What's New Dam removal leads to changes in river The West Side Leader (12/5) Two longtime dams on the Cuyahoga River in Akron, Ohio, were removed this year, and city officials said they are already seeing the positive results of the project.
Great Lakes continue to move toward normal levels Duluth News Tribune (12/3) Lake Superior declined a bit less than its usual 2-inch drop for November and sat just 2 inches below its long-term average for Dec. 1. The lake is now 13 inches above the Dec. 1 level in 2012.
Advocates, landowners debate Lake Ontario level The Wall Street Journal (11/29) Lake Ontario was described earlier this year as the most "environmentally stressed" of the five Great Lakes, according to a study led by researchers at the University of Michigan.
FEMA flood plain mapping near completion in north country Watertown Daily Times (11/25) Property owners along waterways in the north country of New York are expected to see changes in flood maps, availability and cost of insurance as FEMA works with NY Dept. of Environmental Conservation to collect adequate data
Temperatures throughout the Great Lakes basin were below average throughout last weekend. These cooler temperatures lingered through the week until they rose to slightly above average on Wednesday. The Great Lakes basin saw rain showers on Saturday, but precipitation was generally light last weekend and through the week until Wednesday night. Temperatures will range from average to slightly above average on Friday, but are expected to drop on Saturday and Sunday before rebounding to be near normal on Monday. Precipitation is predicted over the weekend in nearly the entire basin. There is a strong possibility that the Erie and Ontario basins could see rain on Friday, Saturday, and Sunday.
Water Level Conditions:
Lakes Superior and Michigan-Huron are 10 and 11 inches, respectively, above their levels of a year ago. Lakes St. Clair and Erie are each 5 inches above what they were at this time last year, while Lake Ontario is 11 inches above last year. Over the next month, the levels of Lake Superior and Lake Michigan-Huron are predicted to decline 3 and 1 inches, respectively. Lakes St. Clair, Erie and Ontario are projected to each drop 3 inches over the next 30 days. See our Daily Levels web page for more water level information.
See the Great Lakes Water Levels web page for more water level information.
Forecasted outflows / channel conditions:
Lake Superior’s outflow through the St. Mary’s River is projected to be above average for the month of November. Lake Huron’s outflow into the St. Clair River and Lake St. Clair’s outflow into the Detroit River are both expected to be below average throughout the month of November. The outflow of Lake Erie into the Niagara River is expected to be near average while the outflow of Lake Ontario into the St. Lawrence River is predicted to be above average in November.
Official records are based on monthly average water levels and not daily water levels. Lake Michigan-Huron is below chart datum and expected to remain below datum over the next several months. Users of the Great Lakes, connecting channels and St. Lawrence River should keep informed of current conditions before undertaking any activities that could be affected by changing water levels. Mariners should utilize navigation charts and refer to current water level readings.