def get_waze_navigation_link(xy_tuple):
    """
    Create a navigation link from a tuple containing an x and y tuple for Waze.
    :param xy_tuple: Tuple of (x,y) coordinates.
    :return: String url opening directly in waze for navigation.
    """
    return 'waze://?ll={lat},{lon}&navigate=yes'.format(lat=xy_tuple[1], lon=xy_tuple[0])