Near zero visibility in fog is expected or occurring.Fog banks from Lake Superior will continue to affect the area tonight. Conditions may slowly improve in the morning.###Visibility may be significantly and suddenly reduced to near zero.Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Conditions are favourable for the development of squalls with wind gusts up to 40 knots, frequent lightning and poor to very poor visibility in thunderstorms heavy at times.Thunderstorms will move eastward across the lake tonight and reach the shore in locations from near Michipicoten to near Montreal River Harbour.###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.