It would be great if there were magic tips that could lead you to great fishing any time you go. April means warming and also means pre-spawn, spawn and post-spawn fishing. Strike King pro-staffer Bart Gillon says April is often a weird month for him with one day being good and the next day being tough fishing. Cold fronts are also common in the spring. Before the spawn fish are easy to pattern but during the transition month of April fish are moving around a lot making it tougher to locate numbers of fish.