Environment Canada

  • Waves for Today Tonight and Tuesday. – Western Lake Ontario
    Waves 1 to 1.5 metres building to 2 to 3 this afternoon then subsiding to 1 to 1.5 near midnight. Waves subsiding to 0.5 to 1 early Tuesday morning then building to 1 to 1.5 Tuesday evening.Issued 10:30 AM EST 15 December 2025
  • Forecast for Today Tonight and Tuesday. – Western Lake Ontario
    Wind southwest 20 knots increasing to southwest 30 this afternoon then diminishing to west 20 this evening. Wind diminishing to west 15 late overnight then backing to southwest 15 Tuesday morning. Wind increasing to southwest 20 Tuesday afternoon and to southwest 25 Tuesday evening. Periods of snow ending this evening. Risk of freezing spray late […]
  • Waves for Today Tonight and Tuesday. – Eastern Lake Ontario
    Waves 1 to 1.5 metres building to 2 to 3 this afternoon then subsiding to 1 early Tuesday morning. Waves building to 1.5 Tuesday evening.Issued 10:30 AM EST 15 December 2025
  • Forecast for Today Tonight and Tuesday. – Eastern Lake Ontario
    Wind west 15 knots increasing to southwest 25 near noon and to southwest 30 this afternoon. Wind veering to west 25 this evening then diminishing to west 15 late overnight. Wind backing to southwest 15 Tuesday morning then increasing to southwest 25 Tuesday evening. Scattered flurries ending Tuesday afternoon. Issued 10:30 AM EST 15 December […]
  • Extended Forecast – Western Lake Ontario
    Wednesday: Wind southwest 30 knots diminishing to light late in the day.Thursday: Wind south 20 knots increasing to south 30.Friday: Wind southwest 35 knots diminishing to northwest 20 late in the day.Issued 03:00 AM EST 15 December 2025

WindFinder – Cobourg