Four-dimensional Variational Ocean ReAnalysis for the Western North Pacific(FORA-WNP30)is the first-ever dataset covering the western North Pacific over the last three decades (1982-2016) at eddy-resolving resolution.

※ This is the cooperative work of Japan Agency for Marine-Earth Science and Technology (JAMSTEC) and Meteorological Research Institude, Japan Meteorological Agency (JMA/MRI) using the Earth Simulator.

Leaflet introducing FORA-WNP30 is available in English and in Japanese.


Mar. 13, 2023

Due to the completion of maintenance, we resumed the data download function.

Data Policy

The copyright of the data on this site belongs to JAMSTEC. For more information about the terms and conditions of using data, please see our "Data Policy" page.


If you have any questions, please contact us at the following address.