PSL Map Room - Sea Surface Temperature (SST)

The 1 degree weekly and monthly SST datasets were discontinued at the beginning of February, 2023 and replaced with .25 degree versions generated from the daily OISST v2.1 data.

Plots created from daily, weekly, and monthly NOAA Optimum Interpolation (OI) Version 2.1 SST data.

These graphical products are not guaranteed to be updated on a regular basis. They are intended to serve as examples of our ongoing work. You are free to use and distribute these images, but we request that you acknowledge PSL when you do use them. Please read the disclaimer page for additional information, including how to cite this work.