This in from Wightlink in their own words. Ed
Please be advised that due to operational (following a review of the carryings for Easter Sunday the timetable has been amended to meet demand at the peak times) reasons it has been necessary to revise the timetable on Portsmouth Gunwharf-Fishbourne car ferry service on Sunday 8 April as follows:
Additional sailings From Portsmouth Gunwharf; 0930 & 1130 From Fishbourne; 1030 & 1230 Cancelled sailings From Portsmouth Gunwharf; 1730 & 1930 From Fishbourne; 1830 & 2030
Wightlink would like to apologise for any inconvenience that this may cause. Passengers concerned about their sailings are advised to contact Wightlink Reservations on 0871 376 1000
Image: Secret Pilgrim under CC BY-SA 2.0