In order to night fish, the player needs to first acquire the Night Pass by completing five activities from the bulletin boards. At evening, after the player is automatically moved to the Fishing Center to convert caught fish to points, the the player can speak to the clerk, who will then permit night fishing. The player can night fish until midnight.
The player cannot night fish if he/she is using the cruiser's room. However, they can board the cruiser while it is night.