According to the MTA:
F Coney Island-bound trains run via the M from Roosevelt Av to 47-50 StsMore information on subway service disruptions this weekend from the MTA's Weekender.
Weekend, 11:15 PM Fri to 5 AM Mon, Apr 12 - 15
Trains run express from Roosevelt Av to Queens Plaza.
No Coney Island-bound F service at 21 St-Queensbridge, Roosevelt Island, Lexington Av/63 St and 57 St.
The NY Post reports:
Good luck getting anywhere in the five boroughs this weekend. Nearly every train line will be affected by construction interruptions this weekend.
Starting at 11:30 tonight, the MTA said the 1, 2, 3, 4, 5, 6, 7, A, C, E, F, G, J, M, N, R, and S lines will see changes at some point over the next two days as part of the Capital Rebuilding Program. Check with mta.info for further updates over the weekend....