Offline Chart Packs

• How to Download an Offline Chart Pack

  Going off the grid? No problem. With Savvy Navvy’s offline packs, you can access essential charts, weather and tidal data even when you’re out of range ensure you can plot routes, recalculate routes and explore the area without cell coverage. 🎥 Prefer to watch instead of read?  View a short video on how to use Savvy Navvy's offline cSome readers

• How to Use an Offline Chart Pack

  Learn how to use offline chart packs in Savvy Navvy to access marine charts, weather, and tide data without internet. Step-by-step guide for safe navigation off the grid.Few readers

• How to Update Offline Chart Packs

  Learn how to update offline chart packs in Savvy Navvy to keep your marine charts, weather, and tide data current. Step-by-step guide for safe navigation without internet access.Few readers

• How to Rename or Delete a Downloaded Chart Pack

  Learn how to rename or delete offline chart packs in Savvy Navvy. Step-by-step guide to organizing your charts and freeing up storage on your device.Few readers

Data Layers & Overlays

• Savvy Navvy Chart Coverage

  Discover Savvy Navvy’s global nautical chart coverage. View our regularly updated Chart Coverage Map to see supported regions, sourced from trusted hydrographic offices worldwide. Stay informed on expanding areas for safe, accurate marine navigation.Few readers

• Points of Interest: Marinas, Anchorages & More

  Learn how to use Savvy Navvy’s Points of Interest — including marinas, anchorages, and Sea Tow locations — for smarter trip planning. Discover detailed information on facilities, amenities, weather protection, and reviews, and see how to instantly navigate, save, or share these key spots directly from the chart.Few readers

• Chart Details: Wind, Tidal Streams, Internet AIS, and Clouds & Precipitation

  Learn how to use Savvy Navvy’s Chart Details overlays — Wind, Tidal Streams, Internet AIS, and Clouds & Precipitation — to enhance your marine navigation. See real-time vessel positions, forecasted weather, and tidal flow directly on your chart to plan safer, more efficient routes.Few readers

• Using the AIS Data Layer in Savvy Navvy

  Savvy Navvy’s AIS data layer uses Over-the-Horizon (OHA) internet AIS to show real-time vessel positions, speeds, and courses directly on your marine chart — even if you don’t have onboard AIS hardware. Learn how to enable AIS in the Layers menu, understand vessel icons and colour coding, check range limits by subscription plan, and interpret positional variance zones. Stay safer on the water by spotting nearby vessels in busy shipping lanes or low-visibility conditions, while remembering to always navigate using good seamanship alongside AIS data.Few readers

• Chart Types: Default, Night Mode, Satellite, and Relief Shading

  Learn about all Savvy Navvy chart types - Default, Night Mode, Satellite View, and Relief Shading (UK only) - and how to switch between them in the app. Whether you need a clear marine navigation chart, a low-glare night display, high-resolution satellite imagery, or 3D-style seabed shading, Savvy Navvy’s chart types help you customise your view for safer and more efficient boating.Few readers