Here is link to last years course:
And where Forby is located:
From Turku to Forby is about 90km. From Helsinki about 160km and from Hanko about 90km.
Harbours are at Turku, Naantali, Hanko and Helsinki. Ferries to those harbours comes from Stockholm or from Germany.
Racedays will be saturday August 15th (longer course) and sunday 16th.
Let you know more when advance program is published.