The Windjammers 2 open beta kicks off on PC via Steam, PlayStation 4 and PlayStation 5 tomorrow, 11th August.
Specifically, the action starts at 2pm UK time tomorrow and lasts until 22nd August.
Publisher Dotemu announced the full list of launch platforms for Windjammers 2 today: the aforementioned PS4, PS5 and PC, as well as Nintendo Switch and Stadia. There's no mention of Xbox.