 Early on August 8, satellite imagery indicated that the depression intensified into Tropical Storm Dennis.The cyclone strengthened slightly further, reaching winds of 45 mph (75 km/h); wind shear prevented additional deepening and eventually caused Dennis to weaken to a tropical depression while approaching the Lesser Antilles on August 11 Early on August 12, the system crossed through the Windward Islands with a poorly-defined circulation, making landfall in or passing close to Martinique.Dennis continued weakening after entering the Caribbean Sea, degenerating back into a tropical wave at 00