This watch might just be the all-in-one accessory. All the technology advances without looking like a minature computer. To read the tide height: The tide is graphically represented with the crescent shape that is thicker at the 12 o’clock position and thinner and the 6 o’clock position. High tide can be recognized when the tide hand is at the 12 o’clock position. Low tide can be recognized when the tide hand is at the 6 o’clock position. As the tide moves from 12 to 6 the tide will be falling. As the tide hand moves from 6 to 12 the tide will be rising. About Tides: Working on average tide sequence of 12 hours 25 minutes and 14 seconds from high tide to high tide the watch will help you accurately plan your surf breaks around your busy work schedule. Depending on your location you may have to reset your watch to keep your reading accurate.