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.
PUNA, upbound, was reported at Dossin Museum / Detroit at 10:19 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 3:27 p.m. ET. Its AIS destination field reads CA THU. That time is a BoatNerd estimate, not a confirmed arrival or lock transit. The latest BoatNerd passage lists for 7 watch points held 71 distinct vessels with reports from the last 24 hours.
Soo Locks: ROBERT S. PIERSON, upbound, was reported at 9 Mile Point at 10:12 a.m. ET; BoatNerd estimates it at Soo Locks around 11:29 a.m. ET. Its AIS destination field reads SOO. WILFRED SYKES, upbound, was reported at Detour at 9:08 a.m. ET; BoatNerd estimates it at Soo Locks around 9:20 p.m. ET. Its AIS destination field reads DRUMMOND ISLAND. MESABI MINER, upbound, was reported at Soo Locks at 8:54 a.m. ET. Its AIS destination field reads TWO HARBORS.
Port Huron / St. Clair River: EVOLUTION, upbound, was reported at Crib Light at 10:05 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 2:29 p.m. ET. Its AIS destination field reads UNKNOWN. WILF SEYMOUR, upbound, was reported at Vantage Point / Port Huron at 9:33 a.m. ET. Its AIS destination field reads TOLEDO. FEDERAL YUKINA, downbound, was reported at Harbor Beach at 9:27 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 1:21 p.m. ET. Its AIS destination field reads US DET.
Detroit River: THUNDER BAY, upbound, was reported at South East Shoal at 10:14 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 3:20 p.m. ET. Its AIS destination field reads WINDSOR. SEA DOZER, downbound, was reported at Dossin Museum / Detroit at 10:01 a.m. ET. POLSTEAM ROS, downbound, was reported at Algonac at 9:02 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 11:48 a.m. ET. Its AIS destination field reads CA MTR.
Welland Canal: ALGOTERRA, inbound, was reported at Port Weller at 10:14 a.m. ET. Its AIS destination field reads CA SNI. FWN SUN, outbound, was reported at Port Weller at 9:06 a.m. ET. FEDERAL CLYDE, inbound, was reported at Port Weller at 4:06 a.m. ET. Its AIS destination field reads USCLE.
Straits of Mackinac: WYANDOT, eastbound, was reported at Straits of Mackinac at 9:46 a.m. ET. ALGOMA ENDEAVOUR, westbound, was reported at Straits of Mackinac at 8:58 a.m. ET. Its AIS destination field reads INDIANA HBR. ALBERT, eastbound, was reported at Straits of Mackinac at 8:28 a.m. ET. Its AIS destination field reads CHEBOYGAN.
Duluth / Superior: JOHN J. BOLAND, inbound, was reported at 1 Hour From Duluth at 9:46 a.m. ET; BoatNerd estimates it at Duluth / Superior around 10:36 a.m. ET. Its AIS destination field reads DULUTH. R V PRESERVATION, outbound, was reported at Duluth Piers at 9:46 a.m. ET. MERMORIES MADE, upbound, was reported at Bark Point at 8:45 a.m. ET; BoatNerd estimates it at Duluth / Superior around 3:58 p.m. ET.
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: 0.971 ft above Low Water Datum at 10:06 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.804 ft above Low Water Datum at 10:12 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.69 ft above Low Water Datum at 10:12 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.906 ft above Low Water Datum at 10:06 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.74 ft above Low Water Datum at 10:12 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.457 ft above Low Water Datum at 10:06 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: "A 30.3 inch high shifts from northern Quebec to the Canadian Maritimes today while a 29.3 inch low spins over Nunavut and a 29.5 inch nor'easter weakens to 29.7 inches over New Jersey. Lake Superior will remain under 30.1 inch ridging between these three features through Monday."
Lake Michigan, NWS forecast issued 9:45 a.m. ET: "High pressure of 30.1 inches will remain overhead through at least Monday, keeping the weather dry and winds on the lighter side early this week. Breezy southerly winds are expected Tuesday into Thursday, as high pressure departs to the east ahead of an approaching trough."
Lake Huron, NWS forecast issued 9:51 a.m. ET: "High pressure, 30.30 inches, holds over the Great Lakes through Tuesday. This will maintain light winds and dry weather through this period."
Lake Erie, NWS forecast issued 9:34 a.m. ET: "High pressure of 30.20 inches will persist over the Great Lakes through Tuesday before moving off to the east Tuesday night. A weak cold front will approach the region from the west Wednesday night."
Lake Ontario, NWS forecast issued 10:03 a.m. ET: "An expansive 30.3 inch high across Ontario and southern Quebec will drift to eastern Quebec and Labrador today. Meanwhile, 29.2 inch low pressure east of the Delmarva will move to near the Jersey shore and Long Island through tonight, then meander northeast along the New England coast Monday through Tuesday while gradually filling to 29.8 inches."