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 4:01 a.m. ET carries a Gale Warning. Lake Superior, NWS forecast issued 4:01 a.m. ET: "A 30.2 inch high pressure centered over central Ontario continues to moves east into Quebec by this afternoon. Meanwhile, a 29.9 inch low is moving into Manitoba, and another 29.9 inch low is developing over the southern Plains." The latest BoatNerd passage lists for 7 watch points held 59 distinct vessels with reports from the last 24 hours.
Soo Locks: PRESQUE ISLE, downbound, was reported at Point Iroquois at 9:08 a.m. ET; BoatNerd estimates it at Soo Locks around 10:21 a.m. ET. SHIRLEY ANN, downbound, was reported at Soo Locks at 7:30 a.m. ET. Its AIS destination field reads SAULT STE MARIE. VALERIE B, upbound, was reported at Soo Locks at 7:09 a.m. ET.
Port Huron / St. Clair River: ONTARIO VENTURE, upbound, was reported at Grassy Island at 9:35 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 3:54 p.m. ET. Its AIS destination field reads BRUCE MINES. 316010057 CA, upbound, was reported at Vantage Point / Port Huron at 9:33 a.m. ET. Its AIS destination field reads UNKNOWN. ROBERT S. PIERSON, upbound, was reported at Dossin Museum / Detroit at 9:29 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 6:37 p.m. ET. Its AIS destination field reads MELDRUM BAY.
Detroit River: ALBERT, upbound, was reported at South East Shoal at 9:43 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 4:54 p.m. ET. Its AIS destination field reads GREEN BAY. ALGOTERRA, downbound, was reported at Crib Light at 9:43 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 10:49 a.m. ET. Its AIS destination field reads TRACY. GL OSTRANDER, downbound, was reported at Dossin Museum / Detroit at 8:18 a.m. ET. Its AIS destination field reads DETROIT.
Welland Canal: ALGOSOLIS, inbound, was reported at Port Weller at 4:43 a.m. ET. Its AIS destination field reads CA NAN. FEDERAL BISCAY, inbound, was reported at Port Weller at 3:23 a.m. ET. TRINITYBORG, outbound, was reported at Port Weller at 2:53 a.m. ET. Its AIS destination field reads CAMTR.
Straits of Mackinac: JAMES R BARKER, eastbound, was reported at Straits of Mackinac at 9:25 a.m. ET. Its AIS destination field reads TWO HARBORS. KIMBERLY JOY, eastbound, was reported at Straits of Mackinac at 8:39 a.m. ET. Its AIS destination field reads ALPENA. STENHEIM, eastbound, was reported at Straits of Mackinac at 4:55 a.m. ET. Its AIS destination field reads CA MTR.
Duluth / Superior: H LEE WHITE, inbound, was reported at 1 Hour From Duluth at 9:22 a.m. ET; BoatNerd estimates it at Duluth / Superior around 10:13 a.m. ET. Its AIS destination field reads DULUTH. ALGOMA COMPASS, inbound, was reported at Duluth Piers at 8:42 a.m. ET. Its AIS destination field reads SUPERIOR. ALGOMA INTREPID, outbound, was reported at Duluth Piers at 5:01 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: 0.814 ft above Low Water Datum at 9:30 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.476 ft above Low Water Datum at 9:36 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.447 ft above Low Water Datum at 9:36 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.624 ft above Low Water Datum at 9:36 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.585 ft above Low Water Datum at 9:36 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.08 ft above Low Water Datum at 9:30 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 4:01 a.m. ET: "A 30.2 inch high pressure centered over central Ontario continues to moves east into Quebec by this afternoon. Meanwhile, a 29.9 inch low is moving into Manitoba, and another 29.9 inch low is developing over the southern Plains."
Lake Michigan, NWS forecast issued 3:36 a.m. ET: "Winds will gradually become easterly tonight as high pressure around 30.3 inches slides through the region. The stronger winds are expected across the southern half of the lake during this time."
Lake Huron, NWS forecast issued 9:39 a.m. ET: "High pressure, 30.30 inches, passes across the northern Great Lakes this morning. Low pressure is forecast to strengthen to 29.60 inches as it tracks across the central Great Lakes Thursday night and early Friday."
Lake Erie, NWS forecast issued 9:37 a.m. ET: "High pressure 30.10 inches builds off to the east of Lake Erie through the afternoon. A warm front will lift north across the lake late this evening as low pressure 29.60 inches moves into the Great Lakes."
Lake Ontario, NWS forecast issued 4:02 a.m. ET: "A 30.4 inch high will drift east across Quebec and New England through tonight. A 29.5 inch low will then move from southern lower Michigan tonight to just north of the lake Friday morning before reaching the Saint Lawrence Valley by late Friday afternoon."