The Hawks slumped to a 2-1 defeat against relegation battling Lewes at the Dripping Pan.
After looking the better side for much of the contest, the Hawks fell apart in the later stages to concede defeat in what was a poor Blue Square South game.
Ian Selley gave the Hawks hope with a goal four minutes from time but the hosts held on for their three points.
There was little joy, either for Gosport Borough in the Zamaretto Southern League division one south & west.
The play-off hopefuls saw their chances of promotion suffer a severe blow after they went down to a 3-2 defeat at Wimborne.
A double from Tom Price gave the visitors hope.
But Wimborne had the last laugh when James popped up to score a late winner with his second of the game.
To make matters worse for Gosport, manager Alex Pike was sent from the sidelines after he let his frustrations boil over late in the game.
Fareham also conceded three as they lost 3-1 at Wessex League premier division leaders Winchester City.
Nathan Kirby was the Reds’ scorer.
Meanwhile, in the Ryman League division one south, Bognor proved too casual for their own good as they were held to a 2-2 draw by Corinthian Casuals.
Luke Nightingale and Jason Prior were on the mark for the Nyweood Lane outfit, who remain top despite dropping two points.