Weather4D

Fixed an issue that occurred with the macOS Sequoia 15.2 update that prevented the app from opening on Mac. Corrective update regarding a malfunction in the selection of time steps of some forecast models. In addition, The model Read more …

Manuals Update V.2.4 (FR/EN) of Weather4D Routing & Navigation. Fixed incorrect page numbering in the Summary. As a reminder, updating books in Apple Books : Apple iBooks becomes "Books" –––

Episode 2 – Illustrations IFREMER forecasts (see Episode 1) available in Weather4D are of two kinds : Current forecasts from the MARS2D model Sea state forecasts (combined currents and waves) based on the WW3 Ces model Read more …

Episode 1 – Description Since 7 May 2024 the latest versions of Weather4D have been enriched with several new weather and ocean models (¹). Among the latter, ultra-high current and wave forecast models Read more …

An incomprehensible malfunction occurred recently for a Weather4D user, sailing in a “lost hole” on the edge of the Indian Ocean, namely the Cocos Islands, challenged me to the point of getting lost in conjectures. A GFS file to Read more …

As part of the gradual conversion from raster maps to ENC vector maps (¹) on the Geogarage platform, Weather4D Routing & Navigation now includes the following ENC catalogs : Portugal (derived from the productions of the Portuguese Hydrographic Service Read more …

Following the complete renewal of the weather and ocean forecast models in the latest version of the three Weather4D applications (Lite, Routing, Routing & Navigation) the revised English and French User Guides are now available to download.

The latest Lite versions, Routing, Routing & Navigation arrive with a completely revised list of weather and ocean models in order to allow users to benefit from the evolution of the offer of international forecasting models. At the same time, all the Read more …

Since the arrival of ARM-based Macs (M1… M3…) and the macOS system 11 Big Sur, Weather4D Routing & Navigation works natively on our favorite computers (¹). But this happy event did not go, since then, without some small restrictions. The Read more …

Yachtmen my friends, Many of you still encounter difficulties with the subtleties of the routing function in Weather4D, despite the pages dedicated to routing errors in both user manuals (¹), which are accessible from the application by a Read more …

For those who don't know yet, from iOS 11 it is possible to run two applications simultaneously on an iPad in landscape mode (¹). This is especially handy for consulting the User Manuals for the different versions of Weather4D Read more …

Sailors my friends who love regattas and offshore racing, if you are equipped with the excellent French NKE instrumentation (¹), enjoy ! With the latest version 2.0.81 Weather4D Routing & Navigation now supports full transfer of performance data Read more …

With the Routing version & Navigation 2.0.81, Weather4D supports weather files in GRIB2 format by external download. For example, the very high resolution model ICON-D2 (¹) from the German Weather Service(DWD) for Northern Europe can be opened in Read more …

We've been talking about it since 2020 on the Weather4D users Facebook group, l’application Weather4D Routage & Navigation (¹) now works on Macs with ARM processors : Mac M1 and later, from macOS 11.x system (“Big Sur” and Read more …

New publication of the Weather4D Routing User Manual in French version. Warning, This is a new version to download that replaces the previous one (¹). The old guide should be removed from your library in the Apple Books app.

New publication of the Weather4D Lite User Manual in French version. Warning, This is a new version to download that replaces the previous one (¹). The old guide should be removed from your library in the Apple Books app.

[Updated 29 July 2022] For several years, forecast files in GRIB format have been widely used in meteorological applications.. The majority of forecast models have been made freely available by the Read more …

In Weather4D applications (all versions) most weather models offer data called the CAPE. Convective Available Potential Energy, in French : Energie potentielle de convection disponible. Behind this obscure acronym hides a powerful storm forecasting tool. The Read more …

With update 2.0.57 logbook entry is now available in Weather4D Routing & Navigation. Data transfer in the Navygatio web interface (¹) Allows logbook entries to be recorded in near real-time Read more …

From iOS/iPadOS 14.5, a new setting has appeared proposing to allow applications to access the LAN. This option is offered when installing a new application, but is not necessarily activated if the application is already installed at the time of the Read more …

New Weather4D Routing User Manual Release & Navigation French version. Warning, This is a new version to download that replaces the previous one (¹). The old guide should be removed from your library in the Apple Books app.

Weather4D Routing & Navigation brings a major novelty : Navygatio service (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, Read more …

Dans Weather4D, as generally in other applications, sea ​​state forecasts are described by ocean models. The most used is the WW3 model (Wave Watch III), published by FNMOC (Fleet Numerical Meteorology and Oceanography Center) Read more …

While, this morning of the 9th day, Hugo Boss leads the Vendée globe 2020 finishes crossing the “Doldrums” at a slow trot (¹), followed by the fleet of competitors which spreads out behind him to the north of the Read more …

Friday 13 November will not be a lucky day for the Vendée Globe skippers 2020 (¹). They will have to negotiate the encounter with the tropical storm “Theta” which crosses their path with average winds that can Read more …

