A division of HR Wallingford

HydroSpatial Global

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HydroSpatial Global

HydroSpatial Global is a marine vector background mapping product which provides vector layers of best-available charted content with worldwide coverage.

HydroSpatial Global is ideal for those wanting a regional or worldwide view. It is effective as a marine spatial planning aid and decision support tool, designed to offer complete coverage of the world’s oceans at a low price.

Click here to download HydroSpatial Global coverage as a KMZ for GoogleEarth.

HydroSpatial Global is available through our sales team. Sample data is also available free of charge for an area around Milford Haven, South Wales, United Kingdom.

Technical specifications

  • Spatial coverage


  • Scale

    Scales ranging from 1:1,200,000 to 1:45,000,000

  • Supply formats

    ESRI (.shp)
    ESRI Personal Geodatabase (.pdg)
    ESRI File Geodatabase (.gdb)
    MapInfo (.tab)

    Non-standard formats available on request

  • Coordinate Reference System

    WGS 84 (urn:ogc:def:crs:EPSG::4326)

    Chart Datum (CD)- representing either Lowest Astronomical Tide (LAT); or Mean Sea Level (MSL).

  • Input/source data

    Charted Content: IHO Special Publication No. 57 (S-57)

  • Update frequency

    Ad-hoc updates subject to content modification