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.
Skies progressively hazing over in the morning, sunny, progressively clouding over in the afternoon. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. SW force 2 turning NW force 3 in the middle of the day then NNW force 4. Gusts reaching 17 knots in the evening. Smooth sea. Low, fairly long swell from W. Good visibility becoming good in the middle of the day then excellent.