Porthmellon (St Mary's) sea conditions & tide times

Porthmellon (St Mary's) is a coastal location in Isles of Scilly, one of 15 Isles of Scilly spots covered by NippyIndex.

The shore faces broadly west, so it is most open to wind and swell arriving from the west.

As a tidal location, its tide predictions are referenced to the nearest tidal station, St. Mary's, less than a mile away.

NippyIndex draws on published marine and weather data (sea state, wave information and water temperature) and UKHO tidal predictions.