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Environment Canada marine weather

  • Forecast for Tonight and Sunday. - Eastern Lake Ontario
    Wind west 30 knots diminishing to northwest 20 late overnight and to northwest 15 early Sunday morning. Wind diminishing to light late Sunday morning then increasing to southeast 15 near noon Sunday. Wind increasing to southeast 20 Sunday afternoon and to southeast 30 Sunday evening. Showers or flurries this evening. Rain Sunday evening.
    Issued 06:30 PM EST 04 December 2021
  • Waves for Tonight and Sunday. - Eastern Lake Ontario
    Waves 2 to 3 metres subsiding to 1 to 1.5 near midnight and to 0.5 to 1 early Sunday morning. Waves subsiding to 0.5 or less late Sunday morning then building to 1 to 1.5 Sunday evening.
    Issued 06:30 PM EST 04 December 2021
  • Extended Forecast - Eastern Lake Ontario
    Monday: Wind south 30 knots increasing to west 40 in the afternoon.
    Tuesday: Wind west 30 knots diminishing to west 15.
    Wednesday: Wind light.
    Issued 06:30 PM EST 04 December 2021
  • Forecast for Tonight and Sunday. - Western Lake Ontario
    Wind west 30 knots diminishing to northwest 20 late overnight and to northwest 15 early Sunday morning. Wind diminishing to light late Sunday morning then increasing to southeast 15 near noon Sunday. Wind increasing to southeast 20 Sunday afternoon and to southeast 30 Sunday evening. Scattered showers or scattered flurries this evening. Periods of rain Sunday evening.
    Issued 06:30 PM EST 04 December 2021
  • Waves for Tonight and Sunday. - Western Lake Ontario
    Waves 1.5 to 2 metres.
    Issued 06:30 PM EST 04 December 2021
  • Extended Forecast - Western Lake Ontario
    Monday: Wind south 30 knots increasing to west 40 in the afternoon.
    Tuesday: Wind west 30 knots diminishing to west 15.
    Wednesday: Wind light.
    Issued 06:30 PM EST 04 December 2021

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