For Istro Wreck :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
N force 3 in the morning becoming NNW force 4 in the middle of the day. Gusts reaching 21 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from WNW. Excellent visibility.