Will salt water damage my GORE-TEX® garment?No. Salt water does not contaminate, clog the pores of, decrease the breathability of, alter, or harm GORE-TEX® fabric in any way. So go ahead and enjoy that ocean fishing or boating trip.

denne linken gir et ganske klart svar:

http://www.gore-tex.com/remote/Satellite/content/customer-service/faq/4