Tide Data for Tidal Height computation using simple harmonic constants method an Tidal Diamond Data for Tidal Stream computation. These calculations are used in SeaTrak and EasyCharts.
2025
WIND FARMS
Boundary of Wind Farms and position of Turbines
January 2025
WRECKS
Position of wrecks and seabed obstructions. These can be displayed in SeaTrak and EasyCharts. By clicking on a object all the known information can be examined.
January 2025
MAGNETIC VARIATION
Data to compute the magnetic variation between true north and magnetic north.