The Warriors (13-5, 2-2 Big West) erased an early 15-8 deficit, storming ahead with a 20-5 run. UC Davis pulled within four, but a quick 7-0 surge capped by a Keith Shamburger 3-pointer gave Hawaii a 45-34 halftime advantage.
Trailing by 20 in the second half, the Aggies (6-14, 1-4) hit a trio of 3-pointers to fuel a 17-6 run and cut their deficit to nine, but Hawaii countered with two Fotu layups and a Garrett Nevels 3-pointer to make it 80-64 with 4:24 remaining.
The Warriors shot 58.2 percent from the field and had all five starters in double figures. Nevels scored 16, Brandon Spearman had 15 and Shamburger chipped in 14.