Sargassum Seasonal Forecast

This is a Research and Development Application. Forecasts are updated monthly on the 15th. Fractional coverage indicates the percentage of area covered by sargassum within each 0.25° grid cell (approximately 25 km × 25 km).

Information on the system and performance assessment can be found in : Jouanno, J., Morvan G., Berline, L., Benshila R., Aumont, O., Sheinbaum, J., Ménard, F. Skillful seasonal forecast of Sargassum proliferation in the Tropical Atlantic. Geophysical Research Letters, 50, e2023GL105545. https://doi.org/10.1029/2023GL105545

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