diff --git a/compass/ocean/tests/global_ocean/init/initial_state.py b/compass/ocean/tests/global_ocean/init/initial_state.py
index 5b6e511bd7..b48bf5d848 100644
--- a/compass/ocean/tests/global_ocean/init/initial_state.py
+++ b/compass/ocean/tests/global_ocean/init/initial_state.py
@@ -122,7 +122,7 @@ def __init__(self, test_case, mesh, initial_condition,
         if initial_condition == 'WOA23':
             self.add_input_file(
                 filename='woa23.nc',
-                target='woa23_decav_0.25_extrap.20230416.nc',
+                target='woa23_decav_0.25_jan_extrap.20230416.nc',
                 database='initial_condition_database')
         elif initial_condition == 'PHC':
             self.add_input_file(
diff --git a/compass/ocean/tests/utility/extrap_woa/extrap_step.py b/compass/ocean/tests/utility/extrap_woa/extrap_step.py
index 9e07db0ac1..38b14f951f 100644
--- a/compass/ocean/tests/utility/extrap_woa/extrap_step.py
+++ b/compass/ocean/tests/utility/extrap_woa/extrap_step.py
@@ -1,4 +1,5 @@
 import os
+from datetime import datetime
 from functools import partial
 from multiprocessing import Pool
 
@@ -48,7 +49,9 @@ def setup(self):
         """
         Determine the output filename
         """
-        self.woa_filename = 'woa23_decav_0.25_extrap.nc'
+        now = datetime.now()
+        datestring = now.strftime("%Y%m%d")
+        self.woa_filename = f'woa23_decav_0.25_jan_extrap.{datestring}.nc'
         self.add_output_file(self.woa_filename)
 
     def run(self):
@@ -162,7 +165,7 @@ def _extrap_vert(self, use_ocean_mask):
             out_filename = 'extrap_ocean/woa_extrap.nc'
         else:
             in_filename = 'extrap_land/woa_extrap_horiz.nc'
-            out_filename = 'woa23_decav_0.25_extrap.nc'
+            out_filename = self.woa_filename
 
         ds = xr.open_dataset(in_filename)