Brian Green added 13 points for the Aggies (6-2), and coach Stew Morrill won his 300th game at Utah State.
Wesley had 10 points and 10 rebounds in the first half to help Utah State build a 37-25 lead at intermission. The Aggies pushed their lead to 30 in the second half when they shot 60 percent.
Utah State outrebounded Long Beach State 42-31 and shot 49.2 percent overall.
Long Beach State coach Dan Monson received two technical fouls and was tossed 4 1/2 minutes into the game after coming out onto the court and arguing with officials.