Lake Ontario Weather

Environment Canada

• Waves for Today Tonight and Monday. – Western Lake Ontario
  Waves 0.5 to 1 metre subsiding to 0.5 near midnight then building to 1.5 early Monday morning. Waves building to 2 to 3 near noon Monday.Issued 10:30 AM EST 14 December 2025
• Forecast for Today Tonight and Monday. – Western Lake Ontario
  Wind northwest 20 knots diminishing to northwest 15 this evening then backing to southwest 20 late overnight. Wind increasing to southwest 30 near noon Monday then diminishing to west 20 Monday evening. Scattered flurries ending this afternoon. Periods of snow Monday. Visibility 1 mile or less in snow. Freezing spray beginning Monday morning and ending […]
• FREEZING SPRAY WARNING IN EFFECT, Western Lake Ontario
  Issued 10:30 AM EST 14 December 2025
• Waves for Today Tonight and Monday. – Eastern Lake Ontario
  Waves 1 to 1.5 metres building to 2 near noon Monday and to 3 Monday afternoon.Issued 10:30 AM EST 14 December 2025
• Forecast for Today Tonight and Monday. – Eastern Lake Ontario
  Wind northwest 15 knots increasing to northwest 20 early this evening then diminishing to northwest 15 near midnight. Wind increasing to southwest 25 Monday morning and to southwest 30 near noon Monday. Wind diminishing to west 20 Monday evening. Periods of snow Monday. Visibility 1 mile or less in snow. Issued 10:30 AM EST 14 […]

WindFinder – Cobourg