B Based on the Central Java Provincial RSP, 990,652 hectares of wetland farming was established. There has been a decrease of wetland agricultural land area in Magelang, Pekalongan and Kendal districts that need to be anticipated to be unsustainable and widespread. Therefore this study is intended to assess the rate and flow of agricultural land changes and the adequacy of food availability and demand due to changes in agricultural land wetlands. The method used in this research is by using descriptive and spatial method. A descriptive method to explain the results of spatial ananlisis in terms of the relevant provisions of the decrease of agricultural land area. The results of the research are the changes of wetland farmland to farmland, dryland farming and residential land, as well as compliance with district and non-compliance RTRW will be given sanctions. The decline in area land area is based on the drivers of policy and infrastructure. The need and available of food in Magelang. Pekalongan and Kendals districs is projected over the year 2025 in Magelang and Kendal Districts will cause problems where the demand is greater than the availability of the rice production. W will be given sanctions. The decline in l olicy and infrastructure. The need and availa ngan and Kendal districts is projected over Kendal districts will cause problems where ability of rice production.