For U 171 wreck :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, good clear periods with lots of cloud in the afternoon. Light showers progressively dying out in the morning, possibility of showers in the afternoon. In the evening, good clear periods but cloud building.
Possibility of showers SE force 3 in the morning turning E in the evening. Gusts reaching 12 knots. Moderate sea. Moderate, fairly long swell from WSW. Visibility reduced by mist becoming reduced by mist in the middle of the day.