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. An AI model chose which verified item leads; it wrote none of the text. 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 Michigan issued 9:59 a.m. ET carries a Gale Warning. Lake Michigan, NWS forecast issued 9:59 a.m. ET: "South to southwest winds will continue to increase to gale level this afternoon and evening across the northern two thirds of the lake as low pressure around 29.4 inches tracks across northern Ontario. Gales to 40 kts are expected." The latest BoatNerd passage lists for 7 watch points held 66 distinct vessels with reports from the last 24 hours.
Soo Locks: ALGOMA HARVESTER, upbound, was reported at Soo Locks at 11:18 a.m. ET. Its AIS destination field reads THUUNDER BAY. STEWART J CORT, upbound, was reported at Soo Locks at 11:02 a.m. ET. Its AIS destination field reads SUPERIOR. COLORADO, upbound, was reported at Soo Locks at 10:51 a.m. ET. Its AIS destination field reads SOO.
Port Huron / St. Clair River: VICTORY, downbound, was reported at Harbor Beach at 10:54 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 4:06 p.m. ET. Its AIS destination field reads ERIE PA. DIRK S. VANENKEVORT, downbound, was reported at Harbor Beach at 10:38 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 3:50 p.m. ET. Its AIS destination field reads TOLEDO. AMERICAN MARINER, upbound, was reported at Dossin Museum / Detroit at 10:33 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 3:44 p.m. ET. Its AIS destination field reads CALCITE.
Detroit River: ALGOMA SAULT, downbound, was reported at Crib Light at 11:28 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 12:36 p.m. ET. Its AIS destination field reads TOLEDO. TILIKUM 3, downbound, was reported at Dossin Museum / Detroit at 11:25 a.m. ET. ALGOMA NIAGARA, downbound, was reported at Algonac at 11:10 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 1:53 p.m. ET. Its AIS destination field reads HAMILTON.
Welland Canal: FLORENCE SPIRIT, inbound, was reported at Port Weller at 11:28 a.m. ET. Its AIS destination field reads DETROIT. ALGOBERTA, inbound, was reported at Port Weller at 10:52 a.m. ET. Its AIS destination field reads CASNI. CAPE_EDENSAW, inbound, was reported at Port Weller at 10:21 a.m. ET.
Straits of Mackinac: C- BIRD2, eastbound, was reported at Straits of Mackinac at 9:51 a.m. ET. WYANDOT, eastbound, was reported at Straits of Mackinac at 9:48 a.m. ET. GL OSTRANDER, eastbound, was reported at Straits of Mackinac at 8:07 a.m. ET. Its AIS destination field reads ALPENA.
Duluth / Superior: CLYDE S VANENKEVORT, inbound, was reported at 1 Hour From Duluth at 11:24 a.m. ET; BoatNerd estimates it at Duluth / Superior around 12:18 p.m. ET. Its AIS destination field reads SUPERIOR. JOSEPH L BLOCK, upbound, was reported at Bark Point at 10:54 a.m. ET; BoatNerd estimates it at Duluth / Superior around 2:07 p.m. ET. Its AIS destination field reads DULUTH MN. INDIANA HARBOR, outbound, was reported at Duluth Piers at 3:43 a.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: 0.679 ft above Low Water Datum at 11:18 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.588 ft above Low Water Datum at 11:18 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.657 ft above Low Water Datum at 11:18 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.647 ft above Low Water Datum at 11:18 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.608 ft above Low Water Datum at 11:18 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.28 ft above Low Water Datum at 11:18 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 10:03 a.m. ET: "A 29.5 inch low moving over far northern Ontario at 29.4 inches this evening will bring 29.6 inch troughing over Lake Superior this afternoon. Troughing will weaken to 29.7 inches over the lake through Wednesday."
Lake Michigan, NWS forecast issued 9:59 a.m. ET: "South to southwest winds will continue to increase to gale level this afternoon and evening across the northern two thirds of the lake as low pressure around 29.4 inches tracks across northern Ontario. Gales to 40 kts are expected."
Lake Huron, NWS forecast issued 9:42 a.m. ET: "High pressure, 30.20 inches, drifts over the central Great Lakes through Tuesday morning. Low pressure sliding over northern Ontario results in stronger southwest winds Tuesday."
Lake Erie, NWS forecast issued 9:45 a.m. ET: "High pressure 30.25 inches will persist over Lake Erie through tonight before shifting east to the Mid-Atlantic region Wednesday. A cold front with pressure of 29.80 inches will cross Lake Erie Wednesday night into early Thursday."
Lake Ontario, NWS forecast issued 10:04 a.m. ET: "A 30.2 inch high will build east across the Mid-Alantic region today, then slide out to sea tonight through Wednesday. A cold front will then pass across the lake Thursday."