Inland areas usually have greater temperature extremes from day to night and from season to season because land absorbs and loses heat energy more quickly than water. Locations near the ocean or other large bodies of water usually have more moderate daily and seasonal temperatures. The ocean warms and cools more slowly than the atmosphere, thus coastal weather tends to be more moderate than continental weather, with fewer hot and cold extremes. Evaporation from the ocean, especially in the tropics, creates most rain clouds, influencing the location of wet and dry zones on land. Water has a higher heat capacity than soil and rock, so the ocean takes much longer to heat and to cool than the land. Coastal areas will generally have more moderate temperatures than inland areas because of the heat capacity of the ocean. Coastal areas are warmer than inland areas in winter, because the sea retains heat and warms up the land. But in summer, areas nearer to the sea are cooler because the sea takes longer to heat up and so cools the land down.
Marginal seas are extensions of oceans and are partly surrounded by land, i.e. lie on the margins of oceans. Some important marginal seas like Arabian Sea, Mediterranean Sea etc. The Seas which are completely surrounded by land are called inland seas, i.e. they don't have any connection or outlet into the oceans. Coastal areas are cooler and wetter than inland areas. Clouds form when warm air from inland areas meets cool air from the sea. The ocean warms and cools more slowly than the atmosphere, thus coastal weather tends to be more moderate than continental weather, with fewer hot and cold extremes. Evaporation from the ocean, especially in the tropics, creates most rain clouds, influencing the location of wet and dry zones on land. Land heats up and cools down faster. This difference in temperature causes the phenomenon of convection and gives rise to land and sea breeze. The places located near the sea get the moderating influence of the sea and land breezes which regulate the temperature. Air that is in contact with the ocean will be much cooler from energy transfer between water and air, while air that sits above land will heat up much more quickly. Therefore, coastal climates are much more temperate because a body of water is nearby to regulate the temperature and keep it more constant. The climate of a region depends on many factors including the amount of sunlight it receives, its height above sea level, the shape of the land, and how close it is to oceans. Since the equator receives more sunlight than the poles, climate varies depending on its distance from the equator. A maritime climate occurs in regions whose climatic characteristics are conditioned by their position close to a sea or an ocean. Such regions, also known as oceanic climates or marine climates, are considered the converse of continental climates.