Water Temperature Table of the Great Lakes

IMPORTANT NOTICES:

  • The table below shows the near real-time and average water temperatures in degrees Fahrenheit (°F).
  • Clicking on the hyperlinked "Recent Temperatures" will display station information for the location.
  • Non-linked temperatures in the monthly columns are average water temperatures. (Complete List of Average Temperatures)
  • Use the near real-time water temperature data with discretion, because they may contain errors.

Water Temperature Table of the Great Lakes (Google Maps-based Web page)
Last Updated: Mon Dec 21, 20:31:56 UTC 2020
Location Recent
Temperatures
DEC JAN FEB MAR APR MAY JUN JUL
Buffalo, NY 39.6
(12/21/2020 20:18 UTC)
37.65 34.31 28.35 33.14 46.09 55.75 64.67 72.23
Cleveland, OH 41.2
(12/21/2020 20:18 UTC)
44.12 38.67 38.81 41.85 48.90 55.59 68.83 74.97
Marblehead, OH 36.3
(12/21/2020 20:18 UTC)
39.01 34.24 33.83 37.23 49.27 59.50 72.26 75.19
Toledo, OH 55.92 53.90 51.01 50.41 50.34 52.20 52.58 53.88
Harbor Beach, MI 36.5
(12/21/2020 20:18 UTC)
35.58 33.98 34.60 37.63 45.68 53.03 59.66 70.52
Alpena, MI
S.W.Pier, MI 37.8
(12/21/2020 20:18 UTC)
37.98 34.00 34.55 35.17 34.74 43.73 53.31 63.96
West Neebish
Island, MI
42.94 40.82 42.35 41.27 39.92 46.90 54.18 62.18
De Tour Village, MI 36.9
(12/21/2020 20:18 UTC)
30.25 27.94 27.44 31.02 39.14 48.36 59.98 64.91
Ludington, MI 49.52 45.91 44.79 42.98 48.17 52.10 56.65 59.27
Port Inland, MI 42.94 40.82 42.35 41.27 39.92 46.90 54.18 62.18
Oswego, NY 53.67 49.45 48.10 47.53 48.91 52.10 56.94 61.94
Point Iroquois, MI 41.10 41.51 42.80 42.27 44.76 46.96 52.96 56.22
Marquette C.G., MI 41.64 44.76 42.76 45.37 46.10 48.23 53.27 55.07
Rock Cut, MI 38.62 37.58 37.70 38.12 39.52 47.88 55.92 66.00
To convert temperature units, enter a number in either box below, then click the other box.
Temperature Conversion:  Deg. Fahrenheit (°F) = Deg.Celsius (°C)