What would cause honda crv wind noise?

If You're getting wind noise in Your Honda CR-V, the cause depends largely on Your configuration. For example, if You have a model with a sunroof or moonroof, that's Your most likely culprit. The seal around which can often dry rot and crack, especially with advanced age; alternatively, it might just be d***y, thus preventing an adequate seal to form, keeping air out of Your cabin. If You don't have a sunroof, You'll likely look to the doors and windows next. Wind noise is caused by air entering somewhere, and the most likely candidates are weathered seals. See if You can isolate a specific door or window, and closely inspect its trim. If You see significant damage, it's best to replace.