- Attributed bathymetric contour intervals:
- 10 m at depths from 0 m to 200 m
- 20 m at depths > 200 m to 400 m
- 100 m at depths > 400 m
- The vertical datum is nominally based on Chart Datum/Mean Sea Level.
- The horizontal co-ordinate system is based on WGS84 lat/long decimal degrees.
- The coastline is based on World Vector Shoreline ©NIMA and is attributed with a value of 0 m.
- DigBath250 is strictly for non-navigational use.