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There should be a clam shell vent covering the forward half of the drain tubes on the outside of the hull.

On your personal page I notice the original brass drain tube has been replaced with a different type. You should add a cover to this drain and check the other drain tubes as well.

The clam shell vents come in different sizes. I would guess, given the large shoulder of the bow locker drain, you need the large size.

See this article:http://www.whalercentral.com/articles...icle_id=52

Here is the part: http://www.wholesalemarine.com/perko-...79186.html