I lost my glasses in the marine city river today?

I lost my glasses in the marine city river today a few feet away from the ropes that tell you when you ve gone too far and I can barely see without them. I don t know when I can get new ones, but I have to go visit my dad in Alabama for three weeks in nine days, so I won t be able to last for a month without them. I just got back from the beach and I need answers ASAP please! I just want to know If they re gone forever or if they can be saved ( and if they can be saved, how).