Environment Canada has issued a fod advisory for the Parry Sound and Muskoka area.

The national weather office warns the fog will cause near zero visibility and travel is expected to be hazardous.

The fog advisory is in effect for:

  • Bracebridge
  • Gravenhurst
  • Huntsville
  • Port Carling
  • Port Severn
  • Parry Sound
  • Baysville
  • Rosseau
  • Killbear Park

Environment Canada says the fog may continue until early Friday morning.