connect to redshift using port forwarding

I'm trying to connect  to redhsift , but the current redshift is configured in port 3389 , which is blocked by the company , so we've enabled a port forwarding process to connect to redshift as a temparory solution , 

when I tried to connect to redhsift after logging into bastion host instance , it still gives same error . But I can use SQL Workbench client tool to connect to . Please let me know if any thing has to be configured further .