Avalon Offshore8.1.1 - App Store

Avalon Offshore is a complete weather routing and navigation application .
It works on iPads and iPhones. It also works on the new generation of Macbook Air and Pro,equipped with an ARM 64 chipset.
Avalon Offshore integrated the whole set of functions that are useful to cruisers and offshore racers; weather routing, weather, navigation with NMEA 0183 and AIS collision alarm, anchoring alert, regatta start management wit laylines, etc...
Avalon includes automatic loading of 65 weather models: NOAA GFS, Metro France Arpege,and Arome, DVD Icon, OpenWRF Skiron, etc
Avalon also includes advanced functions such as:
- Bathymetric weather routing, allowing calculation of routes taking into consideration the draft of the boat.
- Simultaneous comparaison of routes across different weather models, different routes options, etc...
- Free use of Avalon VPP to calculate customised VPP polars for single hull boats (main sail + genoa, code 0, gennaker, spinnaker, staysail and mizzen sail.
- High compression of weather data on several models (GFS, Arpege, Icon, NAM Caraïbes et USA East) enabling to reduce by up to 95% volume of data, very efficient for satellite transmission (Iridium Go, Iridium Inmarsat, etc)
- Easy weather routing module (from harbor to harbor) for a quick start of the app.
- Compatible with (c)Navionics Boating maps without additional cost.
- Interfaced with (c)Navily for a quick selection of the best moorings and harbors.
- On time arrival : Calculate departure time to arrive on a given time
- Compatible with ActiveLook(R) Augmented Reality glasses

VPP Polars
- Free use of Avalon VPP to customize your boat velocity preduction and adapt them to the exact caracteristics of your boat
- Polar captation at sea

Nautical Maps
- Free raster nautical maps: NOAA, Linz, Brasil, New Zealand
- In-app pack of maps derived from UKHO or SHOM covering France, UK Belgium, Portugal, Spain Carribean, Eastern and Western Mediterranean, Transatlantic, ...
- Personal maps support: mbtiles, tif, kap, geotiff
- Navionics maps: You can use your Navionics Boating maps with Avalon free of charge.

Weather Sources
- 65 automatic weather sources (wind, gust, current, wave and general weather) included in the Premium Option (in-app purchase)
- Capability to load external grib files (as an alternative to the Premium option)
- Capability to load external current grib from Tidetech(R)

Includes one month free use of Premium options (see below)
IN-APP PURCHASE: PREMIUM OPTION
Includes:
- Iridium data compression (reduce by 6 transmitted volumes)
- additional weather sources: Arome, Arpege, NAM, CEP, Skiron ....
- Weather data up to 394 hours including Wind, Gust, Waves, Precipitation, Storms, Cloud Coverage, Pressure, Temperature
- Integration of currents in route calculation in covered areas (worldwide, Iberia Biscay and Ireland and Mediterranean sea)
- Waves (Swell and wind waves)

Privacy Policy and Terms of Use at: http://www.avalon-routing.com/new/privacy/

Warning: Continued use of GPS running in the background can dramatically decrease battery life.
Policy and Terms of Use at: http://www.avalon-routing.com/new/privacy/

Version History Minor fixes 8.1.1 2d ago Added Cruise Briefing created by AI
Added heelig and reefing info to all route points 8.1.0 Aug 21 Nautical Maps Management improvement 8.0.11 Jul 21 Fix weather models filtering for easier selection of appropriate models. 8.0.10 Jun 16 Fix vector maps renewal
Display beaufort zone in best start and multi scenario calculation
Weather sources re-organised with additional sorting capabilities 8.0.9 Jun 10 Added display of Beaufort zone in the best start calculation and in the multi scenario analysis 8.0.8 Jun 1 Fix to ensure compatibility with iOS 17 8.0.7 May 25 Minor fixe
Handling of exclusion zones and gates 8.0.6 May 19 - Creation of combined wind sources:
Arome HD + Arpège Europe
Arome Polynésie + Arpège Monde
Arome Nouvelle Calédonie + Arpège Monde
Arome Antilles + Arpège Monde

- Creation of the combined Ifremer current source grouping: Atlantic: 2 km, Gascogne: 700 m, Eastern English Channel: 250 m, Western English Channel: 250 m, Finistère: 250 m, South Brittany: 250 m, and Aquitaine: 250 m

- Display of isochrones and the previously calculated route directly in the layers display table. 8.0.5 Apr 29 Fix display weather on iPhone
Fix color line of sight on Navionics 8.0.4 Mar 19 Added DST objects to Avalon vector maps
Fix on departure time calculation. 8.0.3 Mar 11 Minor fixes 8.0.2 Feb 19 Minor fixes 8.0.1 Jan 24 New design with intuitive icons
Merge Weather Routing and Weather modules
2 user modes: complete and simplified
More space on the screen for the map and the route 8.0.0 Jan 21 Fix display gust when very strong winds 7.3.2 11/26/2025 Added dark mode
minor fixes 7.3.0 11/08/2025 New algorithm to balance distance vs time
Easier creation of regatta definition with the possibility to "stick" waypoints to lights and beacons
Internet connection test
Miscelleanous fixes and cosmetics 7.2.1 10/12/2025 More explicit navigation alarms: Shallow waters ahead, TWA, heading, depth, anchorage, AIS, etc.
Update notifications in the "STORE" module
Predefined offshore regatta courses
Transfer courses between users
Ability to set certain weather models in automatic selection mode 7.2.0 08/22/2025 Added maximum TWA per sailset
Display sectors for beacons and lighthouses on Avalon Maps 7.1.0 07/18/2025 Added lighthouses and beacons sectors 7.0.8 07/10/2025 Technical release 7.07 06/08/2025 Bathtmetric weather routing available now on long cruises 7.06 05/30/2025 Fix interface Navionics
Fix ENC card colors 7.05 04/24/2025 Fix soundings in Avalon Maps 7.04 04/18/2025 Fix scrolling for iPhone mini 7.03 03/14/2025