diff --git a/swash/processing/sws_npz.py b/swash/processing/sws_npz.py
index 815d138..7211bb5 100644
--- a/swash/processing/sws_npz.py
+++ b/swash/processing/sws_npz.py
@@ -35,6 +35,12 @@ log.info("Reading 'watl'")
 rsws.read_scalar(sws_out.joinpath("watl.dat"))
 log.info("Reading 'vel'")
 rsws.read_vector(sws_out.joinpath("vel.dat"))
+log.info("Reading 'pres'")
+rsws.read_scalar(sws_out.joinpath("pres.dat"))
+log.info("Reading 'zk'")
+rsws.read_scalar_lay(sws_out.joinpath("zk.dat"))
+log.info("Reading 'velk'")
+rsws.read_vector_lay(sws_out.joinpath("zk.dat"))
 
 log.info(f"Writing npz file in '{inp}'")
 inp.mkdir(exist_ok=True)