Vol. I  ·  Friday, November 6, 2026

NWS Posts Gale Warning for Lake Michigan

Published by Chris Izworski  ·  Founder, Great Lakes Gazette  ·  Nov 6, 2026

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.

46 vessels from BoatNerd's latest passage lists, 6 NOAA gauges and 5 NWS lake forecasts, each with its source time.

The NWS forecast for Lake Michigan issued 9:39 a.m. ET carries a Gale Warning. Lake Michigan, NWS forecast issued 9:39 a.m. ET: "Breezy northerly winds continue as a tight pressure gradient remains over Lake Michigan between low pressure of 29.8 inches over Lake Huron and high pressure of 30.3 inches over the northern Plains. Northerly gales around 35 kt are expected to linger through this afternoon as the pressure gradient remains over the lake, and a Gale Warning remains in effect." The latest BoatNerd passage lists for 7 watch points held 46 distinct vessels with reports from the last 24 hours.

At the Watch Points

Soo Locks: AMERICAN MARINER, upbound, was reported at 9 Mile Point at 11:22 a.m. ET; BoatNerd estimates it at Soo Locks around 12:25 p.m. ET. Its AIS destination field reads THUNDER BAY. ALGOMA INNOVATOR, upbound, was reported at Detour at 11:14 a.m. ET; BoatNerd estimates it at Soo Locks around 2:50 p.m. ET. Its AIS destination field reads THUNDER BAY. HON JAMES L OBERSTAR, downbound, was reported at Soo Locks at 11:02 a.m. ET. Its AIS destination field reads TOLEDO.

Port Huron / St. Clair River: LEO A. MCARTHUR, upbound, was reported at St. Clair at 11:54 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 1:24 p.m. ET. Its AIS destination field reads SARNIA. PAUL R TREGURTHA, upbound, was reported at Crib Light at 11:13 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 2:30 p.m. ET. Its AIS destination field reads DULUTH. COVE ISLE, upbound, was reported at Crib Light at 10:26 a.m. ET; BoatNerd estimates it at Vantage Point / Port Huron around 2:29 p.m. ET. Its AIS destination field reads NAVAIDS MAINTENANCE.

Detroit River: KAMINISTIQUA, downbound, was reported at Algonac at 11:56 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 2:47 p.m. ET. Its AIS destination field reads SOREL. ALPENA, downbound, was reported at Crib Light at 11:50 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 1:00 p.m. ET. Its AIS destination field reads DETROIT. CANDACE ELISE, downbound, was reported at Algonac at 8:25 a.m. ET; BoatNerd estimates it at Dossin Museum / Detroit around 12:09 p.m. ET.

Welland Canal: FLORENCE SPIRIT, inbound, was reported at Port Weller at 11:43 a.m. ET. WHITEFISH BAY, inbound, was reported at Port Weller at 3:44 a.m. ET. Its AIS destination field reads THUNDER BAY. CSL LAURENTIEN, inbound, was reported at Port Weller at 11:18 p.m. ET Nov. 5. Its AIS destination field reads WINDSOR.

Straits of Mackinac: PRESQUE ISLE, westbound, was reported at Straits of Mackinac at 11:11 a.m. ET. Its AIS destination field reads GARY. OLIVE L. MOORE, eastbound, was reported at Straits of Mackinac at 9:59 a.m. ET. Its AIS destination field reads SOO EXPORT DOCK. THUNDER BAY, eastbound, was reported at Straits of Mackinac at 9:54 a.m. ET. Its AIS destination field reads SEPT ILES.

Duluth / Superior: no vessel reports from the last 24 hours were returned. That does not mean the waterway is empty.

Saginaw: no vessel reports from the last 24 hours were returned. That does not mean the waterway is empty.

The Levels Ledger

Marquette C.G. (Lake Superior), NOAA station 9099018: 1.07 ft above Low Water Datum at 11:48 a.m. ET, preliminary data.

Holland (Lake Michigan), NOAA station 9087031: 1.624 ft above Low Water Datum at 11:48 a.m. ET, preliminary data.

Harbor Beach (Lake Huron), NOAA station 9075014: 1.447 ft above Low Water Datum at 11:48 a.m. ET, preliminary data.

Essexville (Saginaw Bay, Lake Huron), NOAA station 9075035: 1.663 ft above Low Water Datum at 11:48 a.m. ET, preliminary data.

Fairport (Lake Erie), NOAA station 9063053: 2.349 ft above Low Water Datum at 11:48 a.m. ET, preliminary data.

Oswego (Lake Ontario), NOAA station 9052030: 1.65 ft above Low Water Datum at 11:48 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.

Weather on the Water

Lake Superior, NWS forecast issued 10:01 a.m. ET: "This morning, a 30.3 inch high extends from northern Ontario to the Texas Panhandle while a 29.7 inch low moves over Labrador and extends surface troughing south across New England. Through tonight, the high will split, with a 30.3 inch high over Quebec and a 30.2 inch high over Missouri leaving 30.1 inch remnant ridging over the lake."

Lake Michigan, NWS forecast issued 9:39 a.m. ET: "Breezy northerly winds continue as a tight pressure gradient remains over Lake Michigan between low pressure of 29.8 inches over Lake Huron and high pressure of 30.3 inches over the northern Plains. Northerly gales around 35 kt are expected to linger through this afternoon as the pressure gradient remains over the lake, and a Gale Warning remains in effect."

Lake Huron, NWS forecast issued 9:45 a.m. ET: "A low pressure system will close off over central Lake Huron today around 29.70 inches. This will lead to a period of strong northerly winds over Lake Huron today and into Saturday as the low drifts slowly southward."

Lake Erie, NWS forecast issued 9:22 a.m. ET: "A cold front will swing east across the lake this morning before a trough averaging 29.90 inches will linger across the lake through Saturday. A ridge averaging 30.10 inches will build over the lake Saturday night through Sunday."

Lake Ontario, NWS forecast issued 10:02 a.m. ET: "A trough averaging 29.8 inches will impact the eastern Great Lakes through this weekend and into early next week. However, a narrow ridge of high pressure averaging 30.0 inches will move eastward across the eastern Great Lakes Saturday night."

Tomorrow's Watch Still ahead in BoatNerd's estimates: CANDACE ELISE at Dossin Museum / Detroit around 12:09 p.m. ET. That time is a BoatNerd estimate, not a confirmed arrival or lock transit.
About the Author
Chris Izworski is a Bay City, Michigan writer and the founder of the Great Lakes Gazette, a daily maritime news publication. He also publishes Michigan Trout Daily and operates the Michigan Trout Report.
Also by Chris Izworski