Thank you kindly, Idb for a patch that solves:

llWind always returns a zero vector. In the attached 
patch the WindModule has been changed slightly to 
make wind data available for llWind 

1 files changed, 7 insertions, 1 deletions

diff --git a/OpenSim/Region/Environment/Modules/World/Wind/WindModule.cs b/OpenSim/Region/Environment/Modules/World/Wind/WindModule.cs
index 3fdb771..52eb6e7 100644
--- a/OpenSim/Region/Environment/Modules/World/Wind/WindModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Wind/WindModule.cs
@@ -35,7 +35,7 @@ using OpenSim.Region.Environment.Scenes;
 
 namespace OpenSim.Region.Environment.Modules
 {
-    public class WindModule : IRegionModule
+    public class WindModule : IWindModule
     {
 
         private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
@@ -83,6 +83,7 @@ namespace OpenSim.Region.Environment.Modules
             scene.EventManager.OnMakeChildAgent += MakeChildAgent;
             scene.EventManager.OnAvatarEnteringNewParcel += AvatarEnteringParcel;
             scene.EventManager.OnClientClosed += ClientLoggedOut;
+            scene.RegisterModuleInterface<IWindModule>(this);
 
             GenWindPos();
 
@@ -117,6 +118,11 @@ namespace OpenSim.Region.Environment.Modules
             get { return false; }
         }
 
+        public Vector2[] WindSpeeds
+        {
+            get { return windSpeeds; }
+        }
+
         public void WindToClient(IClientAPI client)
         {
                 if (ready)