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 29.6 inch low over southern Ontario this morning lifts to southern Quebec at 29.5 inches this afternoon. In its wake, a 30.8 inch high lifting off of the Central Rockies weakens to 30.6 inches today as it moves east over the Plains." The latest BoatNerd passage lists for 7 watch points held 52 distinct vessels with reports from the last 24 hours.
Soo Locks: VALERIE B, upbound, was reported at Soo Locks at 9:07 a.m. ET. SAGINAW, downbound, was reported at Soo Locks at 7:56 a.m. ET. Its AIS destination field reads MELDRUM BAY. SHIRLEY ANN, downbound, was reported at Soo Locks at 7:14 a.m. ET. Its AIS destination field reads SAULT STE MARIE.
Port Huron / St. Clair River: PRESQUE ISLE, downbound, was reported at Downbound 11 and 12 at 9:32 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 10:26 a.m. ET. KOZNITZA, upbound, was reported at St. Clair at 9:28 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 10:27 a.m. ET. Its AIS destination field reads CA THU. SHIPKA, upbound, was reported at Stag Island Upper at 9:03 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 9:42 a.m. ET. Its AIS destination field reads USMKE.
Detroit River: WHITEFISH BAY, downbound, was reported at Crib Light at 9:23 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 10:57 a.m. ET. Its AIS destination field reads QUEBEC CITY. VICTORY, upbound, was reported at South East Shoal at 9:19 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 3:13 p.m. ET. Its AIS destination field reads MONROE. AMERICAN SPIRIT, downbound, was reported at Crib Light at 9:02 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 10:57 a.m. ET. Its AIS destination field reads TOLEDO.
Welland Canal: FEDERAL HUDSON, inbound, was reported at Port Weller at 3:40 a.m. ET. Its AIS destination field reads USCLE. ALGOMA NIAGARA, inbound, was reported at Port Weller at 1:42 a.m. ET. Its AIS destination field reads THUNDER BAY. ALGOMA DISCOVERY, inbound, was reported at Port Weller at 1:18 a.m. ET. Its AIS destination field reads THUNDER BAY.
Straits of Mackinac: SAMUEL DE CHAMPLAIN, westbound, was reported at Straits of Mackinac at 7:23 a.m. ET. Its AIS destination field reads MILWAUKEE. ALPENA, eastbound, was reported at Straits of Mackinac at 2:52 a.m. ET. Its AIS destination field reads ALPENA. OLIVE L. MOORE, westbound, was reported at Straits of Mackinac at 9:58 p.m. ET Oct. 15. Its AIS destination field reads GRAND HAVEN.
Duluth / Superior: H LEE WHITE, outbound, was reported at Duluth Piers at 11:01 p.m. ET Oct. 15. Its AIS destination field reads THUNDER BAY. ALGOMA COMPASS, outbound, was reported at Duluth Piers at 10:34 p.m. ET Oct. 15. Its AIS destination field reads SUPERIOR. VISTA STAR, inbound, was reported at Duluth Piers at 7:33 p.m. ET Oct. 15. Its AIS destination field reads DULUTH.
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: 1.017 ft above Low Water Datum at 9:24 a.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.9 ft above Low Water Datum at 9:24 a.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.483 ft above Low Water Datum at 9:24 a.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.512 ft above Low Water Datum at 9:24 a.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.661 ft above Low Water Datum at 9:24 a.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 1.886 ft above Low Water Datum at 9:24 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 29.6 inch low over southern Ontario this morning lifts to southern Quebec at 29.5 inches this afternoon. In its wake, a 30.8 inch high lifting off of the Central Rockies weakens to 30.6 inches today as it moves east over the Plains."
Lake Michigan, NWS forecast issued 5:11 a.m. ET: "Low pressure of 29.7 inches over northeast IL will deepen to around 29.4 inches as it shifts into the eastern Great Lakes through today. Expect a northerly wind shift tonight to increase to high-end gales by late this morning as the low departs while a strong high pressure around 30.7 inches builds into the Plains."
Lake Huron, NWS forecast issued 3:44 a.m. ET: "Deepening low pressure tracks across the central Great Lakes this morning. A strong cold front in its wake brings northerly gales this afternoon and evening."
Lake Erie, NWS forecast issued 3:35 a.m. ET: "Low pressure 29.60 inches will extend a cold front through the area today, followed by high pressure 30.50 inches building late Saturday and persisting through mid-next week."
Lake Ontario, NWS forecast issued 4:02 a.m. ET: "A 29.5 inch low will move across southern Ontario province this morning, then continue to move northeast across the Saint Lawrence Valley this afternoon before reaching the Canadian Maritimes by Saturday while deepening to 29.1 inches. A 30.5 inch high will then build into the Ohio Valley Saturday night before expanding across the lower Great Lakes and New England Sunday through Monday."