No, beagles don’t like water. This is because they were originally bred to hunt and chase scents in forests, rather than near water. As a result, beagles did not need to become comfortable around water, and they’re quite likely to be afraid of it.
They’re not natural swimmers, although, with patience (and a life-jacket), it may be possible to teach them.
Beagles tend to be scared of thunderstorms, so you should be ready to help them overcome that anxiety. Some beagles don’t even like rain, and may stubbornly refuse to go out to pee if it means getting wet.