd estimates it at Soo Locks around 12:53 p.m. ET. KOZNITZA, downbound, was reported at Point Iroquois at 9:32 a.m. ET; BoatNerd estimates it at Soo Locks around 10:50 a.m. ET. SHIRLEY ANN, downbound, was reported at Soo Locks at 9:03 a.m. ET. Its AIS destination field reads SAULT STE MARIE.
Port Huron / St. Clair River: 338364526 US, upbound, was reported at Dossin Museum / Detroit at 10:07 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 11:23 a.m. ET. Its AIS destination field reads UNKNOWN. ALGOMA INTREPID, upbound, was reported at Vantage Point / Port Huron at 10:05 a.m. ET. Its AIS destination field reads SUPERIOR. ALGOMA EQUINOX, upbound, was reported at Crib Light at 9:43 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 12:34 p.m. ET. Its AIS destination field reads SARNIA.
Detroit River: NOAA R4107, downbound, was reported at Vantage Point / Port Huron at 9:57 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 2:28 p.m. ET. KIMBERLY JOY, downbound, was reported at Algonac at 9:21 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 2:33 p.m. ET. JOHN G MUNSON, downbound, was reported at Algonac at 9:19 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 12:04 p.m. ET. Its AIS destination field reads TOLEDO.
Welland Canal: NOELLE G, outbound, was reported at Port Weller at 6:46 a.m. ET. Its AIS destination field reads BEANR. OSOGOVO, inbound, was reported at Port Weller at 1:56 a.m. ET. Its AIS destination field reads CAWND. MRS C, inbound, was reported at Port Weller at 1:32 a.m. ET.
Straits of Mackinac: CHARLIE, eastbound, was reported at Straits of Mackinac at 9:56 a.m. ET. Its AIS destination field reads CA MTR. LEE A. TREGURTHA, eastbound, was reported at Straits of Mackinac at 9:43 a.m. ET. Its AIS destination field reads SILVER BAY. AMERICAN SPIRIT, westbound, was reported at Straits of Mackinac at 8:32 a.m. ET. Its AIS destination field reads GARY.
Duluth / Superior: HELEN H, outbound, was reported at Duluth Piers at 8:26 a.m. ET. Its AIS destination field reads DULUTH. AMERICAN INTEGRITY, outbound, was reported at Duluth Piers at 7:32 a.m. ET. Its AIS destination field reads CLEVELAND. STEWART J CORT, outbound, was reported at Superior Entry at 5:32 a.m. ET. Its AIS destination field reads BURNS HARBOR.
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: 0.797 ft above Low Water Datum at 9:54 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.555 ft above Low Water Datum at 10:00 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.555 ft above Low Water Datum at 10:00 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.591 ft above Low Water Datum at 10:00 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.411 ft above Low Water Datum at 10:00 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.005 ft above Low Water Datum at 9:54 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 10:01 a.m. ET: "30.3 inch high pressure becomes centered over northern Ontario and the Upper Great Lakes this morning. By Friday afternoon, the high builds to 30.5 inches over southern Quebec as a 29.5 inch low moves into eastern Montana."
Lake Michigan, NWS forecast issued 9:53 a.m. ET: "A Dense Fog Advisory is in effect until 1 PM CDT this afternoon for the northern portions of Lake Michigan. This fog may spread southward and linger into tonight and Friday morning."
Lake Huron, NWS forecast issued 10:05 a.m. ET: "High pressure, 30.40 inches, builds over the area today. This high migrates toward southern Quebec by Friday then sinks southward to New England this weekend."
Lake Erie, NWS forecast issued 9:18 a.m. ET: "High pressure 30.30 inches will slowly move south across the eastern Great Lakes through Saturday, strengthening to 30.60 inches. High pressure will continue to push south along the East Coast on Sunday and Monday, weakening to 30.30 inches."
Lake Ontario, NWS forecast issued 10:02 a.m. ET: "A high pressure ridge averaging 30.4 inches continues to exit toward the Canadian Maritimes before a weak cold front sweeps southeastward across the lake through this afternoon. Behind the front, another ridge averaging 30.5 inches affects the lake through this weekend as the embedded high pressure center moves southeastward across the Great Lakes through Friday and then moves farther southeastward to Atlantic waters near Long Island and New Jersey by Sunday."