personally I would want a larger boat that's all 1 piece to do any crossings. I know that people have done crossings in F-31s but I think of them as better suited to "fun" conditions ie: warm water, nice breeze. Then they really shine.
I do think corsairs/fboats are a good boat for your current situation though, learning to sail, adventure. Are there lakes around you can take them to? Lac St Jean? Mistissini? You can cruise around the St Lawrence in the summer for sure. Just pay attention to the weather They hold their value very well, so you will be able to resell it when you