Ocean
Oceanic variables include sea surface temperature, salinity, currents, air-sea heat fluxes, ocean heat content, and much more. Overview pages summarize and compare selected datasets of a given variable.
To find a specific dataset or variable, jump to the search box below or click your desired variable from among the blue sub-category buttons.
To see only the datasets with expert-written commentaries, select the "Datasets with guidance" button when using the search box.
Sub-categories
Climate datasets

Years of record
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"NOAA’s Optimum Interpolation Sea Surface temperature (OISST, also known as Reynolds’ SST) is a series of global analysis products, including the weekly OISST on a 1° grid…
Main variables and Earth System components
Cryosphere Sea Ice Concentration Ocean SST - sea surface temperatureExperts contributing reviews
- Banzon, Viva | Reynolds, Richard
Years of record
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This overview focuses on SST datasets designed for climate applications. The focus is on datasets with coverage back to around 1850 at monthly resolution but select…
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Formats
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Timestep
- Climatology, Daily, Monthly, Weekly
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Domain
- Global
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Collections
- Overview / Comparison page
Experts contributing reviews
- Chan, Duo | Kent, Elizabeth

Years of record
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The NOAA Optimal Interpolation SST analysis provides global, spatially complete SSTs on a weekly and monthly basis for 1982-present.
Experts contributing reviews
- Banzon, Viva | Reynolds, Richard

Years of record
- N/A
The Hadley Centre sea-surface temperature diurnal temperature range climatology is a 5x5 degree gridded climatology of the diurnal range of sea surface temperature as…
Experts contributing reviews
- N/A