21kn earlier calm seas according to 2 social media contributors. Noise was storm. A social media poster claims she was told some weeks ago rudder needs adjustment. Beware the social media expert.
She was doing 19.4 kn off lisbon earlier with Cadiz ETA 0745 Friday as planned. NW gales across Biscay veering from sw so head seas to beam seas. Speed does not indicate mechanical problem.