diff --git a/wafo/dctpack.py b/wafo/dctpack.py
index aa38bcc..4640fbd 100644
--- a/wafo/dctpack.py
+++ b/wafo/dctpack.py
@@ -334,19 +334,19 @@ def shiftdim(x, n=None):
 def test_shiftdim():
     a = np.arange(6).reshape((1, 1, 3, 1, 2))
 
-    print a.shape
-    print a.ndim
+    print(a.shape)
+    print(a.ndim)
 
-    print range(a.ndim)
+    print(range(a.ndim))
     # move items 2 places to the left so that x0 <- x2, x1 <- x3, etc
-    print np.roll(range(a.ndim), -2)
-    print a.transpose(np.roll(range(a.ndim), -2))  # transposition of the axes
+    print(np.roll(range(a.ndim), -2))
+    print(a.transpose(np.roll(range(a.ndim), -2)))  # transposition of the axes
     # with a matrix 2x2, A.transpose((1,0)) would be the transpose of A
     b = shiftdim(a)
-    print b.shape
+    print(b.shape)
 
     c = shiftdim(b, -2)
-    print c.shape
+    print(c.shape)
 
     print(c == a)
 
diff --git a/wafo/f2py_tools.py b/wafo/f2py_tools.py
index ab591d8..74b0e97 100644
--- a/wafo/f2py_tools.py
+++ b/wafo/f2py_tools.py
@@ -58,7 +58,7 @@ def f2py_call_str():
             break
 
     try:
-        print 'found f2py in:', f2py_path
+        print('found f2py in:', f2py_path)
         return f2py_call
     except NameError:
         raise UserWarning('Couldn\'t locate f2py. '
diff --git a/wafo/graphutil.py b/wafo/graphutil.py
index 977d1f0..9a7eba5 100644
--- a/wafo/graphutil.py
+++ b/wafo/graphutil.py
@@ -39,7 +39,10 @@ def delete_text_object(gidtxt, figure=None, axis=None, verbose=False):
         figure = plotbackend.gcf()
     if axis is None:
         axis = figure.gca()
-    lmatchfun = lambda x: _matchfun(x, gidtxt)
+
+    def lmatchfun(x):
+        return _matchfun(x, gidtxt)
+
     objs = axis.findobj(lmatchfun)
     for obj in objs:
         try:
diff --git a/wafo/integrate.py b/wafo/integrate.py
index d1cb26d..08aeae2 100644
--- a/wafo/integrate.py
+++ b/wafo/integrate.py
@@ -1415,7 +1415,7 @@ def main():
     x = np.linspace(0, np.pi / 2)
     _q0 = np.trapz(humps(x), x)
     [q, err] = romberg(humps, 0, np.pi / 2, 1e-4)
-    print q, err
+    print(q, err)
 
 
 def test_docstrings():
diff --git a/wafo/kdetools.py b/wafo/kdetools.py
index ef4ae86..0d9cc06 100644
--- a/wafo/kdetools.py
+++ b/wafo/kdetools.py
@@ -26,7 +26,7 @@ from wafo.plotbackend import plotbackend as plt
 try:
     from wafo import fig
 except ImportError:
-    print 'fig import only supported on Windows'
+    warnings.warn('fig import only supported on Windows')
 
 
 def _invnorm(q):
diff --git a/wafo/misc.py b/wafo/misc.py
index c088aaa..3c18c4d 100644
--- a/wafo/misc.py
+++ b/wafo/misc.py
@@ -597,7 +597,7 @@ def parse_kwargs(options, **kwargs):
     Example
     >>> opt = dict(arg1=2, arg2=3)
     >>> opt = parse_kwargs(opt,arg2=100)
-    >>> print opt
+    >>> print(opt)
     {'arg1': 2, 'arg2': 100}
     >>> opt2 = dict(arg2=101)
     >>> opt = parse_kwargs(opt,**opt2)
diff --git a/wafo/namedtuple.py b/wafo/namedtuple.py
index ad070cd..857bd30 100644
--- a/wafo/namedtuple.py
+++ b/wafo/namedtuple.py
@@ -126,7 +126,7 @@ if __name__ == '__main__':
                                                            self.hypot)
 
     for p in Point(3, 4), Point(14, 5), Point(9. / 7, 6):
-        print p
+        print(p)
 
     class Point(namedtuple('Point', 'x y')):
         '''Point class with optimized _make() and _replace()
@@ -137,8 +137,8 @@ if __name__ == '__main__':
         def _replace(self, _map=map, **kwds):
             return self._make(_map(kwds.get, ('x', 'y'), self))
 
-    print Point(11, 22)._replace(x=100)
+    print(Point(11, 22)._replace(x=100))
 
     import doctest
     TestResults = namedtuple('TestResults', 'failed attempted')
-    print TestResults(*doctest.testmod())
+    print(TestResults(*doctest.testmod()))
diff --git a/wafo/wafodata.py b/wafo/wafodata.py
index 5faea07..defde98 100644
--- a/wafo/wafodata.py
+++ b/wafo/wafodata.py
@@ -491,7 +491,7 @@ def plot2d(axis, wdata, plotflag, *args, **kwds):
                     'Only the first 12 levels will be listed in table.')
 
             clvals = PL[:ncl] if isPL else clvec[:ncl]
-            # print contour level text
+            # print(contour level text)
             unused_axcl = cltext(clvals, percent=isPL)
         elif any(plotflag == [7, 9]):
             axis.clabel(h)
diff --git a/wafo/win32_utils.py b/wafo/win32_utils.py
index 3e53b1c..44cf945 100644
--- a/wafo/win32_utils.py
+++ b/wafo/win32_utils.py
@@ -251,7 +251,7 @@ if __name__ == '__main__':
     wb = Waitbar('Waitbar example')
 #    wb2 = Waitbar2('Waitbar example')
     for i in xrange(20):
-        print wb.update(i * 5)
+        print(wb.update(i * 5))
 #        wb2.update(i)
         sleep(0.1)
     wb.close()