Chichester bounced back to winning ways at Oaklands Park courtesy of a lone Josh Clack goal in the opening 10 minutes and some dogged defending.
Chichester City Women suffered a 4-0 defeat at home to AFC Bournemouth Development on Sunday.
A 53rd minute penalty from Hastings’ Danny Parish on his debut and a second by sub James Hull deep into stoppage time condemned Chichester to a fourth league loss on the bounce and sent the U’s nine points clear at the top of the table.
Mia Gardner scored a dramatic late winner as Chichester City Women won a nine-goal thriller on Sunday.
Chichester suffered a third straight league loss courtesy of Hythe substitute Jack Mayhew’s strike with two minutes of normal time to go.
A second half double from Hass Ibrahiym condemned Chichester to back-to-back defeats this week.
Herne Bay skipper Laurence Harvey grabbed the winner deep into stoppage time to settle this lively Isthmian south east encounter at Oaklands Park.
Chichester City Women scored two goals in three minutes to win 2-1 at Milton United on Sunday.
Lloyd Rowlatt scored the only goal of the game as Chichester ground out back-to-back league wins in the same week for the first time this season.