Sri Lankan rupee forwards closed marginally lower on Wednesday on importer dollar demand, but the fall was capped due to moral suasion by the central bank, dealers said. The cost of landslides and floods, caused by days of torrential rain, will be between $1.5 billion and $2 billion at the minimum, the government said last week. Dollar/rupee forwards, known as spot next, ended at 148.25/40 per dollar, a tad weaker than Tuesday's close of 148.20/30.