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🌊 Hydrographic Survey Tools

Bathymetry, tidal corrections, and chart datum conversions

Tide Gauge Readings

Enter tide gauge readings at known times to interpolate water levels at sounding times.

TimeWater Level (m)
Sounding Data

Enter sounding records. Tide height will be interpolated from gauge readings.

LineFix NoTimeEastingNorthingRaw Depth (m)