Hi HawkEye,
The rain is the reason I didn't modify my tug extensively, we get our share of rain overhere and I want to be able to run my boats regardless of the weather.
Last 'summer' (I use the term loosely) we were camping in Germany where I sat under a bridge, running my tug in the pooring rain, not a drop inside after an hour or two.
I had to switch on the searchlight to keep track of the boat coming towards me from a 100 yards in a downpour...
When running in high wind conditions, the boat isn't completely watertight; when running into the wind, the bow wave breaks over the entire boat, the steering house windows leak and water seeps down into the bilge, fortunately the electronics stay dry, as long as there's less than a cupfull of water in the hull.
Regards, Jan.