The game was scoreless at halftime.
James Sytsema opened the scoring for the Warriors early in the second half on a corner kick.
WMC took a 2-0 lead 10 minutes later on a goal from Tommy Tencate.
The Rockets got on the scoreboard in the final five minutes of regulation with a goal from Max Prince to cut their deficit to 2-1.
Reeths-Puffer outshot the Warriors 8-7. WMC goalkeepers Chris Visser and Michael Merz made a combined seven saves.
WMC is now 7-4-1 on its season.