GRIB Files

Grib files are available for PREMIUM SeaWeather subscribers. The files currently available are generated from the United States NOAA/NCEP GFS 0.5 degree global model and NCEP Wavewatch III (WW3) 0.5 Degree global wave model, and are available out to 180 hours.

WRI is offering 15-day free trials of Premium SeaWeather which gives you access to our GRIB files request form, please contact us for more details about this free trial offer. Alternatively, you can sign up for a Premium SeaWeather account by clicking here and filling out the form.

In order to limit file size, the files are customized to meet your specific needs; the grib data is tailored to a specific region centered over your latitude and longitude. It may contain any of the following forecast parameters out to 180 hours, as desired:

WRI has implemented a new email request system to make it easier for our clients to retrieve GRIB data on demand. You may view the intructions here.
GFS Parameters
  • Wind Speed and Direction
  • Wind Gust
  • Mean Sea Level Pressure
  • Air Temperature
  • 3-6 Hourly Accumulated Precipitation
  • Relative Humidity
  • Cloud Cover
WW3 Parameters
  • Significant Wave Height
  • Wave Direction
  • Wave Period
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