data api · United States

NOAA Satellite Ocean Heat Content Suite

Cloud-native access to NOAA Satellite Ocean Heat Content (OHC) products using Icechunk, providing analysis-ready access to the original NOAA data without duplicating the underlying files. https://www.ospo.noaa.gov/products/ocean/ohc/

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What's in it

Data offered docs-verified: upper-ocean heat content (ohc) · sst · ssha · sshaE · iso20C · iso26C · omld · landmask · quality_flag (14day groups only)
Coverage docs-verified: Three regional grids: North Atlantic (na), North Pacific (np), South Pacific (sp). North Atlantic grid is 0°–60°N, 100°W–0° · 2020-04-30 through 2026-08-26
Resolution docs-verified: 0.25° (~25 km), daily
Update frequency docs-verified: Manual rebuilds, not a live feed; the last time step lags the CoastWatch archive by the time since the last build (last build 2026-08-26)
Formats llm-inferred: Icechunk (virtual Zarr store) · Zarr metadata · underlying NetCDF/HDF5 source files at NOAA CoastWatch (read via byte-range references)
Access docs-verified: Public, anonymous HTTPS/S3 access via data.source.coop, no account needed. Requires icechunk >= 2.1 and Python >= 3.12. Notebook/helper code is Apache-2.0; the underlying NOAA data licence is not stated and should be followed from the source product

Useful for

Use cases llm-inferred: Long-term upper-ocean heat content and SST context for coastal or marine climate-risk assessments in the Atlantic and Pacific basins · Daily SST baseline extraction for marine heatwave analysis in environmental or marine impact assessments · Sea surface height anomaly trend context for sea-level and coastal flood narratives in climate adaptation reports
Audience llm-inferred: climate risk consultants · marine and coastal scientists · coastal engineers · GIS analysts · environmental consultants

Limitations

Constraints llm-inferred: Not a live feed: the last time step lags the CoastWatch archive until the next manual build · Requires icechunk 2.x and Python 3.12+; icechunk 1.x will not work · Browser viewer shows no data unless CORS is disabled, so it is a look rather than an analysis tool · CoastWatch HTTPS endpoint is slow and occasionally drops connections; reads may need a retry · A few corrupt source files were dropped, so some groups start a day late and counts differ by region · Variable sets differ between daily and 14day groups, and the 14day split is by source format · Data is hosted by NOAA CoastWatch, so availability depends on that upstream service · North Atlantic grid stops at 0° longitude, so UK waters east of Greenwich fall outside it (inferred from grid extent)

Licence: see product README
Authentication: Public; anonymous HTTPS/S3 access via data.source.coop
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 14/10/2026
Page health: page reachable
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Verified via Source Cooperative API /api/v1/products/ocean-icechunks (public product, updated 2026-08-26).

Metadata observed 14/10/2026 · research sweep: manual-2026-10-15 (source.coop)