Lake Ontario Weather

Environment Canada

• Waves for Tonight and Friday. – Western Lake Ontario
  Waves 1 to 1.5 metres subsiding to 0.5 to 1 near midnight.Issued 06:30 PM EST 05 November 2026
• Extended Forecast – Western Lake Ontario
  Saturday: Wind northwest 15 knots increasing to northwest 20 late in the day.Sunday: Wind northwest 20 knots increasing to west 35.Monday: Wind northwest 30 knots.Issued 06:30 PM EST 05 November 2026
• Forecast for Tonight and Friday. – Western Lake Ontario
  Wind southwest 25 knots diminishing to southwest 15 near midnight and to southwest 10 early Friday morning. Wind increasing to west 15 Friday evening. Scattered showers. Issued 06:30 PM EST 05 November 2026
• STRONG WIND WARNING IN EFFECT, Western Lake Ontario
  Issued 6:30 PM EST 05 November 2026
• Extended Forecast – Eastern Lake Ontario
  Saturday: Wind northwest 15 knots increasing to northwest 20 late in the day.Sunday: Wind northwest 20 knots increasing to west 35.Monday: Wind northwest 30 knots.Issued 06:30 PM EST 05 November 2026

WindFinder – Cobourg