Home / Data /public/data/data.htm Portal /portal/monitoring.htm Water Level /portal/gce_tide.htm 2026 GCE_water_level_NOAA_Protocol_2026 Real-time water level data from the GCE water level sensor at Marsh Landing on Sapelo Island, Georgia, using the NOAA Ports averaging protocol from 01-Jan-2026 to 30-Jun-2026 GCE_water_level_NOAA_Protocol_2026.xml ../plots/GCE_water_level_NOAA_Protocol_2026.xml 01-Jan-2026 30-Jun-2026 6.0 min Spreadsheet (CSV Text) /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026.csv Metadata for Spreadsheet /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026-meta.txt Tab-delimited Text Report /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026.rpt GCE Data Toolbox File /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026.mat Standard MATLAB File (variables) /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026_vars.mat Custom Text File /public/app/custom_ascii.asp?file=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026.mat Custom MATLAB File /public/app/custom_matlab.asp?file=gce_tide/2026/data/GCE_water_level_NOAA_Protocol_2026.mat 08-Jul-2026 14:00:46 GCE_water_level_USGS_Protocol_2026 Real-time water level data from the GCE water level sensor at Marsh Landing on Sapelo Island, Georgia, using the USGS averaging protocol from 01-Jan-2026 to 30-Jun-2026 GCE_water_level_USGS_Protocol_2026.xml ../plots/GCE_water_level_USGS_Protocol_2026.xml 01-Jan-2026 30-Jun-2026 15.0 min Spreadsheet (CSV Text) /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026.csv Metadata for Spreadsheet /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026-meta.txt Tab-delimited Text Report /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026.rpt GCE Data Toolbox File /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026.mat Standard MATLAB File (variables) /public/app/send_file.asp?accession=portal&filename=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026_vars.mat Custom Text File /public/app/custom_ascii.asp?file=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026.mat Custom MATLAB File /public/app/custom_matlab.asp?file=gce_tide/2026/data/GCE_water_level_USGS_Protocol_2026.mat 08-Jul-2026 14:00:46