This in from Wightlink, in their own words, Ed
Due to the adverse weather conditions today the following sailings, which were due to be undertaken by a charter vessel, have been cancelled:
From Portsmouth Harbour: 1540
From Ryde Pier Head: 1610
Wightlink would like to apologise for any inconvenience that this may cause. Passengers concerned about their sailing(s) should call Wightlink reservations on 0871 376 1000.