According to the MTA , there will be Roosevelt Island F Train service

to and from Manhattan this weekend.

But:

SIGNAL IMPROVEMENTS | 9:30 PM Fri, May 18 to 5 AM Mon, May 21 F Service is rerouted in Manhattan and Brooklyn…

… No F service at 57 St, 47-50 Sts, 42 St-Bryant Pk, 23 St, 14 St, W 4 St, B’way-Lafayette St, 2 Av, Delancey St/Essex St, East Broadway, and York St.

F service operates between Jamaica-179 St and Lexington Av-63 St, and via the Q express to/from
Atlantic Av-Barclays Ctr…

Image From MTA

emember there will be only 1 Roosevelt Island Tram Cabin operating this weekend. As previously reported:

… Construction work on the Tram Station platforms, at both Roosevelt Island and Midtown Manhattan, will resume this Wednesday, May 16; and continue for up to 30 days reducing commuter service to one cabin. The Roosevelt Island Operating Corporation (RIOC) will operate a free, weekday roundtrip Red Bus service from 3 p.m. 8:30 p.m. to help alleviate evening rush-hour waiting and congestion…

Plan for long lines at the Tram Station. Image From September 2017 Tram Platform Repair Wor k Roosevelt Island Operating Corp (RIOC) President Susan Rosenthal

UPDATE – New NYC Ferry Summer Schedule starting May 21. Here’s the Astoria Route schedule for Roosevelt Island.