Weather4D with Mac M1

We've been talking about it since 2020 in the Facebook group of Weather4D users, the messaging app Weather4D Routage & Navigation (¹) now works on Mac with ARM processors : Mac M1 and later, from the system macOS 11.x (“Big Sur” et seq.). Simply connect the Mac to a GPS receiver or NMEA gateway via Wi-Fi to receive the position and navigation data of the instruments. Read more …

Bad weather for iNavX [Update]

What I've been planning for a while has finally happened. : iNavX lost Navionics mapping ! It seemed obvious that the historic contract which allowed iNavX to have privileged access to Navionics cartography, since the origin of the application designed by Richard Ray in 2009, was threatened. Since then things have changed a lot : repurchase of the application by NavX Studio (¹), acquisition of Navionics by Garmin (²), generalization of the annual chart subscription policy (³)… Read more …

Predict storms with Weather4D


In Weather4D (all versions) most weather models provide a data called CAPE.

Convective Available Potential Energy, in French : Energie potentielle de convection disponible. Behind this obscure acronym hides a powerful storm forecasting tool. CAPE is measured in Joules per kilogram of air (J/Kg) and defines the vertical buoyancy energy of a hot air particle in a colder atmosphere. In other words, vertical acceleration of the air particle will be directly related to this energy measurement. Read more …

Weather4D and iOS LAN

From iOS/iPadOS 14.5, A new setting has appeared proposing to allow applications to access the Local area network. This option is offered when installing a new application, but is not necessarily activated if the application is already installed when the OS is updated.

Since then, Many of you are no longer able to connect certain applications (Weather4D, iNavX, aso.) Wi-Fi-connected devices : Iridium GO!®, Multiplexers, Miscellaneous NMEA gateways. To do this, you must activate this "Local network" option for the application concerned. Read more …

Navygatio : Weather4D's 5th dimension [Update]

Navygatio - page d'accueil web

Navygatio – Web Home Page

Weather4D Routage & Navigation brings a major novelty : The ServiceNavygatio (¹), a web interface which will allow to record the navigations on a server as time goes by, add photos, to share own page with relatives, compare tracks, Analyze performance, and much more to come. A real " Cloud at the unique service of Weather4D Routage & Navigation users with iOS and SailGrib WR with Android. Read more …