World Water Levels

The Great Lakes

We follow 52 stations on the Great Lakes and the rivers between them. Of the 50 stations with a current reading and a normal range for the date, 1 station reads below that range and 3 stations above it. Furthest below normal: the Niagara River at Ashland Ave. Furthest above normal: the St. Lawrence River at Alexandria Bay. Data: .

Furthest below normal

PlaceReadingAgainst normalChange in a day
Ashland AveNiagara River96.897 m06:00 EDT on 5 October 2026low: lower than any day of these dates in 69 years+0.447 m

Furthest above normal

PlaceReadingAgainst normalChange in a day
Alexandria BaySt. Lawrence River74.775 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date+0.042 m
OlcottLake Ontario74.921 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date-0.021 m
RochesterLake Ontario74.927 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date+0.01 m

Waters of Great Lakes

WaterPlacesLow (places)High (places)
Detroit Riverriver, United States400
Lake Erielake, United States800
Lake Huronlake, United States600
Lake Michiganlake, United States900
Lake Ontariolake, United States402
Lake St. Clairlake, United States100
Lake Superiorlake, United States500
Niagara Riverriver, United States310
St. Clair Riverriver, United States500
St. Lawrence Riverriver, United States201
St. Marys Riverriver, United States500

Places A to Z

PlaceReadingAgainst normalChange in a day
Fort WayneDetroit River174.935 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.067 m
GibraltarDetroit River174.478 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.034 m
Windmill PointDetroit River175.141 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.072 m
WyandotteDetroit River174.821 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.061 m
BuffaloLake Erie174.261 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.013 m
ClevelandLake Erie174.314 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.018 m
ErieLake Erie174.283 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.007 m
FairportLake Erie174.301 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.003 m
Fermi Power PlantLake Erie174.313 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.05 m
MarbleheadLake Erie174.267 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.047 m
Sturgeon PointLake Erie174.29 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.046 m
ToledoLake Erie174.325 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.038 m
AlpenaLake Huron176.455 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.019 m
De Tour VillageLake Huron176.394 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.083 m
EssexvilleLake Huron176.52 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.192 m
Harbor BeachLake Huron176.595 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.121 m
LakeportLake Huron176.569 m00:00 EDT on 23 September 2026
Mackinaw CityLake Huron176.362 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.206 m
Calumet HarborLake Michigan176.523 m05:00 CDT on 5 October 2026normal: within the normal range for the date+0.035 m
Green Bay EastLake Michigan176.525 m05:00 CDT on 5 October 2026+0.059 m
HollandLake Michigan176.504 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.014 m
KewauneeLake Michigan176.429 m05:00 CDT on 5 October 2026normal: within the normal range for the date-0.127 m
LudingtonLake Michigan176.48 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.105 m
MenomineeLake Michigan176.462 m05:00 CDT on 5 October 2026normal: within the normal range for the date-0.042 m
MilwaukeeLake Michigan176.504 m05:00 CDT on 5 October 2026normal: within the normal range for the date+0.02 m
Port InlandLake Michigan176.374 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.22 m
Sturgeon Bay CanalLake Michigan176.424 m05:00 CDT on 5 October 2026normal: within the normal range for the date-0.121 m
Cape VincentLake Ontario74.886 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.013 m
OlcottLake Ontario74.921 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date-0.021 m
OswegoLake Ontario74.946 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.048 m
RochesterLake Ontario74.927 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date+0.01 m
St Clair ShoresLake St. Clair175.198 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.077 m
DuluthLake Superior183.46 m05:00 CDT on 5 October 2026normal: within the normal range for the date+0.083 m
Grand MaraisLake Superior183.412 m05:00 CDT on 5 October 2026normal: within the normal range for the date+0.007 m
Marquette C.G.Lake Superior183.498 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.005 m
OntonagonLake Superior183.467 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.019 m
Point IroquoisLake Superior183.566 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.102 m
American FallsNiagara River170.496 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.027 m
Ashland AveNiagara River96.897 m06:00 EDT on 5 October 2026low: lower than any day of these dates in 69 years+0.447 m
Niagara IntakeNiagara River171.316 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.037 m
AlgonacSt. Clair River175.427 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.005 m
Dry DockSt. Clair River176.229 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.114 m
Fort GratiotSt. Clair River176.584 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.183 m
Mouth of the Black RiverSt. Clair River176.334 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.141 m
St. Clair State PoliceSt. Clair River175.834 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.024 m
Alexandria BaySt. Lawrence River74.775 m06:00 EDT on 5 October 2026high: in the highest 10 percent for the date+0.042 m
OgdensburgSt. Lawrence River74.604 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.083 m
Little RapidsSt. Marys River176.632 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.15 m
Rock CutSt. Marys River176.396 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.184 m
S.W. PierSt. Marys River183.453 m06:00 EDT on 5 October 2026normal: within the normal range for the date+0.119 m
U.S. SlipSt. Marys River176.685 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.151 m
West Neebish IslandSt. Marys River176.478 m06:00 EDT on 5 October 2026normal: within the normal range for the date-0.14 m

Countries