Data Access Form

Dataset Title:	Sea Surface Forecast, Western Mediterranean (2026-06-28)
Institution:	ICATMAR (Dataset ID: predictions)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Files \| Make a graph

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Dimensions	Size	Spacing
time (UTC)	48	1h 0m 0s (even)

depth (m)	1	(just one value)

latitude (degrees_north)	442	0.01164805 (uneven)

longitude (degrees_east)	442	0.01482961 (uneven)

Grid Variables (which always also download all of the dimension variables)

THETAO (Sea temperature, K)

PSAL (Salinity, 1)

UO (West-east current component, m s-1)

VO (South-north current component, m s-1)

SSH (Sea surface height, m)

SST (Sea surface temperature, K)

SSS (Sea surface salinity, PSU)

HCSP (Current speed, m s-1)

HCDT (Current direction, degree)

File type: (more information)

(Documentation / Bypass this form)

(Please be patient. It may take a while to get the data.)

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.7826048e+9, 1.782774e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 38.457300604961894, 43.59409194637781;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -0.45258519512374484, 6.087272695120188;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  THETAO {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 305.0;
    Float64 colorBarMinimum 273.0;
    String ioos_category "Temperature";
    String long_name "Sea temperature";
    String standard_name "sea_water_potential_temperature";
    String units "K";
  }
  PSAL {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "1";
  }
  UO {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "West-east current component";
    String standard_name "eastward_sea_water_velocity";
    String units "m s-1";
  }
  VO {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "South-north current component";
    String standard_name "northward_sea_water_velocity";
    String units "m s-1";
  }
  SSH {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum -2.0;
    String ioos_category "Sea Level";
    String long_name "Sea surface height";
    String standard_name "sea_surface_height_above_geoid";
    String units "m";
  }
  SST {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 305.0;
    Float64 colorBarMinimum 273.0;
    String ioos_category "Temperature";
    String long_name "Sea surface temperature";
    String standard_name "sea_surface_temperature";
    String units "K";
  }
  SSS {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea surface salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  HCSP {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "Current speed";
    String standard_name "sea_water_speed";
    String units "m s-1";
  }
  HCDT {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: point";
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "Current direction";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.10, COARDS, ACDD-1.3";
    String creator_name "ICATMAR";
    String creator_type "institution";
    Float64 Easternmost_Easting 6.087272695120188;
    Float64 geospatial_lat_max 43.59409194637781;
    Float64 geospatial_lat_min 38.457300604961894;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 6.087272695120188;
    Float64 geospatial_lon_min -0.45258519512374484;
    String geospatial_lon_units "degrees_east";
    String history 
"Processed with xarray on 2026-06-28 10:40:10.350632
2026-06-29T19:15:16Z (local files)
2026-06-29T19:15:16Z http://erddap.icatmar.cat/erddap/griddap/predictions.das";
    String infoUrl "???";
    String institution "ICATMAR";
    String keywords "2026-06-28, above, circulation, component, current, currents, data, density, depth, direction, earth, Earth\\n                Science > Oceans > Sea Surface Topography > Sea Surface Height, Earth\\n                Science > Solid Earth > Geodetics/Gravity > Geoid Properties, Earth Science > Oceans > Ocean Circulation\\n                > Ocean Currents, Earth Science > Oceans > Ocean Temperature > Potential\\n                Temperature, Earth Science > Oceans > Ocean Temperature > Sea Surface\\n                Temperature, Earth Science > Oceans > Salinity/Density > Salinity, east, eastward, eastward_sea_water_velocity, forecast, geodetics, geoid, gravity, HCDT, HCSP, height, icatmar, latitude, level, longitude, mediterranean, north, northward, northward_sea_water_velocity, ocean, oceans, potential, practical, properties, PSAL, salinity, science, sea, sea level, sea_surface_height_above_geoid, sea_surface_temperature, sea_water_potential_temperature, sea_water_practical_salinity, sea_water_speed, sea_water_velocity_to_direction, seawater, solid, south, south-north, speed, SSH, SSS, SST, surface, temperature, THETAO, time, topography, velocity, water, west, west-east, western";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"This dataset by ICATMAR is licensed under a Creative Commons Attribution 4.0
        International License. You should have received a copy of the license along with this work.
        If not, see https://creativecommons.org/licenses/by/4.0/.";
    Float64 Northernmost_Northing 43.59409194637781;
    String project "ICATMAR";
    String source "ROMS run from 2026-06-28";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 38.457300604961894;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Sea Surface Forecast - Western Mediterranean (2026-06-28)";
    String testOutOfDate "now-1day";
    String time_coverage_end "2026-06-29T23:00:00Z";
    String time_coverage_start "2026-06-28T00:00:00Z";
    String title "Sea Surface Forecast, Western Mediterranean (2026-06-28)";
    Float64 Westernmost_Easting -0.45258519512374484;
  }
}

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its projection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.

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