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Global Ensemble Ocean Wave Forecast System

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The Global Wave Ensemble System (GWES) is now unified with the Global Ensemble Forecast System (GEFS). The WAVEWATCH III wave model is one-way coupled with the atmospheric forecast model. This allows for an increase in frequency of the wind forcing from 3 hours to 1 hour. This unified system has 30 members and the wave model is initialized with the previous member's 6 hour forecast. The wave model has a spatial resolution of 0.25 x 0.25 degrees. The system runs four cycles per day (00, 06, 12 and 18Z). The wave forecast has been extended from 10 to 16 days.

More information on the GEFS system is available here .

Access the Global Ensemble Forecast System -- Wave product viewer

The US National Weather Service also generates operationally a combined wave-height ensemble product in partnership with the Fleet Numerical Meteorology and Oceanography Center (FNMOC) of the US Navy. The combined wave ensemble data are at the NFCENS page.


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Page last modified: Friday, 13-Nov-2020 19:23:31 UTC