Because they are developed so that they float on the sea and not sink in the water the answer is that catamarans arent stable in rough seas.
Are catamarans safe in rough seas. However when comparing the safety of catamarans to monohulls catamarans win every time. Yes if theyre built to handle very rough seas. For millenia fishermen have trusted the twin hull design to get them through big seas.
Now I dont want to give you a false sense of security. They may survive them while out at sea but they arent intended to do so. A catamaran is arguably the most popular vessel choice for safe spacious and longer cruising trips.
However if you but a flat horizontal frame beneath each sides hull that makes them more stable. Does the length of a catamaran affect its ability to survive monster seas. The deeper draft of a monohull boat has its advantages as well.
Most things stay put even in moderately rough seas. Production cats have so much. Other yachts arent built to withstand rough waters or strong storms at all.
This helps make a catamaran more comfortable to relax or sleep on while at anchor or the dock. As long as the. You should never deliberately go out in rough seas.
However no yacht is designed to withstand hurricanes. Are catamarans stable in rough seas. Are catamarans more stable in rough seas.