# Copernicus Marine Global Ocean daily gridded L3 sea-surface winds
*data products*

## Specifications
- **level**: L3
- **distributor**: copernicus-marine-service
- **access endpoint**: https://data.marine.copernicus.eu/product/WIND_GLO_PHY_L3_NRT_012_002/description
- **access model**: open
- **primary data portal url**: https://data.marine.copernicus.eu/product/WIND_GLO_PHY_L3_NRT_012_002/description
- **use cases**: ["Daily gridded ocean surface wind observations","Scatterometer wind monitoring","Marine forcing data"]
- **deployment context**: orbital
- **entity type**: data_product
- **last verified date**: 2026-06-11
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: copernicus-marine-service
- **attributes**: {"level":"L3","distributor":"copernicus-marine-service","access_endpoint":"https://data.marine.copernicus.eu/product/WIND_GLO_PHY_L3_NRT_012_002/description","access_model":"open","primary_data_portal_url":"https://data.marine.copernicus.eu/product/WIND_GLO_PHY_L3_NRT_012_002/description","use_cases":"[\"Daily gridded ocean surface wind observations\",\"Scatterometer wind monitoring\",\"Marine forcing data\"]","deployment_context":"orbital"}
- **relevance**: in-scope

## Editorial
The Copernicus Marine Global Ocean Daily Gridded L3 Sea Surface Winds product (ID WIND_GLO_PHY_L3_NRT_012_002, DOI 10.48670/moi-00182) provides daily-composited, globally gridded L3 ocean surface wind speed and direction observations from multiple satellite scatterometers, distributed by the Copernicus Marine Service.[^cmems-wind-product-page][^cmems-wind-doi]

Input observations come from the ASCAT scatterometers aboard Metop-A, Metop-B, and Metop-C (EUMETSAT), which provide C-band radar backscatter converted to 10 m neutral wind vector. Additional scatterometer missions contributed to the composite include ISRO Scatsat-1 (OSCAT-2), ISRO Oceansat-3 (OSCAT-3), and NSOAS HY-2B, HY-2C, and HY-2D (HSCAT), though those mission rows are not yet in the EO-Atlas catalogue.[^cmems-wind-product-page] The gridded output is available at 0.5-degree, 0.25-degree, and 0.125-degree global grids, with 0.125 x 0.125 degrees as the product spatial resolution.

Variables include 10 m equivalent neutral wind speed, eastward and northward wind components, and associated quality flags. The product is near-real-time (NRT) and is freely accessible via the CMEMS data portal under the Copernicus Marine open-data licence.[^cmems-wind-product-page]

## Compositional position
- ocean-surface-winds (topics) --[topic_capabilities]--> Copernicus Marine Global Ocean daily gridded L3 sea-surface winds

## Sources
- [cmems-wind-product-page] | Global Ocean Daily Gridded Sea Surface Winds from Scatterometer - WIND_GLO_PHY_L3_NRT_012_002 | https://data.marine.copernicus.eu/product/WIND_GLO_PHY_L3_NRT_012_002/description | tier=agency-doc | accessed=2026-06-11
- [cmems-wind-doi] | WIND_GLO_PHY_L3_NRT_012_002 DOI record | https://doi.org/10.48670/moi-00182 | tier=agency-doc | accessed=2026-06-11

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Source: https://eo-atlas.org/data_products/copernicus-marine-wind-l3
Maintainer: SpectraWorks B.V. (CC-BY 4.0)