Roosevelt Island Transportation This Weekend - No Roosevelt Island F Train Service From Manhattan, 57th Street F Train Station Closed Thru December, Both Tram Cabins Working & NYC Ferry Service Has More Summer Service

According to the MTA:

STATION ENHANCEMENTS | 9:45 PM Fri, Jul 13 to 5 AM Mon, Jul 16 Jamaica-bound F trains are rerouted via E the after 47-50 Sts, Manhattan to Roosevelt Av, Queens

No Jamaica-bound service at Lexington Av/63 St, Roosevelt Island and 21 St-Queensbridge.

Also:

STATION ENHANCEMENTS | Until December 2018 57 St F Station is closed

Both Roosevelt Island Tram Cabins are in operation and the MTA Vending machine at Roosevelt Island Tram station is working.

There is Roosevelt Island ferry service on the Astoria Route. Here's the new summer schedule for Roosevelt Island ferry service.

UPDATE 7/15 - Roosevelt Island has R Train service to and from Manhattan this weekend. Resident Janet Falk reports:

On Saturday 7/14, I waited for the F subway to Manhattan around 5:30 pm. There were at least 60 people on the platform waiting to go to Queens. Suddenly, there was a loudspeaker announcement that there was “No subway service to Queens.” All the passengers left.

A few minutes later, some passengers arrived on the platform. Then an R train arrived, and the newly arrived Queens-bound passengers boarded it.

The MTA signs posted in the subway were WRONG, as was the RIOC advisory. There is no F service, but there is R service running partially on the F route to and from RI.

According to the MTA:

R trains run in both directions between 57 St-7 Av and 21 St-Queensbridge , making stops at Lexington Av/63 St and Roosevelt Island, resuming normal service at 36 St, Queens.