Index: wflow/wflow_funcs.py
===================================================================
diff -u -rfb94d37a19d0f05f001762c59125765ebea5188b -rd64d3faa22235598f86fa4ab4a1b6731eb278523
--- wflow/wflow_funcs.py	(.../wflow_funcs.py)	(revision fb94d37a19d0f05f001762c59125765ebea5188b)
+++ wflow/wflow_funcs.py	(.../wflow_funcs.py)	(revision d64d3faa22235598f86fa4ab4a1b6731eb278523)
@@ -179,7 +179,7 @@
 @jit(nopython=True)
 def kinematic_wave_ssf(ssf_in, ssf_old, zi_old, r, Ks_hor, Ks, slope, neff, f, D, dt, dx, w, ssf_max):
     
-    epsilon = 1e-6
+    epsilon = 1e-3
     MAX_ITERS = 3000
         
     if ((ssf_in+ssf_old) == 0. and (r <= 0)):