In your drawing I don't see anything like bilge access under the cockpit, just the engine location for the on-board power model. If you regularly have water in the bilge I'd recommend you find the leak now. I very occasionally get water when it is raining and the wind is blowing directly into the air scoop in the bow. Otherwise I'm dry with the exception of condensation within the interior when temp/humidity changes a lot. Slow leaks are insidious and often do long term damage to structural areas that are very hard to repair.