Abstract: An apparatus and method for supplying temperate water from a water cooled internal combustion engine to warm outdoor water enthusiasts during cool weather, said engine generally having a cooling system with an intake, a cool water pump with a discharge to supply cool water to the cooling system and a warm water pump having a discharge to circulate water in the cooling system, said apparatus and method comprising a warm water supply line connected to the discharge side of the circulating pump in the engine cooling system, a cool water supply line connected between the cool water pump discharge and the engine cooling system intake, the cool water supply line and the warm water supply line feeding into a Y-connection and delivery line having a shower head or other water distribution apparatus at the opposite end for warming, for example, a water skier; valves in the warm water supply line and cold water supply line control the flow of water in each line; a valve in the shower head regulates the volume of water d