Calstock is a large village situated within the tidal reaches of the river Tamar, 10 miles north of Plymouth. The Tamar estuary is macro-tidal, with a typical tidal range of 5m and an area of 35km2. It includes large intertidal areas and receives an average annual river flow of 22m3/s.

The table below summarises our forecasts of today’s and tomorrow’s surface ocean and atmospheric conditions.

Line plots

Line plots show the tidal height, water speed and direction for yesterday, today and tomorrow. Hover your mouse over the lines to see the heights at specific times.

Contour plots

Contour plots show how the water speed, temperature and salinity vary with depth over a 72 hour period.

contour plots for Bovisand