Submarine Adventure at Legoland Japan. Right now the queue is 5 minutes.
Busiest around 2pm (about 9 min) and quietest around 10am (about 6 min).
Of the days recorded so far, Tuesday averages the longest queue, at about 10 minutes.
Closed during 29% of the readings taken while the park was fully open. The feed does not say why, so that covers refurbishment and weather as well as breakdowns.
The longest queue we have recorded is 30 minutes on 2026-08-23, the shortest 5 minutes on 2026-08-10.
| 10am | 6 min | 10 readings | |
|---|---|---|---|
| 11am | 6 min | 10 readings | |
| 12pm | 7 min | 9 readings | |
| 1pm | 8 min | 13 readings | |
| 2pm | 9 min | 11 readings | |
| 3pm | 7 min | 14 readings | |
| 4pm | 7 min | 10 readings | |
| 5pm | 6 min | 15 readings |
See every ride at Legoland Japan live, or read the park’s history.