Paula Grant and Annabel made the cut but they have their work cut out to catch England's Annabel Fuller in the final round of the Portuguese International Ladies Amateur Championship at West Cliffs Golf Links.
Fuller, 144th in the world, shot a level par 72 to lead by three strokes on eight-over par 224 from Germany's Aline Krauter (227, 76-77-74).
Halfway leader Chloe Goadby (73-74-81) shares third place with Denmark's Puk Lyng Thomsen (74-75-79) on 228 (+12) with Grant 12 shots off the pace in 12th on 236 after an 80.
Wilson is a shot further back after an 81 but Jessica Ross shot 84 in difficult conditions and missed the cut, which fell at 244 (+28), by a single stroke.
Valerie Clancy was 75th on 254 while Ireland is eighth in the Nations Cup, 16 strokes behind England.