Sama Taku added 13 points and went 10 for 10 from the free-throw line for the Tigers (15-10, 9-4 Big West), who took sole possession of second in the conference standings.
Hawaii led 38-33 in the second half before it went scoreless for a 6:17 stretch, enabling Pacific to take control of the game with a 15-0 run. Tony Gill had all of his five points during the stretch, and Fulton and McCloud added four points each.
The Warriors got no closer than seven points the rest of the way.
SMU has signed a second player from Australia, 6-foot-11 forward Harry Froling, to a national letter of intent. The Mustangs previously signed guard Tom Wilson from Australia.
There's nothing to suggest the Jayhawks won't end up atop the Big 12 for a 13th season in a row. But what about a return to the Final Four?
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.