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: "Lake Superior is currently under a 29.9 inch trough associated with a 29.5 inch Colorado Low. To the north, a 30.4 inch high is sprawled out over central Canada." The latest BoatNerd passage lists for 7 watch points held 55 distinct vessels with reports from the last 24 hours.
Soo Locks: LEE A. TREGURTHA, downbound, was reported at Point Iroquois at 1:47 p.m. ET; BoatNerd estimates it at Soo Locks around 3:06 p.m. ET. Its AIS destination field reads INDIANA HARBOR. PAUL R TREGURTHA, downbound, was reported at Soo Locks at 12:53 p.m. ET. Its AIS destination field reads TOLEDO. PRESQUE ISLE, upbound, was reported at Soo Locks at 11:04 a.m. ET. Its AIS destination field reads TWO HARBORS.
Port Huron / St. Clair River: ORCHID MADEIRA, upbound, was reported at Grassy Island at 1:37 p.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 7:05 p.m. ET. Its AIS destination field reads CA SNI. POLSTEAM PILE, downbound, was reported at Vantage Point / Port Huron at 12:45 p.m. ET. Its AIS destination field reads CA MTR. ALGOMA STRONGFIELD, upbound, was reported at Vantage Point / Port Huron at 10:45 a.m. ET. Its AIS destination field reads THUNDER BAY.
Detroit River: PALE RIDER, downbound, was reported at Vantage Point / Port Huron at 2:14 p.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 8:23 p.m. ET. Its AIS destination field reads UNKNOWN. ALGOTERRA, upbound, was reported at South East Shoal at 11:51 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 4:34 p.m. ET. Its AIS destination field reads SARNIA. NICE SHOOZZZ, downbound, was reported at Dossin Museum / Detroit at 9:52 a.m. ET. Its AIS destination field reads UNKNOWN.
Welland Canal: ALGOTITAN, outbound, was reported at Port Weller at 1:10 p.m. ET. Its AIS destination field reads CASEI. HINCH SPIRIT, outbound, was reported at Port Weller at 4:05 a.m. ET. Its AIS destination field reads CAMTR.
Straits of Mackinac: SAGINAW, eastbound, was reported at Straits of Mackinac at 1:41 p.m. ET. Its AIS destination field reads DRUMMOND. ALPENA, westbound, was reported at Straits of Mackinac at 12:41 p.m. ET. Its AIS destination field reads GREEN BAY. EDWIN H. GOTT, westbound, was reported at Straits of Mackinac at 11:56 a.m. ET. Its AIS destination field reads GARY.
Duluth / Superior: BURNS HARBOR, outbound, was reported at Duluth Piers at 12:52 a.m. ET. Its AIS destination field reads DULUTH. VISTA STAR, inbound, was reported at Duluth Piers at 5:02 p.m. ET Oct. 11. Its AIS destination field reads DULUTH. UNDERDOG, inbound, was reported at Duluth Piers at 3:00 p.m. ET Oct. 11.
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: 0.689 ft above Low Water Datum at 2:06 p.m. ET, preliminary data.
Holland (Lake Michigan), NOAA station 9087031: 1.558 ft above Low Water Datum at 2:06 p.m. ET, preliminary data.
Harbor Beach (Lake Huron), NOAA station 9075014: 1.509 ft above Low Water Datum at 2:06 p.m. ET, preliminary data.
Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.496 ft above Low Water Datum at 2:06 p.m. ET, preliminary data.
Fairport (Lake Erie), NOAA station 9063053: 2.421 ft above Low Water Datum at 2:06 p.m. ET, preliminary data.
Oswego (Lake Ontario), NOAA station 9052030: 2.133 ft above Low Water Datum at 2:06 p.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: "Lake Superior is currently under a 29.9 inch trough associated with a 29.5 inch Colorado Low. To the north, a 30.4 inch high is sprawled out over central Canada."
Lake Michigan, NWS forecast issued 10:02 a.m. ET: "Broad low pressure around 29.5 inches over the central Plains to Minnesota will drive south-southwesterly winds through today. This low is expected to lift into central Wisconsin by this evening."
Lake Huron, NWS forecast issued 9:58 a.m. ET: "Low pressure, 29.60 inches, will then push from the central Plains into the Great Lakes tomorrow morning, bringing the next potential for rain showers and isolated thunderstorms. Departure of this system will then facilitate the passage of a cold front Wednesday morning, bringing breezy northwest flow across northern Lake Huron."
Lake Erie, NWS forecast issued 9:21 a.m. ET: "High pressure 30.00 inches builds to the south of Lake Erie today and persists through Tuesday. Low pressure 29.70 inches moves through the Great Lakes late Tuesday with a cold front sweeping across the lake early Wednesday."
Lake Ontario, NWS forecast issued 10:02 a.m. ET: "A ridge averaging 29.9 inches will slide eastward across the lower Great Lakes today before exiting eastward tonight. A cold front will sweep southeast across the lake on Tuesday."