Small Craft Should Exercise Caution across all Florida Keys waters. Fresh east to southeast breezes. Bay and gulfside waters 2 to 3 feet, except west of marquesas where seas will be 3 to 4 feet, occasionally to 5 feet, Hawk Channel seas 2 to 4 feet, occasionally 5 ft, Florida Straits seas 4 to 6 feet occasionally to 8 ft, and southeast gulf seas around 3 feet. Bay and nearshore waters choppy. A chance of showers and a slight chance of thunderstorms.