A catamaran is unlikely to be capsized by wind, but a big enough rogue wave can do it.

Tom's rowboat capsized.

Our boat capsized suddenly, and everybody fell into the river.

A boat capsized.

The ship capsized in the middle of the ocean.

The boat capsized during the night.

The boat capsized.

Once capsized, a catamaran is impossible to right without help.

The boat fell into a whirlpool and capsized.

Sami's ship capsized.