For U 171 wreck :
No gale warning.
The reliability of the situation is assessed at 90%.
Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, relatively cloudless skies clearing.
NW wind force 5 continuing all day. Gusts reaching 23 knots in the morning. Slight sea. Low, short swell from W. Excellent visibility.