LuckGrib logo

LuckGrib for iOS

Developer's Description

LuckGrib is a fully featured, easy to use, fast GRIB reader, viewer and downloader

LuckGrib comes with a 14 day free trial. If you are interested in studying weather and gaining access to detailed weather forecasts, download the app and give it a try. Note that LuckGrib does not use a subscription pricing model - after the free trial when you decide to purchase the app there will be a one time charge, not an ongoing subscription.

LuckGrib uses beautiful and fast graphics to give you insight and understanding into how the weather and ocean conditions will change through a forecast as well as showing you the details of what happens at any location.

Weather forecast data, packaged as GRIB files, can be downloaded directly from the LuckGrib server cluster. Downloads from the server cluster are fast - you can easily explore the weather world wide using some of the best weather models available.

All direct high-speed internet data downloads are free. You have immediate access to over 30 weather and ocean models.

With the optional Offshore Data in-app purchase, sailors, and other remote users, are able to download weather data while in the "middle of nowhere", some of the most beautiful places on the planet, via satellite or email downloads. There is a separate 14 day free trial available for the Offshore Data service. See offshore.luckgrib.com for more details.

Weather models are available which contain surface conditions, wave and swell state, ocean currents as well as higher altitude information such as that found at the 850mb, 500mb and 250mb levels - these levels correspond to the low cloud level or jet stream, for example. Some of the models available are: GFS, GDPS, CMC, WW3, HRRR, RAP, NAM, NDFD, Icon-EU, Arpge, Arome, OpenWRF, RTOFS

Check the support site for additional information regarding model availability. Short videos are also available, as are tutorials and other information


download your data directly from the LuckGrib server cluster

download data using the Offshore Data service via Iridium GO!, RedPort Optimizer or many email services, such as XGate, UUPlus, SailMail and others (requires Offshore Data in-app purchase)

download weather and ocean data from models created by NOAA, Environment Canada, Mto-France, Deutscher Wetterdienst (DWD) in Germany and OpenWRF

both global and regional models are available

high resolution GRIB models are supported and displayed on their native grid (you see the actual model data, not a processed version where there is room for error)

ensemble models have support for standard deviation and other information

smooth transitions and animation show how the weather or ocean conditions evolve through a forecast

instantly updated graphical and textual information as you interact with the weather models

graphs of weather values (meteograms) at a point or along a line. Meteograms are a convenient way to see trends in the weather

mark points and name them. Measure distances, simulate traveling through weather

simple weather and application tutorials

support for GRIB versions 1 and 2 allows you to import the widest range of information

import GRIB files from outside sources

access to hundreds of GRIB parameters (wind, rain, pressure, temperature, CAPE, CIN, humidity, wave information, ocean current data, vorticity, simulated radar, standard deviation, and many more)

an internet connection is not required to view downloaded files. LuckGrib acts as a fully functional viewer when away from the internet

LuckGrib has a built in GRIB file librarian, allowing you instant access to all of your GRIB files. Switching between GRIB files is very fast, allowing you to compare the results of different models or to watch how a forecast evolves over time

Full Specifications

What's new in version 1.6.1


Release December 29, 2019
Date Added December 29, 2019
Version 1.6.1

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 11.2 or later. Compatible with iPhone, iPad, and iPod touch.


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