Lake Saint Clair Water Temperature

(Today) 2025

23.7°C / 74.7°F

The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.

*Live data from Lake St Clair: 23.6°C / 74.5°F

Current weather

21°C / 70°F
(clear sky)
Partly cloudy
Wind
7 mph
Humidity
69%

The measurements for the water temperature in Lake Saint Clair, Michigan are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Lake Saint Clair water temperature derived from many years of historical sea surface temperature data.

Lake Saint Clair average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Lake Saint Clair
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.1 -0.3 -0.1 0.7 4 10.2 19.2 21.6 18.2 11.5 6.1 1.5
Max °C 2.9 0.9 1.3 5.9 11 21.4 25.6 24.9 23.4 19.4 12.9 7.2
Min °F 33 31.9 32.5 35.3 42 54.8 69.1 72.2 66.8 55.8 45.7 36.9
Max °F 36 33.1 33.8 40.5 49 66 75.5 75.5 72 63.7 52.5 42.6

The warmest water temperature is in August with an average around 73.8°F / 23.2°C. The coldest month is February with an average water temperature of 32.5°F / 0.3°C.

7 day tide forecast for Lake Saint Clair

SatSunMonTueWedThuFri
  • High 3:42am
    (1.05m)
  • Low 10:59am
    (0.15m)
  • High 4:20pm
    (0.84m)
  • Low 10:35pm
    (0.11m)
  • High 4:44am
    (1.06m)
  • Low 12:05pm
    (0.13m)
  • High 5:27pm
    (0.84m)
  • Low 11:43pm
    (0.12m)
  • High 5:47am
    (1.07m)
  • Low 1:07pm
    (0.1m)
  • High 6:31pm
    (0.85m)
  • Low 12:52am
    (0.11m)
  • High 6:49am
    (1.07m)
  • Low 2:06pm
    (0.07m)
  • High 7:31pm
    (0.87m)
  • Low 1:57am
    (0.1m)
  • High 7:48am
    (1.07m)
  • Low 3:00pm
    (0.05m)
  • High 8:26pm
    (0.9m)
  • Low 2:56am
    (0.08m)
  • High 8:43am
    (1.07m)
  • Low 3:50pm
    (0.03m)
  • High 9:19pm
    (0.93m)
  • Low 3:51am
    (0.06m)
  • High 9:36am
    (1.07m)
  • Low 4:38pm
    (0.02m)
  • High 10:08pm
    (0.95m)
7 day tide times for Lake Saint Clair

*These tide times are estimates based on the nearest accurate location (Chain Bridge, D.C.) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.