Open Water Data

Pier 4

Hamilton, Ontario, Canada

Data Sources
  • E. coli
    PASS 11mpn (5 samples) Thu, May 28, 2026 at 10:00am
  • Water Quality Status
    Passed tests Thu, May 28, 2026 at 10:00am
  • Water Temperature
    14°C / 57.2°F (water) Thu, May 28, 2026 at 10:00am
  • Air Temperature
    12°C / 53.6°F (air) Sat, May 30, 2026 at 8:00am
  • Wind
    19.1 - 23.4km/h NNE 33° Sat, May 30, 2026 at 8:00am
  • Sunny
    Sunny Sat, May 30, 2026 at 8:00am
  • Precipitation
    0mm Sat, May 30, 2026 at 8:00am
  • Air Visibility
    10km Sat, May 30, 2026 at 8:00am
  • Humidity
    61% Sat, May 30, 2026 at 8:00am
  • Clarity
    Cleary Thu, May 28, 2026 at 10:00am

Pier 4, like Bayfront Park, is one of Lake Ontario's youngest waterfront areas. The park itself was opened in 1993. It was a $9-million transformation of once industrial land into greenspace. The family-friendly beach sits beside one of Hamilton Harbour's popular recreational boating facilities. This giant bay was once an incredibly lush ecosystem but heavy use and fill by industry over the last century has left it one of the most environmentally challenged parts of Lake Ontario. As local government and residents work to restore the bay, places like Bayfront Park appear.

Oh, and you may want to know that there have been (very) occasional sightings of a cryptid - so keep your eyes peeled for Lake Ontario's own lake monster!

The description above was copied from or heavily based on Swim Guide, with permission.

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