Velero Reginavideo

Receiving Gribs on the Garmin Inreach

5 April 2024 · 17 min · 1K views · Porto Santo

What this video covers

Receiving high-resolution GRIB weather files on a Garmin inReach device requires a custom automated workflow, as the hardware does not natively support these files.2:05 The process utilizes a Python script hosted on PythonAnywhere to bridge the gap between the inReach and SailDocs.6:16 Users send a GRIB request via the Garmin Earthmate app to a dedicated Gmail account.6:12 The server-side script monitors this email, forwards the request to SailDocs, receives the resulting GRIB file, and breaks it into smaller, encoded text messages.6:38 These segments are sent back to the user’s tablet via the inReach satellite network.6:38 Once received, the user must manually copy and paste the segments into a local Jupyter Notebook decoder to reconstruct the original GRIB file.10:07 The final file can then be opened in weather-routing software like SailGrib or XyGrib for analysis.13:17 This system offers a cost-effective alternative to Iridium GO or Starlink for obtaining weather data offshore.4:53

Watch on YouTube

More from Velero Regina

Sailing on the Regina one last timeSept 2026Preparing Regina for the new ownerSept 2026Regina has been soldSept 2026Miss Regina Boat TourAug 2026

From Velero Regina — see the channel’s boat, crew, and every analysed video.

The Sailing Directory Newsletter

One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.

Report an issue