Weather is randomized but follows oceanic patterns. GVO Navi predicts:
User points phone upward; compass + accelerometer + location data overlay visible constellations and label active GVO telescopes pointed at those objects. gvo navi
The Uncharted Waters Online community is aging, but dedicated. As of 2025, the tool is seeing a renaissance due to the "New Horizon" expansion and private server revivals. Weather is randomized but follows oceanic patterns
Game publishers (Koei Tecmo / Papaya Play / NetEase) officially forbid the use of third-party tools that modify game memory or automate gameplay. but dedicated. As of 2025
There are other tools, but none match GVO Navi’s feature set.