Originally Posted by JuanLiquid

Always. I tried again, it's April, and I'm close to France, there is no moon today and I see like it was a simple evening (it's 00:30). In real life the water would be almost black, and everything should be more dark in general (I'm from a coastal city).

I have the savegame too if you want to check. After all uboots could close to the merchants in the surface without being seen, and I'm sure with all this light they would see me in a range of 4 Km.

Is there any mod or option to change this?