I think it is a storm surge
An ocean swell is rythmic rise and fall of the ocean surface, not quite a wave, but a significant movement.
Large, roughly circular ocean currents are called gyres.
An ocean.
It is called a sea. An ocean is a large body of salt water, but the sea is what they probably mean.
A Very Large Expense Area Of The Sea Is Called OceanFor Example!Atlantic Ocean.
Panthalassa.
A sea is either a large expanse of saline water connected with an ocean, or a large, usually saline, lake that lacks a natural outlet such as the Caspian Sea and the Dead Sea.A swell, in the context of an ocean, is a formation of long wavelength ocean surface waves on the sea. Swells are far more stable in their directions and frequency than normal oceanic waves since they are formed by tropical storms and by stable wind systems.
Large bodies of salt water are called seas or oceans.
Ocean! hope I helped!
an ocean
A Very Large Expense Area Of The Sea Is Called OceanFor Example!ATLANTIC OCEAN.
An ocean is the largest body of water. The next largest is called a sea.