The Stockport side were much sharper in midfield in the first half and took the lead on 40 minutes when they broke free down the right, Gavin Salmon scoring with a crisp finish after Danny Queeley had a shot blocked.
Colwyn Bay missed the industry and guile up front of Dean Canning, whose wife went into labour overnight, and from the only openings they created Matty Wood and Andy Moran finished poorly while Rob Hopley volleyed narrowly over the bar.
Bay were better in the second half and were level after 53 minutes when Scott Lycett put in a strong run on the left and cut in along the by-line before pulling the ball back for Hopley to fire past Woodley keeper Ben Connett.
The Seagulls should have gone go on to win from there as Woodley hardly created a threat, but Moran had a header cleared off the line, Tim Brandreth volleyed over the bar from six yards and Steve Aspinall had a shot tipped over the bar.
Woodley Sports had defender Clive Brown sent off for two yellow cards for fouls as the game went into added time, but Colwyn Bay couldn’t make anything of the opportunities.
Assistant manager Paul Ogden said: “After getting the goal back we didn’t take the game on as we should have done.
“The game was there to be won and we didn’t play well enough.”
