Assuming you aren't actually under the sea itself, it makes no difference. There may a very slight change depending on where you are on the planet (because of the centrifugal force) but gravity is effectively the same and so weight does not change.
Above sea level
Romania is above sea level.
above sea level
The surface of the Lake Superior is above sea level; the deepest part is about 600 feet below sea level.
Deserts are overall above sea level but may contain areas below sea level. Death Valley in the Mojave Desert of California is below sea level in some parts.
The ocean is at sea level.
below sea level. Yes - I know, so obvious XD
Parts of France are both above and below sea level. The lowest point in France is in the Rhone River delta, below sea level, while the majority of the country is above sea level. The highest point in France is Mont Blanc, which rises to 4,810 meters (15,781 feet) above sea level.
Positive integers can represent elevations above sea level, while negative integers can represent elevations below sea level. For example, an elevation of 500 meters above sea level can be represented by the integer +500, while an elevation of -200 meters below sea level can be represented by the integer -200.
what distance is nether heage de56 2jx above or below sea level
cochin is below sea level
Belize City is not above sea level, It is approximately 500feet below sea Level