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LuckGrib

LuckGrib

#1 for sailors and enthusiasts

337 ratings
123 reviews
✈️ Travel
☀️ Weather
Free
In-App Purchases

Details

  • Released
  • Updated
  • March 31, 2018
  • November 11, 2025

Features

Developer

Craig McPheeters
✨Promote your app ✨
LuckGrib screenshot #1 for iPhone
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iphone
ipad
🧾$59.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐123
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📝4+ tags
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🔄6+ apps
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❓5 answered
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📦w/o updates
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About

This app provides advanced weather data visualization, downloading, and routing for sailors and weather enthusiasts. It offers access to a wide range of global and high-resolution weather and ocean models, with features for optimizing routes and analyzing complex weather parameters. Remote access via satellite is also supported.

✓GRIB file reader, viewer, and downloader
✓Advanced weather routing and route analysis
✓Satellite data access
✓High-resolution global and regional weather models
✓Ocean current models
✓Detailed weather parameter analysis
Show original description

What users say

Summarized from real user reviews of LuckGrib. Based on 337 reviews and a 4.9/5 average, it highlights the 5 positives and 3 negatives reviewers mention most about this Weather app.

Positive things

  • 🚀Excellent weather forecasting and routing
  • 👍Intuitive and user-friendly interface
  • 💡Wide range of weather models and data sources
  • 🚢Tailored for sailors and offshore navigation
  • 💰One-time purchase, no subscription fees

Negative things

  • 🐛Occasional issues with GRIB file downloads
  • ⚠️Steep learning curve for some features
  • 🔍Lack of support for some boat types (e.g., catamarans)
See all reviews

What's New in LuckGrib

2.5.1

November 11, 2025

This is a minor update, mostly to keep in sync with the Mac version after an update was required there.

6

In-App Purchases

Free

14-day Trial

LuckGrib and all weather data, for 14 days

User reviews

Most RecentHighest RatedLowest Rated

Scam

How do I bloody stop my trial and why the hell I was already charged?!
Peter BurlakovPeter Burlakov

Response from developer

The free trials expire after 14 days, there is nothing to stop. There is not an automatic progression from the trial to being charged - if you choose to purchase, you need to go through the explicit steps to make the purchase, at which point you will be presented with the Apple App store dialogues that show you what you are purchasing and ask if you want to proceed. The *only* way anybody is ever charged for anything is if they tap the 'purchase' button and agree to being charged. User error.

Incredible for Weather

Excellent, absolutely excellent, as a retired offshore helicopter pilot and a sailor weather has a lot to do with my day to day life. With LuckGrib it shows a very pictorial weather situation. This is a super app for anyone with an interest in weather.
Jknight611Jknight611

Vey good

Good
9juin20239juin2023

Response from developer

Thanks!

Great for sailing decisions!

Our sailing program depends on several of the models in LuckGrib to help us decide if our 3 sailboats with 10 students can sail or reschedule. More thorough and accurate than the other popular weather apps.
Alan BackusAlan Backus

Superb weather app

Extremely versatile tool for weather analysis and passage planning and routing. It’s not as automatic as PW, but is faster and offers better control of parameters and views. A great value for serious sailors.
Kikikikiki3306Kikikikiki3306
See 118 more reviews

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User experience

🐞

Reported Bugs

2 issues

Reported issues with 'no wind data for start time'

Bug

Occasional app crashes or freezes

Bug
✨

Requested Features

3 requests

Integration with boat instruments and data logging

Feature

More advanced routing options and customization

Feature

Improved support for regional weather models

Feature

FAQ

What does LuckGrib do?

LuckGrib is a comprehensive application for reading, viewing, downloading, and routing weather data. It specializes in GRIB files and offers advanced features for sailors and meteorologists, including access to various weather and ocean models and sophisticated route analysis tools.

What are the key features of LuckGrib?

Key features include a fast GRIB reader and viewer, optimized weather data downloads (including via satellite), advanced weather routing with constraint handling, access to a wide range of global and high-resolution weather and ocean models, and detailed analysis of various weather parameters.

How much does LuckGrib cost?

LuckGrib offers a 14-day free trial. After the trial, there is a one-time purchase for the app, not a subscription. Specific features like satellite data downloads and the isochronal weather routing system require separate in-app purchases.

What weather models does LuckGrib support?

LuckGrib supports a wide array of weather and ocean models. This includes global models like GFS and ECMWF, as well as high-resolution regional models such as HRRR, NAM, NBM (USA), Icon-EU, Arpège, Arome, DINI (Europe), and ocean current models like RTOFS, Mercator Ocean, OFS, NCOM, and CMEMS.

Who would benefit from using LuckGrib?

Sailors, from inshore to offshore, will benefit from the visualization, download, and routing capabilities. Meteorologists can utilize the powerful weather analysis tools, and any weather enthusiast can gain access to detailed forecasts from numerous models.