https://it.mathworks.com/matlabcentral/answers/159354-rotating-contourf-in-r2014b
I found this solution. Important: -The contourf is embedded in a hgtransform object -Adjust the axis limits manualy after transformation. -All transformations are compared to the original axis, so make a full transformation matrix once and then set the Matrix propery of the hgtransform object.