At the Bay Model "How the tides work for you". Slide show (High altitude photos of SF bay) and talk by Kame Richards in the auditorium, followed by demo on the Bay Model in action. Cruisers, racers, and recreational boaters will see and learn how the waters move on San Francisco Bay. $15 cash only. Reservations email jimtantillo@comcast.net or phone 408-263-7877