-during the day
-both the land and the sea absorb heat from the sun.
-The land heats up faster than water.
The air above the warm land is heated by conduction,becomes less dense and rises.
-the cooler and denser air from the sea flow in to take the place of the rising hot air.
- during night
-land cools down faster than the sea.
-the sea remains warmer than the land. The hot air above the sea rises. The cool air above the land flow out towards the sea. It occupies the place left by the rising warm air.