This is because they face less water resistance and their narrow hulls dont have to deal with their own bow waves as a monohull does.

Cat hull vs monohull. Its less tiring to sail a catamaran than it is to sail a monohull. Catamaran charters have become very popular due to several essential characteristics. Catamarans are usually faster than monohulls particularly on downwind runs reaches and broad reaches.

If anything you can outrun bad weather with a catamaran. If the boat is long enough to span the distance you maintain speed and ride characteristics. Too shallow for a fixed keel monohull of similar size Stability is one of the truly great advantages of a cruising multihull.

If you are into SCUBA diving carrying tanks and all the assorted equipment is. If you want to use a diesel motor there is more space available for an engine in a monohull than in the cats slender shallow hulls making it more accessible and easier to work on. Of course catamarans arent always faster.

Sailing flat has definite advantages. Most often a little more length is the magic. Modern catamarans can do a 360 turn in their length.

The monohull encounters higher resistance taking longer to plane and spikes in speed and fuel consumption at mid-range. Comfort Underway Speaking of comfort underway a catamaran vs a monohull will sail differently. For offshore use in most location to maintain.

If everything including length remains the same a catamaran is about 30 faster than a monohull. The reality is wether its a cat or mono hull the ride will be determined by the distance between the crest of the waves. But the roll moment is different for each and you may or may not prefer one motion to the other.