The Valeport TideMaster has been designed to provide an accurate, versatile and easily deployed Tide Gauge for use in short or long term survey operations with either pressure or radar sensor measurement. Optional control/display panel, Bluetooth, SD card memory and optional weather sensor provide unrivalled functionality. Low power consumption and user selectable sampling regime allow for up to a year of autonomous operation, whilst optional telemetry packages extend the capabilities for real time operations. The Valeport TideMaster is compatible with a wide range of hydrographic software and tools.