Cornwall Water Temperature

(Today) 2023

16.8°C / 62.3°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

7°C / 44°F
(clear sky)
Partly cloudy
Wind
5 mph
Humidity
92%

The measurements for the water temperature in Cornwall, Prince Edward Island 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.

Water temp by month

Monthly average max / min water temperatures

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

Cornwall average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Cornwall
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.3 -2.2 -2 -1.9 0.7 7.1 13.5 16.3 12.9 9 4.2 -1
Max °C 2.7 -0.5 -0.7 2.3 8.7 13.9 19.4 20.2 18.2 14.7 10 7.4
Min °F 29.9 28.9 29.1 30.4 36.5 47.5 58.6 62.9 57.3 50.4 41.9 33.7
Max °F 34.9 30.6 30.4 34.5 44.5 54.3 64.5 66.8 62.6 56.1 47.7 42

The warmest water temperature is in August with an average around 64.8°F / 18.2°C. The coldest month is February with an average water temperature of 29.7°F / -1.3°C.

7 day tide forecast for Cornwall

TueWedThuFriSatSunMon
  • Low 1:44am
    (1.46m)
  • High 7:34am
    (2.43m)
  • Low 2:49pm
    (0.63m)
  • High 9:33pm
    (2.26m)
  • Low 3:12am
    (1.3m)
  • High 9:01am
    (2.49m)
  • Low 3:55pm
    (0.56m)
  • High 10:25pm
    (2.4m)
  • Low 4:20am
    (1.06m)
  • High 10:17am
    (2.59m)
  • Low 4:50pm
    (0.5m)
  • High 11:11pm
    (2.54m)
  • Low 5:17am
    (0.79m)
  • High 11:21am
    (2.7m)
  • Low 5:40pm
    (0.48m)
  • High 11:54pm
    (2.64m)
  • Low 6:06am
    (0.56m)
  • High 12:16pm
    (2.79m)
  • Low 6:26pm
    (0.51m)
  • High 12:33am
    (2.7m)
  • Low 6:52am
    (0.37m)
  • High 1:07pm
    (2.83m)
  • Low 7:10pm
    (0.61m)
  • High 1:10am
    (2.7m)
  • Low 7:36am
    (0.26m)
  • High 1:55pm
    (2.8m)
  • Low 7:53pm
    (0.77m)
7 day tide times for Cornwall

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