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Open Data Stack

Monsun Labs uses open data only — reproducible tutorials with ERA5, Copernicus Marine, NOAA, GLOSS, and IOWAGA.

Primary Sources

Source Access Used for
ERA5 cdsapi Wind, waves, SST, pressure
Copernicus Marine copernicusmarine Currents, SSH, SST, waves
Open-Meteo Marine REST API SST, wave height
NOAA CO-OPS Download / API Tide gauge, sea level
GLOSS Station catalogs Sea level
IOWAGA WW3 ERDDAP Hs, Tp, direction
Satellite altimetry Copernicus / AVISO SSH validation

Core Libraries

Library Role
xarray + netCDF4 NetCDF I/O, lazy loading
pandas CSV export, time indexing
cartopy + matplotlib Maps and figures
utide / pytides Tidal analysis
erddapy ERDDAP / WW3 access

Sample Data

Pre-sliced files ship with each tutorial repo — for example, extract-point/data/.

Full access instructions and attribution requirements are in DATA_SOURCES.md on GitHub.

Dependencies

Each tutorial repo pins its own requirements.txt or environment.yml. Check the tutorial repo before running locally or in Colab.

New to This Stack?

Start with the Point Extraction tutorial — it uses ERA5 sample data included in the repo. No API key required to run the notebook.