Find ice information at National Ice Center’s website. Mariners should use navigation charts and refer to current water level readings. Lawrence River users should keep informed of current conditions before undertaking any activities affected by changing water levels. Great Lakes, connecting channels, and St. Official records are based on monthly average water levels and not daily water levels. Water levels at specific locations may differ due to meteorological influences. Water levels shown are still-water surface elevations over the entire lake surface. Lawrence River are projected to be above average in September as well. Clair outflow through the Detroit River, Lake Erie outflow through the Niagara River, and Lake Ontario outflow through the St. Clair River are projected to be above average for September. Marys River and Lake Michigan-Huron’s outflow into the St. įORECASTED MONTHLY OUTFLOWS/CHANNEL CONDITIONS See our Daily Levels web page for more water level information. Clair, Erie, and Ontario are expected to decline by 6 to 7 inches. By October 1 st, Lakes Superior and Michigan-Huron are forecast to drop 2 to 3 inches, while Lakes St. All lakes are 5 to 17 inches above their long-term September average levels. Lake Michigan-Huron is 3 inches below its level from one year ago. Clair, Erie, and Ontario are above their levels from last year by 1, 4, 4, and 14 inches, respectively. Water levels projected for September 1 st on Lakes Superior, St. However, over the next week little rain is forecast as hot and dry weather is expected.įorecasted water levels for September 1 st are within an inch of their levels from one month ago on all lakes, except Lake Ontario, which is 4 inches below its level from last month. On Tuesday, a cold front passed across the Great Lakes basin bringing additional showers and thunderstorms. Severe weather was an issue toward the end of last week in Southeast Michigan, where 6 tornadoes were confirmed the night of Thursday August 24 th as a line of thunderstorms moved across the region. High temperatures near 90 degrees Fahrenheit are forecast for many locations across the Great Lakes region beginning this weekend and lasting into the middle of next week. However, cooler temperatures will leave the region by the end of the week, as hot temperatures are expected over the holiday weekend. Clair River and the Lower Detroit River, any vessel overtaking a tug with a tow moving in the same direction may pass such tow after an. Temperatures over the past week have been below normal across the Great Lakes basin, with some overnight low temperatures getting down into the low 40s degrees Fahrenheit in some areas of the Upper Peninsula of Michigan. ARMY CORPS OF ENGINEERS WEEKLY GREAT LAKES WATER LEVEL UPDATE
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