Tidetime Nautical Tide Clock - Flag Face

Shows high, low and half tides and the hours inbetween are marked. Please note that unlike many of the other tide clocks featured on Amazon, this model is one of the few with the hours correctly scaled on the clock face. As, to follow the cycle of the tides, one cycle of the clock must take 12 hour 25mins, it follows that the time period between the 'High' and 'Low' points on the clock face and the next [5hr] point will be 1hr 12.5mins while the remaining graduations should be 1hr apart. As can be seen in the photograph, the spacing of the graduations on the clock face correctly indicate this.