Search:
| GRIB Parameter Code | Parameter Name | Description | Units | Comments |
| 220 | - | Mean wave period based on first moment | s | - |
| 221 | - | Mean wave period based on second moment | s | - |
| 222 | - | Wave spectral directional width | - | - |
| 223 | - | Mean wave period based on first moment for wind waves | s | - |
| 224 | - | Mean wave period based on second moment for wind waves | s | - |
| 225 | - | Wave spectral directional width for wind waves | - | - |
| 226 | - | Mean wave period based on first moment for swell | s | - |
| 227 | - | Mean wave period based on second moment for swell | s | - |
| 228 | - | Wave spectral directional width for swell | - | - |
| 229 | - | Significant wave height | m | - |
| 230 | - | Mean wave direction | degrees | - |
| 231 | - | Peak period of 1D spectra | s | - |
| 232 | - | Mean wave period | s | - |
| 233 | - | Coefficient of drag with waves | - | - |
| 234 | - | Significant height of wind waves | m | - |
| 235 | - | Mean direction of wind waves | degrees | - |
| 236 | - | Mean period of wind waves | s | - |
| 237 | - | Significant height of total swell | m | - |
| 238 | - | Mean direction of totalswell | degrees | - |
| 239 | - | Mean period of total swell | s | - |
| 244 | - | Mean square slope of waves | dimensionless | - |
| 245 | - | 10 metre wind speed | m s**-1 | Modified by wave model analysis |
| 251 | - | 2D wave spectra (single) | m**2 s radian**-1 | One direction/one frequency; logarithm 10 based, modified by constant |
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| Updated 22 July 2005 |
