Squalls with wind gusts up to 45 knots, hail up to 3 centimetres and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.
A line of thunderstorms will move southeast at 40 knots across the lake this evening.
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Large hail can damage vessels and cause injury.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.