Matlab - Graphical user interface (GUI), real time plot with arduino data

I have a school project in which I am using a water level variable resistor as my sensor to detect changes in height in a manometer. I need to figure out a code for Matlab and Arduino for real time plotting with a Graphical user interface for my data. Any help to start with would be greatly appreciated!!

Any help to start

So, the project is still in the conceptual phase. When is it due?