Download weather on demand over your wireless HF/SSB or satellite connection reliably, fast, and inexpensively. There are over 20,000 conveniently indexed weather products to select from.
WeatherNet is a system that is especially designed to optimize the download of weather products via wireless connections. The service offers highly compressed text, images, charts, buoy data, radar, GRIB files, and many more formats. With over 20,000 conveniently indexed, continuously updated weather products, WeatherNet is the largest most comprehensive source of weather data in the world...and the easiest to use! Geographically indexed data is available to the user on demand by the push of a button. Scroll down for more valuable information.
TRY THE DEMO
A limited functionality DEMO version of WeatherNet supporting most of the weather products is available a no charge. This version of WeatherNet requires registration to obtain a DEMO key which will unlock the program for 3 days. DEMO registration keys can be obtained by filling out the request form. Return here to purchase the full version of WeatherNet after the DEMO expires.
WEATHERNET DEMO DOWNLOAD DEMO REGISTRATION REQUEST FORM
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Purchases our most popular WeatherNet Data Package with GRIB Explorer included
- GMN Favorite Weather Data Package - Our most popular weather data package. Take some guess work out of planning voyages with all this weather and ocean data plus the power of GRIB at your fingertips. For Windows OS systems.
 Purchase Favorite Weather Data Package 
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Purchase WeatherNet Service
- Annual Subscription to WeatherNet - Download weather on demand over your wireless HF/SSB or satellite connection; reliably, fast and economically.
Purchase Annual WeatherNet Subscription
Reload WeatherNet DataCard
- Add Value to your current Weather DataCard.
Reload WeatherNet DataCard $75
Reload WeatherNet DataCard $250
Reload WeatherNet DataCard $500
Reload WeatherNet DataCard $1000
For your convenience your account will be set to automatically renew. You will receive an email alerting you of this process one week before your next renewal. If you would like to stop the subscription at that time, please notify us via email.
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Purchase GRIB Explorer Software sold separately
- Purchase GRIB Explorer Software
How WeatherNet works
Simply drag the weather products into a batch folder and then push the button. WeatherNet immediately connects to the server via a wireless connection or via an e-mail service and downloads the requested data. After the download, WeatherNet can be configured to automatically display the new weather data with programs such as OCENS GRIB Explorer or other viewers.
WeatherNet consists of these three components:
* An internet robot: It continually crawls the internet updating the local content store of weather data on a Central server that is stored in a secure co-location facility with 100% network access guaranteed assuring the user the most complete and up to date repository of weather data anywhere. Note that about 1/2 the weather products are generated locally and packaged specifically for WeatherNet.
* The weather server: It interacts with the client application running on the user's computer. The server accepts requests for weather data, compresses the data, packs the data into a proprietary data stream specifically designed for wireless data connections, and sends the data to the client application.
* The client application: It interacts directly with the user allowing him/her to easily select weather products adding them to batches which can with the click of a button be enabled or disabled. By simply pushing a button the application connects to the server via the desired wireless interface and immediately downloads the requested weather.
To download weather you simply run the WeatherNet client on your Windows PC or Mac, enable or disable the preconfigured batches or create a new batch for your specific circumstance, push the download button, and then view the data. The data download is completed in a few minutes, when you need it. This product is revolutionary in that there are no firm schedules to adhere to or lengthy downloads. You get the data you need, when you need it and on your own terms.
Compression
Here are some of the ways we reduce weather data sizes and save you money.
* Proprietary transfer protocol - The WeatherNet server speaks to the client running on your PC with a wireless protocol specifically designed to optimize download transfers of data. Standard internet protocols such as FTP and HTTP are very inefficient when downloading weather over a wireless device such as a satellite phone. Our benchmarks show an increase of 3x when transferring comparable data with WeatherNet vs. FTP over a Globalstar satellite link. A factor of 7x improvement has been observed for HTTP transfers over the same medium.
* Proprietary compression of weather images - WeatherNet's compression technology reduces standard weather images by 2 to 10 times their original size.
* HTML stripping - All HTML weather content is converted to plain text reducing sizes by a factor of 5. A 10K offshore HTML forecast is reduced to 2K for example.
* Data condensation - For certain weather products, such as Buoy data, WeatherNet extracts pertinent material removing dead wood. Buoy Text goes from 100 lines to 2 lines yielding current observation data and removing all historical readings.
Bottom line... WeatherNet's advanced compression features dramatically reduce the time required to download weather. This savings in time translates directly to air time savings to you.
Viewing Weather Data
GRIB files downloaded with WeatherNet can be viewed on a number of different commercially available viewers.
GMN offers a full featured viewer call GRIB Explorer. GRIB Explorer has now been integrated with WeatherNet for a simple and seamless download and display of your GRIB data. Learn more about GRIB Explorer on our GRIB Explorer page.
Read  What's a GRIB a short story on GRIB files.
Need to know more about weather forecasting with GRIB files? Check out Chris Parker's Coastal and Offshore Weather, the Essential Handbook in our book section.
Wireless Interfaces
WeatherNet supports any wireless interface that supports a Windows Dial Up Interface. Supported devices include:
* Cellular phones
* Globalstar satellite phones
* Iridium
* Inmarsat M/F
* SSB/HF Pactor III
* MSV/MSAT Satellite
* Generic Internet Connection (Dial up, DSL, ISDN, Broadband)
* E-Mail interface allows WeatherNet to request weather using any E-Mail client. Works with SailMail (AirMail), Winlink (AirMail), Outlook Express, OCENS Mail, XGate, MAPI, Cut/Paste buffer, and many others.
Literature
Please review our current press releases.
* Press release
* Aviation White Paper
Pricing
WeatherNet's fee structure is revolutionary. Users imply activate their account and then pay for the weather they download. Each weather product is priced independently; data costs including estimated air time are computed prior to the download. The amazing thing is that WeatherNet is so efficient that you will pay less using this for pay service than you would downloading this data for free over the internet using conventional methods!
| Cross sample of some of the data available including sample pricing |
| Aviation | 06HR FL390 WIND AND TEMPERATURE V06Z Western Atlantic | $0.30 |
| Buoy | Buoy 46001 at Offshore Gulf of AK AK.216 | $0.18 |
| Aviation | 06HR FL390 WIND AND TEMPERATURE V06Z Western Atlantic | $0.30 |
| Ice | Regional Antarctica Ice Edge Polar view of South pole | $0.50 |
| Nexrad | Composite long range reflectivity for Anchorage station | $0.30 |
| Ocean Chart | Barents Sea Sea Surface Temp (SST) | $0.90 |
| Weather Chart | 12 Z Sea State Analysis, 45 W - 85 W Northern Hemisphere | $0.30 |
| Text | Brownsville, TX Coastal Forecast | $0.18 |
| Satellite Imagery | Atlantic basin GOES IR | $0.90 |
| GRIB | Hi Resolution Sea surface Temperatures | $2.00 |
| GRIB | One Day Winds available Globally | $.039 |
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