Conditions are favourable for the development of squalls with wind gusts up to 35 knots, frequent lightning and poor to very poor visibility in showers heavy at times.
Showers or thunderstorms with squalls will arrive this evening from Manitoba and continue through early Tuesday morning.
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Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.