Roosevelt Island Transportation This Weekend - No Roosevelt Island F Train Service From Manhattan, Both Tram Cabins At Full Capacity And NYC Ferry Winter RI Service Schedule

No Roosevelt Island F Train service from Manhattan this weekend.

According to the MTA:

TRACK MAINTENANCE 11:45 PM Fri, Dec 7 to 5 AM Mon, Dec 10 to 5 AM Mon Jamaica-bound F trains are rerouted via the E after 47-50 Sts in Manhattan to Roosevelt Av in Queens.

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

... To Roosevelt Island and 21 St-Queensbridge, take the F to Roosevelt Av and transfer to a Brooklyn-bound F.

From these stations, take a Brooklyn-bound F to 47-50 Sts and transfer to a Jamaica-bound F. 

Also:

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

Both Tram Cabins operating at full capacity.

There is Roosevelt Island ferry service on the Astoria Route. Here's the Winter Schedule for Roosevelt Island ferry service.