News
<Aug. 17, 2026>
Notice of temporary suspension of Web and SFTP Service (Aug 19th - 20th, 2026)
Due to system maintenance, AMSR2 data updates may be delayed during the following period.
Date and Time : 05:30 August 19th, 2026(UTC) - 05:30 August 20th, 2026(UTC)
Please note that AMSR2 Near-Real-Time (NRT) data will not be available during the suspension period.
We apologize for the inconvenience.
About GHRSST
JAXA provides near-real-time data Sea Surface Temperature (SST) retrievals from several passive microwave imagers as a contribution to the Group for High Resolution SST (GHRSST).
Those SST products are produced at Earth Observation Research Center (EORC) of Japan Aerospace Exploration Agency (JAXA).
All SST products are in GDS format defined by GHRSST, and available as L2P (swath grid) and L3C (daily grid) products.
To see near-real-time browse image, please go to "NRT Monitor".
To download SST, please make user registration to get near-real-time binary data from below.
Available Microwave SST products
| • AMSR3 SST | (GOSAT-GW) | from 11 August 2025 to present |
| • GMI SST | (GPM) | from 4 March 2014 to present |
| • AMSR2 SST | (GCOM-W) | from 3 July 2012 to present |
| • WindSat SST | (Coriolis) | from 3 August 2011 to 19 October 2020 |
| • AMSR-E SST | (Aqua) | from 1 June 2002 to 4 October 2011 |
Available IR SST products
| • SGLI SST | (GCOM-C) | from 1 January 2020 to present |
| • AHI SST | (H8) | from 7 July 2015 to present |
| • VIRS SST | (TRMM) | from 1 April 2013 to 21 March 2014 |
