Strong winds and building seas are expected behind the cold front later this evening. North to northwest winds around 20 to 30 knots over the Bays, and 30 to 35 knots over the Gulf waters, with gusts up to around 40 knots are expected from late this evening through early tomorrow morning. Conditions will be hazardous to small craft, with seas of 6 to 10 feet over the Gulf waters.