Open Water Data

  • Water Temperature
    19°C / 66.2°F (water) Sat, Oct 4, 2025 at 9:27am
  • Air Temperature
    10.3°C / 50.5°F (air) Sun, May 24, 2026 at 12:00pm
  • Wind
    12.2 - 18.4km/h S 185° Sun, May 24, 2026 at 12:00pm
  • Wave
    0.3m, 4.2s, E 87° Sun, May 24, 2026 at 11:00am
  • Patchy rain nearby
    Patchy rain nearby Sun, May 24, 2026 at 12:00pm
  • Precipitation
    0mm Sun, May 24, 2026 at 12:00pm
  • Air Visibility
    10km Sun, May 24, 2026 at 12:00pm
  • Humidity
    98% Sun, May 24, 2026 at 12:00pm

Lakeside Park is situated along the shore of Lake Ontario in downtown Oakville.  The park is the site of two historic buildings – The Old Post Office and the Thomas House – and is across the street from the Oakville Museum at Erchless Estate.

The park is open every day from 7am - 10pm, and the LOST Swim Group starts open water swims from this beach every Saturday morning at 8am from early June until late September.

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