Index: wflow-py/wflow/wflow_bmi.py
===================================================================
diff -u -r923f51dda655567bb2c0dac51b3caccfaf6494f0 -rf3fc3a28764715360aa98992bc4026f910cc8d3b
--- wflow-py/wflow/wflow_bmi.py	(.../wflow_bmi.py)	(revision 923f51dda655567bb2c0dac51b3caccfaf6494f0)
+++ wflow-py/wflow/wflow_bmi.py	(.../wflow_bmi.py)	(revision f3fc3a28764715360aa98992bc4026f910cc8d3b)
@@ -664,8 +664,8 @@
         :return: The size of a grid cell for each of the dimensions of the given variable, e.g. [width, height]: for a 2D grid cell.
         """
         dims = self.dynModel.wf_supplyGridDim()[2:4]
-        x = dims[2]
-        y = dims[3]
+        x = dims[0]
+        y = dims[1]
         return [y, x]
 
     def get_grid_origin(self, long_var_name):
@@ -677,7 +677,8 @@
         :return: X, Y: ,the lower left corner of the grid.
         """
         dims = self.dynModel.wf_supplyGridDim()
-
+        x = dims[0]
+        y = dims[1]
         return [y, x]
 
     def get_grid_x(self, long_var_name):