In addition to the prison sentence, the man must pay a fine of 5,000 baht, about 150 dollars or 130 euros, as reported by the Police of the Makkasan sub-district, in central Bangkok.
The accused was brought to justice for "causing public nuisance and obstructing traffic without authorization", according to the police statement.
The heavy rainfall has affected different areas of Bangkok and has led the authorities to declare a state of disaster in the Thai capital. The floods have complicated mobility and forced numerous citizens to seek alternatives to move around the affected areas.
The image of the man riding a jet ski through a flooded road has become one of the striking scenes of the floods, although authorities have warned of the restrictions in place for traveling through the affected areas.
The case highlights the difficulties caused by the intense rains that have hit Bangkok in recent days.