According to the MTA:
F Jamaica-bound trains run via the E after 47-50 Sts to Roosevelt AvThe Roosevelt Island Operating Corp (RIOC) adds:
Weekend, 9:45 PM Fri to 5 AM Mon, Sep 6 - 9
No Jamaica-bound service at 57 St, Lexington Av/63 St, Roosevelt Island and 21 St-Queensbridge.
The MTA has advised that there will be no Queens bound F trains this weekend, September 6th-9th from 9:45 PM Friday to 5 AM Monday. Trains will be rerouted via the M line.
For service to Queens, take the Manhattan-bound F train to 47-50th Sts. and transfer to a Queens- bound F train.
For up to the minute F train service updates, visit www.mta.info or call 511. To sign up for real time alerts on planned service changes, visit MYMTAALERTS.com.
Roosevelt Island Operating Corp Advisories Group