as soon as they turn up in late april or early may(depending on water temps) on the west side of the island , the locals are straight at them with surface lures,particularly chug bugs, fish upto 8.5lb were taken on them this spring......... best time is of day is from first hint of daylight in the morning until the sun comes up,or if its cloudy then you can continue longer, and then the last two hours of light and well into darkness .