Import and display GRIB weather files for offshore passage planning. - [ ] GRIB1 and GRIB2 support - [ ] File import via iOS share sheet / Files app - [ ] Layers: wind (speed + direction), pressure, waves, precipitation - [ ] Time slider across forecast timesteps - [ ] Respect same rendering styles as the weather overlay (#130) - [ ] Reference: OpenCPN GRIB plugin
Import and display GRIB weather files for offshore passage planning.