I did try to raid the Gibraltar, but it was a complete disaster.
I managed to pass through the straight undetected, surfaced during the night. After spending the whole day some 10 km SW of the harbor listening for the patrols and trying to determine their behaviour, it was time to move. I went to periscope depth to take a quick look. And I saw nothing but heavy rain! Zero visibility.
I knew I couldn't continue, as I could slam into a destroyer without even seeing it. But still I moved on, hoping that the weather will improve. Going slowly ,constantly looking into the rain, I was less then 5km from the harbor when somebody turned all the lights on. I was detected.
Soon the shells started to fall around me, and I dived, flank speed, and turned back. I passed right under the anti-sub net (I saw it through my periscope :rotfl
, went deeper and silent. The Brits were throwing depth charges all over the place, but I managed to escape undamaged.
If the weather clears tonight, I'll try again.