It's always been accessible since spring, you just had to really want it... The fishing has been awful up there and will stay that way for a while.
Exactly what Thomas said is correct
I have been up there at least once every 2-3 weeks since April 30th. The fishing sucks honestly.
As for the grass beds you had to run in on pad or you would get stuck...
Hullabaloo, Caneck! Caneck!