Join Date: Jul 2000
Location: Herrington Harbor, MD
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Rain reducing wave height.
I had an interesting sail this past Sunday. I have read that rain can reduce wave height and got a number of demonstrations on a 15 nm sail into 22-26 knot winds.
Between the Rhode R. and Herring Bay we were hammered at least four times with very heavy rain. Each time, the Bay flattened noticeably from its 3-4 ft chop. Flattening the water by a foot I would guess, the boat speed picked up each time in the rain.
There are a number to technical papers on the web that describe the effect & process. I was surprised how profound the change can be and how relatively quickly it is made.
s/v Virginia Dare