Yes they go around Poseidon and end up waiting at the entrance to Sinbad, before they set up ropes to bring people to the actual ride entrance.
When the ride is moving the line moves fine, but weather issues will continue to be a problem for it. For those that don't know, the policy is after lightning has left the 5 mile radius zone, they wait a few minutes to make sure it doesn't come back, walk the track to make sure no trees fell down (why they have to do this manually and not with cameras is beyond me, but that was quoted from a ride op), cycle twice and then it's good. That whole process takes 30-40 minutes.