I`m 105 kg. Couple of years ago went to Feurte and Shark 130 was only board I could hire. It stunned me how it coped in waves/swell (at Flag beach) IMO it will not plane as early or be as fast as Futura but it will be a lot easier to sail in rough conditions. At your weight it will be like a big wave board.
They are both great boards.
Futura more dedicated towards speed/slalom.
Shark perfect freerider.(But its not slow either)