Main Entrance Blockout dates

[MagicIn2023]

Hi! Apologies if this is a rookie question. I am a cast member in NY with a main entrance pass plus 3 guest passes. I am taking my family to WDW for a weekend in early March for the first time since the pandemic began. I have a resort reservation, but currently cannot see blockout dates past the end of this month. Does anyone know when March blockout dates for Main Entrance will typically be posted? Eager to start planning, but don’t think I can make park reservations until the dates are listed (is that right?). And what are the chances of weekend availability in early March? Of course, I gave all my complementary admissions to friends and family before I booked this trip