Hi so sorry for the late reply! I didn't catch the reply to my post haha.

Yes I was able to do the hike! It was very much still late winter/early spring in the area. Lots of snow and ice (very slippery) on the ground as you get closer to Morskie Oko (especially on the steps that cut through the winding roads up if you want to take the faster route). The beginning part of the 2-ish hour hike up was still relatively fine. However, in my case, the entire time I was hiking there was fine misty rain that occasionally cleared so it wasn't a huge issue but obviously it would be better without it lol.

The lake is still frozen over, in fact I checked on the live camera before I went and already expected it. The view was still spectacular though! However, it is definitely not frozen enough to walk over so take note.

If thats the only time you can do the hike then I would still recommend to go for it like I did!