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 10:01 a.m. ET carries a Gale Warning. Lake Superior, NWS forecast issued 10:01 a.m. ET: "A 29.7 inch low over northeast Ontario this morning will deepen to 29.5 inches over northern Quebec by Monday morning. As this low departs, 30.3 inch high pressure over the northern Plains today will shift east to to the Great Lakes on Monday." The latest BoatNerd passage lists for 7 watch points held 70 distinct vessels with reports from the last 24 hours.
Soo Locks: JOSEPH L BLOCK, upbound, was reported at Detour at 8:05 a.m. ET; BoatNerd estimates it at Soo Locks around 11:34 a.m. ET. POLSTEAM PILE, upbound, was reported at Detour at 7:23 a.m. ET; BoatNerd estimates it at Soo Locks around 12:03 p.m. ET. Its AIS destination field reads CATHU. LIMNOS, downbound, was reported at Soo Locks at 7:14 a.m. ET. Its AIS destination field reads SCI OPS.
Port Huron / St. Clair River: BBC PHILIPPINES, upbound, was reported at Algonac at 10:25 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 12:28 p.m. ET. Its AIS destination field reads USSUE. LILA MONTREAL, upbound, was reported at Dossin Museum / Detroit at 10:22 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 3:09 p.m. ET. Its AIS destination field reads CA SNI. IVER BRIGHT, upbound, was reported at Crib Light at 10:16 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 1:10 p.m. ET. Its AIS destination field reads CASNI.
Detroit River: PUNA, downbound, was reported at Crib Light at 10:25 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 11:38 a.m. ET. Its AIS destination field reads CA MTR. ALGOMA ENDEAVOUR, downbound, was reported at Dossin Museum / Detroit at 10:13 a.m. ET. Its AIS destination field reads DETROIT. PRESQUE ISLE, upbound, was reported at South East Shoal at 10:05 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 3:11 p.m. ET. Its AIS destination field reads TWO HARBORS.
Welland Canal: ALGOTERRA, outbound, was reported at Port Weller at 9:43 a.m. ET. Its AIS destination field reads TRACY. ALGOMA CONVEYOR, outbound, was reported at Port Weller at 8:33 a.m. ET. Its AIS destination field reads BAIE COMEAU. ALGOMA HARVESTER, inbound, was reported at Port Weller at 8:07 a.m. ET. Its AIS destination field reads THUUNDER BAY.
Straits of Mackinac: JOHN J. BOLAND, westbound, was reported at Straits of Mackinac at 10:25 a.m. ET. Its AIS destination field reads BUFFINGTON HARBOR. ALPENA, westbound, was reported at Straits of Mackinac at 10:19 a.m. ET. Its AIS destination field reads GREEN BAY. PAUL R TREGURTHA, westbound, was reported at Straits of Mackinac at 9:27 a.m. ET. Its AIS destination field reads INDY HBR.
Duluth / Superior: HON JAMES L OBERSTAR, inbound, was reported at Duluth Piers at 10:17 a.m. ET. Its AIS destination field reads DULUTH. ALGOMA COMPASS, inbound, was reported at Superior Entry at 9:10 a.m. ET. Its AIS destination field reads SUPERIOR. RT HON PAUL J MARTIN, inbound, was reported at 1 Hour From Superior at 8:44 a.m. ET. Its AIS destination field reads SUPERIOR.
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: 0.922 ft above Low Water Datum at 10:12 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.867 ft above Low Water Datum at 10:18 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.407 ft above Low Water Datum at 10:18 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.086 ft above Low Water Datum at 10:18 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.546 ft above Low Water Datum at 10:18 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.31 ft above Low Water Datum at 10:12 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 29.7 inch low over northeast Ontario this morning will deepen to 29.5 inches over northern Quebec by Monday morning. As this low departs, 30.3 inch high pressure over the northern Plains today will shift east to to the Great Lakes on Monday."
Lake Michigan, NWS forecast issued 9:54 a.m. ET: "Low pressure will move across southern Canada today and deepen to 29.4 inches, approaching James Bay by late this afternoon. A cold front moving across the region this morning will exit to the east of Lake Michigan by midday."
Lake Huron, NWS forecast issued 10:03 a.m. ET: "High pressure, 30.30 inches, will quickly exit east of the region Tonight. Low pressure of 29.62 inches then tracks east across southern Ontario Tonight into Sunday, intensifying to around 29.44 inches as it tracks east across the James Bay area Sunday night."
Lake Erie, NWS forecast issued 9:52 a.m. ET: "A cold front will cross the lake today before high pressure 30.40 builds over the lake Monday and Tuesday. The high will drift east Wednesday, allowing a cold front to approach from the west through Thursday."
Lake Ontario, NWS forecast issued 10:01 a.m. ET: "A 29.7 inch low over northwest Ontario will deepen to 29.4 inches as it slides just south of James Bay over central Quebec tonight, while sending a pair of cold fronts across the Lake. A 30.2 inch high over the upper Midwest will then build across the Great Lakes Monday into Tuesday, before sliding into the Northeast Wednesday."