Western Michigan quickly led 9-2, but four consecutive 3-point baskets - two by Craig Ponder and two from Flemmings - boosted the Seahawks (3-0) to a 17-13 lead. The Broncos (1-2) led 45-38 at the half and held the lead until Devontae Cacok's dunk with 11:27 remaining put NC-Wilmington ahead 58-57.
Cacok and Jordon Talley made 3 of 4 foul shots in the last 18 seconds to preserve the lead. Talley was 6 for 6 at the foul line and had five assists.
Haymond led Western Michigan with 19 points, Avery added 14 and Wilder 12.