Springtime in the marsh is the best time for walking topwater baits. Because of the mild water temperature, speckled trout are found roaming shallow water areas in the marsh, and they will destroy a topwater lure when it walks by them.
During March, look for marsh areas that range from 1 1/2 feet to 3 feet in depth, and have clean water and submerged grass. Where these areas also have salinity in the 5-10 ppt range, you are liking to find an abundance of 3 and 4-pound speckled trout, with redfish and bass scattered in.
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