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.
Catamaran vs monohull in storm. 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. Comfort Underway Speaking of comfort underway a catamaran vs a monohull will sail differently. In this episode we compare several of the diff.
On the up side there is room for a big crew and its kit much more fresh water tankage than a monohull eliminating the need for an expensive temperamental watermaker and finding. Cats are more stable faster offer more space and have two hulls. Catamarans are more stable faster and spacious.
The average cruising catamaran is big like really big compared to the average cruising monohull. Because most cats only draw 4 feet of water or less they could anchor in situations where a monohull. Usually a larger one but you just need one reducing the expense and complexity.
Monohulls heel upwind and when the wind is on the beam while catamarans stay flat but pitch upwind. A monohull under sail on the other hand is far more maneuverable and would tack much faster than a catamaran. While catamarans do not point as high into the wind as a monohull or if it does it makes more leeway or slides sideways it is about 20 faster than a monohull.
They also offer safer anchorage and are easy to control. A catamaran clearly outperforms a monohull in shallow waters. Learn more about the differences between Catamarans and Monohulls.
The catamarans wide beam will give her an advantage over the monohull as the greater bridle angle will reduce strain and improve attitude leverage which facilitates boat rotation in respect to the sea anchor. Of course catamarans arent always faster. Not only is each space galley cockpit cabin and heads bigger but there are more of them.