The studio and sports hall at the Les Quennevais Sports Centre has closed because of a leak in the building's roof.
School bookings next Monday and Tuesday have been cancelled and fitness classes have been moved elsewhere.
The government say it won't know when the centre can reopen until early next week.
"The centre would like to apologise for the inconvenience and reassure islanders that work is underway to fix the problem as quickly as possible."
Les Quennevais Sports Centre has had to close the studio and sports hall due to a leak in the roof that has let water into both areas. School bookings have been cancelled for Mon & Tues next week and fitness classes are being accommodated in other areas. pic.twitter.com/cv6agiluWU
— Government of Jersey (@GovJersey) November 1, 2019
@activejersey spinning classes will be in squash court 2 and St Brelade's Bowling Club will be the venue for some Pilates and Yoga classes next week. pic.twitter.com/mk2ss9rq9e
— Les Quennevais SC (@LQSportsCentre) November 1, 2019

Channel Islanders in the Middle East told to follow local warnings
LibertyBus fares increase 8% for adults and 10% for children
Jersey could be back in rugby national leagues
'No-fault' divorces allowed after 'long overdue' law change
Assisted dying will be offered in Jersey
Attempt to delay food business licensing scheme
Migration to Jersey is 'needed' for 'stable' future
Jersey U-turns on import ban on used petrol and diesel vehicles by 2030