• PocketGrib Lite 1
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PocketGrib Lite

With PocketGrib Lite GRIB file viewer you can easily download, view and analyse global weather data.
Wind, preciptation, pressure, temperature and wave data extracted from GRIB files are displayed through our simple interface.

The Lite version is limited to downloading and viewing 48 hours of forecast data using the GFS weather model to 1° resolution and 6 hour time step. Upgrade to the full version to get up to 8 days of forecast across the full range of weather models with the highest resolution.

This GRIB viewer is perfect for sailors (both sailing and in the pub), windsurfers, storm chasers, outdoor enthusiasts, amateur and professional meteorologists.

Features
- Choose your map location and have weather information overlaid
- Mapped weather can be animated
- Weather can be viewed as a meteogram (graph) or raw data
- Configurable download to minimise file sizes (great for roaming)
- GRIB files can be downloaded to your PC
- Displays online or offline

PocketGrib downloads and displays the following weather types:
- Wind speed and direction (10 m above mean sea level)
- Precipitation (rain, snow etc)
- Pressure
- Air temperature
- Waves (including Mediterranean and Black Sea)
- Cloud cover
- Relative humidity
- CAPE (Convective Atmospheric Potential Energy)
- Current (Atlantic only)Direct download of GRIB data from NOAA's GFS (Global Forecast System) model
- Forecasts up to 2 days (full version to 8 days)
- Data steps: 3hr (full version), 6hr, 12hr
- Worldwide Coverage
- Resolution: 0.25° (full version), 0.5° (full version), 1°, 2°
- Data updated 4 times a day (every 6 hours)The full version also support for COAMPS, WW3, NOGAPS, RTOFS (Currents) and FNMOC WW3 (Mediterranean wave) models.

By downloading only what the user needs it it possible to keep the GRIB files small which makes it especially convenient for low bandwidth regions or when roaming internationally.

GRIB forecasts are published without human intervention or review. Therefore some knowledge and awareness is required by the end user. Most GRIB models do NOT accurately forecast hurricanes and tropical cyclones so their use should be combined with specific hurricane and tropical cyclone forecasts.

Category : Weather

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Reviews (28)

Car. D. Dec 23, 2019     

Well its the light version so note the grib selection and duration is limited. It gives you a good idea of what the app does. After a year I upgraded to paid version which has higher resolution and more models. It also goes farther into the future. Its the information that you want without the advertising and other nonsense. How windy how wet and how big are the waves...

Cha. M. Dec 12, 2021     

Non existent Customer Support. Have used for several year and found it useful. Recently on both my phone and tablet it started playing up Slow to download, map only partially showing and display pixelating on modest zoom. Emailed developer 8 days ago. Deafening silence. Not acceptable. Will unintall and subscribe to Windy instead.

kor. p. May 29, 2020     

Very good accuracy on all regions. I would like to rate it 5 stars actually but user interface is not the best. But data quality is best.

Gra. G. Aug 2, 2020     

I like using grib files in making my weather decision when setting out for passage making, sailing and flying. Pocket grib is quick, accurate and easy to read. Very accurate and functional.

Gar. M. Aug 16, 2021     

I find the App useful for wind direction when planning a cycle ride (over land) the cloud/rain is a bit hit and miss, other wise it's good.

Kat. A. Dec 30, 2019     

Simple to use. Unfussy interface. Does one thing well, which I wish more app designers would do!

Man. K. Jul 22, 2020     

An easy to use and very accurate tool for sailing, mountaineering and other weather-dependent engagements.

Dal. H. May 5, 2019     

Seems a straightforward no nonsense app, with a small data requirement, ideal when off grid for forcasts..😃👍⛵⭐

Jos. M. Dec 3, 2021     

Very simple, straightforward GRIB reader. Does what it says on the tin.

Wil. W. C. I. Sep 3, 2019     

Great. Pleawe add thr NAM and ability to see more than two days into the future that'd be great

Leo. V. L. Mar 10, 2019     

Easy and little data demand. Misses short term weather effects.

kia. f. Jan 31, 2019     

max zoom out is limited and we can not see wide area map.

Max. B. Jul 10, 2019     

so far so good. wish it would refresh when in nwifi automatically

Ped. H. F. May 13, 2019     

Great app. it has not failed once on the forecast!

Ter. O. Jun 9, 2019     

excellent, weather model is very accurate

Chr. R. Jul 17, 2019     

General good, wave height will be better.

Dir. D. Apr 13, 2020     

Love this app, usually pretty accurate easy to use

ras. n. Aug 29, 2021     

Very simple use I like this app this is useful rain forecast is little ?

Han. V. Jan 13, 2019     

does what it says. I use it as a quick tool to check upcoming winds.

Cyn. M. Jul 20, 2019     

Straightforward to use, clear to see the predictions.

Bar. C. May 19, 2021     

I use this app for offshore sailing, excellent, H highly recommended.

Pet. W. Jul 22, 2019     

liked it so much I paid for the full version.

Ras. N. May 21, 2020     

I am a sailor this app very use full Thanks

Dav. F. Dec 11, 2019     

Gets gribs. Shows gribs. Price is awesome.

Cra. J. Apr 11, 2019     

what a great app

Eug. W. May 5, 2020     

Available when I need it

A. G. u. Jul 21, 2018     

Winds from this app were totally out of sync with the National Weather Service, Environment Canada, and reality.Proved to be useless.

Joh. K. Sep 19, 2017     

Excellent app. I have used it for 5 years to sail the south coast and west of scotland. Next year i will use it for irish sea. Everyone needs this app.