Griblet – Free browser-based GRIB file viewer

Show HN: Griblet – Free browser-based GRIB file viewer

Griblet – Free browser-based GRIB file viewer is active in the show hn launch space.

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I sail and was tired of the tooling around GRIB files. GRIB is the binary format for weather forecasts (what NOAA/GFS publishes). If you want to view one, your options are: install a desktop app like XyGrib or OpenCPN, pay for a service, or wrestle with command-line tools.I wanted something I could just open in a browser—drop a file, see wind on a map. Couldn't find it, so I built it: griblet.appIt parses the GRIB, extracts wind vectors, and renders them as animated particles over Leaflet. Supports multi-timestep files so you can scrub through the forecast. No signup, nothing stored server-side (files are parsed in memory and discarded). I'm planning to add more layers in addition to visuali

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Website: griblet.app