diff --git a/water.mss b/water.mss
index 2b77605476..f29fa651a5 100644
--- a/water.mss
+++ b/water.mss
@@ -85,10 +85,10 @@
   [waterway='drain'] {
     [int_tunnel = 'no'] {
       [zoom >= 13] {
-        line-width: 1.5;
+        line-width: 2.5;
         line-color: white;
         [waterway='stream'][zoom >= 15] {
-          line-width: 2.5;
+          line-width: 3.5;
         }
       }
     }
@@ -163,22 +163,22 @@
         [zoom >= 14] {
           bridgecasing/line-color: black;
           bridgecasing/line-join: round;
-          bridgecasing/line-width: 3;
+          bridgecasing/line-width: 4;
           [waterway = 'stream'][zoom >= 15] { bridgecasing/line-width: 4; }
           bridgeglow/line-color: white;
           bridgeglow/line-join: round;
-          bridgeglow/line-width: 2;
+          bridgeglow/line-width: 3;
           [waterway = 'stream'][zoom >= 15] { bridgeglow/line-width: 3; }
         }
       }
-      line-width: 1;
+      line-width: 2;
       line-color: @water-color;
       [waterway = 'stream'][zoom >= 15] {
-        line-width: 2;
+        line-width: 3;
       }
       [int_tunnel = 'yes'][zoom >= 15] {
-        line-width: 2.5;
-        [waterway = 'stream'] { line-width: 3.5; }
+        line-width: 3.5;
+        [waterway = 'stream'] { line-width: 4.5; }
         line-dasharray: 4,2;
         a/line-width: 1;
         [waterway = 'stream'] { a/line-width: 2; }