That would leave Cornwall and Central to play off for the other place, but should Tech slip up, both clubs could make the title match on net run rate and face each other again in the afternoon.
Hawke's Bay captain Angus Schaw is the leading run-scorer in the competition, having racked up 240 runs for Cornwall including a blistering 143 not out off 75 balls against Napier Old Boys Marist in round two.
Napier Tech bowler Tyler Annand has taken the most wickets thus far with 11.
The Hawke's Bay women's premier grade wraps up on Friday evening with two matches in the sixth round of the competition.
Taradale and Napier Tech, who have both won four games each, will play off for the title at Taradale Park at 5.30 pm.
Hastings Hibernian play Napier Old Boys Marist at the same time and venue.