[Armistead]

Much depends on your mods. As stated, most stay on the surface and use the deckgun shooting by bearing, but you aren't gonna sink a warship that way, unless maybe a DD or escort. If stock, fairly easy to sink even DD's with the deckgun, they don't see u, they just act dumb and take a pounding.

Obvious, if you have cams on you can cycle and see what ships, but more realistic to keep them off. Another flaw, as stated, you can often see the outline of the ship you hit in the fog when a shell hits.

Almost always, you get close enough to get a visual, they see you at the same moment and blast away. Be aware, later war some DD's and many capital ships have radar and you'll get chased down in the fog.