Between Central Station and Nieuwmarkt station (the first station from Central Station) no metro traffic is possible.

GVB (the Amsterdam public transport company) operates a special tram line 20 to metro station Weesperplein (the 3rd station from CS).
From station Weesperplein you can take lines 53 and 54 to Amsterdam South-East. Line 51 (to Amstelveen) runs from station Spaklerweg to Amstelveen.
Between the stations Weesperplein and Waterlooplein there is a special train service.

The latest information is on the GVB website.