On the second day of racing of this Vendée Globe 2020, we can say that the weather conditions that the skippers will experience on the descent towards the Doldrums will be particularly tough. After a departure for a while Read more …

No, it's not a joke ! Weather4D embarks with SailGrib on the Vendée Globe 2020 with Virtual Regatta. The two friends Henri and Olivier have together developed a routing module directly integrated into the game. Philippe Guigné, the Read more …

With the delivery yesterday of the version 2.0.54, Weather4D adds Imray maps (¹) to the Routing version & Navigation, recently available in the Geogarage catalog. Five layers cover the Atlantic facade (²) , of the North Sea and the Shetlands Read more …

Geogarage, the mapping platform of raster charts derived from official services, today introduced two ENC-S57 rasterized charts layers for Weather4D Routing & Navigation, covering Spain and Croatia. The recent update June, 12 June of Read more …

Numerous AIS tracking networks broadcast over the internet are available. Among the best known : Marine Traffic, Vessel Finder, SiiTech, LocateEverything, and many others. One of these networks particularly stands out, AISHub, an AIS data sharing center Read more …

Navigation apps are full of acronyms. This coded and abstruse language was originally developed for electronic navigation instruments, GPS mapping and other chartplotters. These acronyms, in the form of three letters most often, are the contraction Read more …

Sailors have always been haunted by falling into the sea. Even with a trained crew, the operation of recovering a crew water fallen is risky, Already with the engine, even more with the sail. Read more …

Christmas comes soon, and Apple Books Store will close its doors for the holidays. Publishers are required to send their books according to a set schedule. So I updated the user manuals in French and English in advance Read more …

The latest update of the three Weather4D apps (Lite, Routing, Routing & Navigation) several user-requested improvements in the display of meteograms. But what is less visible is a lot of work on the display of the maps in the Read more …

Hear, hear, hardy boaters, new Weather4D applications come up ! I wrote “the” in the plural. The two historical applications of Sarl APP4NAV,  Weather4D (mars 2011) and Weather4D Pro (November 2011 ), evolve into the interface of the now famous Read more …

Among the many new features brought by iOS 11, I particularly appreciated the improvement in the multitasking functions. The addition of a retractable "Dock" in the MacOS way, the "SlideOver" function combined with the "SplitView" function already present in iOS 10. This will greatly improve Read more …

[Update 3 mars 2019] With the multiple charts disappearances during the successive updates of iNavX, I received a number of requests for assistance in the recovery of the said charts. Regardless of the fact that I am not Read more …

We had been hoping for it for months, were expected, We waited - or we grew impatient, it depends – well, There she is : the latest update of Weather4D 2.0.20 is finally available ! On the menu, a major improvement : the Read more …

[Update 15 February 2019] The recent update of the Iridium Mail application & Web gives me the opportunity to refresh this post originally written in December 2011. The Wi-Fi Optimizer gateway from the RedPort company allows owners Read more …

No developer vacations ! I mentioned the upcoming new features tests during our long journey from Corsica to Normandy last May. After several weeks of finalization, and above all of anticipatory adaptation to the future Read more …

Delivered in AppStore this morning after two weeks of revisions and contre-revisions of Apple services, Always more picky, The new version is finally available. On the menu and in bulk : AIS via internet with AISHub, direct access to Geogarage and Read more …

Weather4D Routing & Navigation offers a choice of raster charts from many international hydrographic services. Charts folders are available for application on the French web server Geogarage. The cards are subject to an annual subscription per publisher Read more …

Weather4D 2.0 is available on Apple AppStore (*). After the success of the first two versions, APP4NAV company just revisit chart navigation on iPad and iPhone by integrating the timing dimension. With simulations and weather routing, Read more …

iPolar 2.0 arrives with several improvements, including one expected from the beginning : the possibility of exporting fleeces by email. Done, and moreover the export of fleeces (single or multi-sail) is systematically done in 3 file formats : CSV, Read more …

With the basic 1.3.3 and PRO versions 1.3.9 delivered last November, Weather4D had replaced Great Circle's fine-mesh GRIB files with its own files based on the American WRF model (¹), calculated by its own Read more …

The relationship of a recent experience of an iNavX user and Weather4D PRO routing function invites me to bring a warning to the attention of novices boaters in computer use. A regatta course, starting Read more …

Improvements… No respite for this application : two and a half months after integrating the currents into the routing calculation, this latest version provides significant advances on this function. Improvements bring greater precision Read more …

With the version 1.3.2, Weather4D PRO allows to get and display currents as GRIB data. To begin with, the available currents are provided on subscription by the company Tidetech, which I talked about a few years ago Read more …

You dreamed of it since Weather4D Pro has featured its powerful routing module. He did it ! Our Toulousian crazy developer, Olivier Bouyssou, just sent Apple a new app : iPolar. Developed in collaboration with — and for Read more …

After several months of intensive development and testing, under the conditions mentioned in a previous post, Olivier Bouyssou will offer his latest version of Weather4D PRO at the Grand Pavois 1.3.0. At no additional cost, the routing module will be Read more …