Tide clock

Saint Brine

Harbor water

The quay never uncovers; count the rungs, not the weed.

Saint Brine tide dial Twelve-hour brass dial. The glowing hand is now. The open ring marks the next slack water. Water in the bowl follows the tide. Rising 0.0 m next 00:00

Today's extremes

    One twelve-hour sine fills the bowl, sets both hands, and names these four turns. The face repeats for the other half of the day.