Airy Water

You turn the water in a 20-foot bubble around you into a frothy substance that can be breathed as easily as air. In addition, movement is easier through airy water - a creature's swimming speed increases by 10 feet and any Strength (Athletics) checks made in order to swim are made at advantage, and boats traveling in a patch of airy water have their speed increased by 25% (round up to the nearest 5 feet}