Sea life depends on it for survival. They are all formed by moist air cooling enough to form clouds. Cumulus, cirrus, and stratus. Usually on a bright, sunny day. Cumulonimbus and nimbostratus.
Warm air pushes the cold air back and warmer air rises above it.
Most clouds and precipitation are formed as air rises into the atmosphere. When the warm front is close, the clouds are low and precipitation falls. North or west. Evaporation, advection, radiation, upslope. Point of saturation, dew point.