San Diego weather is often the weather that laughs at you. For some reason, the forecast will say clear skies and clouds will roll in off the ocean, or the forecast will tell you to wear a jacket for an overcast day and the sun will come out to play.
A sea is a large body of saline water that may or may not be connected to an ocean, though commonly these are. However, the body is smaller compared to an ocean. It is believed to lack a natural outlet. Seas are usually located near land and are used to connect the land with an ocean.
(p90) Seas are generally larger than lakes and contain salt water. While the defining elements of size and being bounded are generally used, there is no formally accepted technical definition of sea among oceanographers. In international law, the United Nations Convention on the Law of the Sea states that all the ocean is the sea.