Crowd Forecast Calendar

This is a "crowd forecast calendar" for Tokyo Sea Life Park based on past conditions. Please use it as a reference when planning your visit.

Opening hours: 9:30-17:00 (entrance and sales of admission tickets and annual passes close at 16:00)

The Crowd Forecast Calendar is based on past data trends.
The aquarium opens 9:30am to 5pm (tickets sold until 4pm).

April 2026

  • Congestion Level 1
    You can enjoy the view at your leisure./Lowest crowds
  • Congestion Level 2
    Low crowds expected
  • Congestion Level 3
    Moderate crowds expected
  • Congestion Level 4
    High crowds expected
    Many group visits have been scheduled
  • Congestion Level 5
    Highest crowds expected

*Group visits tend to be concentrated in the morning.
／Group visits tend to be concentrated in the AM.