Migrations of fish, rise and fall of tides, and weather changes through the year in the Keys Both how-to tips for each season of the year and firsthand experiences recounted in detail Northern species that arrive in winter, sailfish offshore, and Spanish mackerel in Florida Bay and the gulf Silver tarpon cruise transparent waters in spring Black-tailed permit return from offshore spawning in summer, and fishermen aim for the Grand Slam--catching a permit, tarpon, and bonefish on the same day Cooler fall weather puts big bonefish on the flats and gives you one last chance for laid-up tarpon