Correctly assessing weather forecasts and GRIB files and acting accordingly is one of the most important foundations for a safe and relaxed passage. The theory covered in this course is limited to meteorology for onboard practice. Below is an overview of the topics.
- Fundamentals, terminology
- Clouds
- Meteorological phenomena
- Rules of weather interpretation
- Weather in the North Sea, Baltic Sea, and Mediterranean
- Sea state
- Meteorological measuring instruments
- Collection and interpretation of marine weather reports
- Weather information reception systems / GRIB data
- iMeteo and apps
- Weather routing
- Test exercise

The course instructor, Serge Courtois, will be happy to answer your questions, such as how weather services work, what sailors need to pay attention to when using weather forecasts, and what the risks of weather apps are. The course will take place from 10:00–12:00 and 13:00–16:00 on Saturday (autumn 2026) at LGL, 41A avenue Victor Hugo, L-1750 Luxembourg. The course is conducted in the Luxembourgish language. The maximum number of participants is 20, and the course fee is €90. To register, please click here.