I've felt this desperate feeling of doom before going to Scotland games. The first time was my first trip to an away game (Wales and Wembley apart). It was a trip to Paris ans against all the odds, we came away with a victory.
I had the same impending feeling of dread going away to Croatia. They were ranked 4th or 5th in the world at the time. Again, we got the victory.
I have the same feeling for this game as I had then. I hope to hell for the same outcome.
Keep believing