Saw this on the BVI Community page:

Road Town Fast Ferry has two new trips added to their schedule on WEEKENDS ONLY 12:00 pm from Road Town and 5:30pm from Charlotte Amalie. So the departures from Road Town are as follows 7am 10am 12 noon and 2:30pm. From Charlotte Amalie 8:30 12:00pm 4:15pm and 5:30pm...and questions please call (284) 494-2323 or (340) 777-2800