Squall Warning In Effect

Squalls with wind gusts up to 45 knots, frequent lightning and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.

A line of thunderstorms are expected to track over Lake Ontario for areas east of Oshawa. This line is moving southeast at 20 knots.

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Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.