For Agios Marcos Shipwreck :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, clear skies becoming somewhat cloudy.
NW force 2 turning WSW in the middle of the day then N force 1. Gusts reaching 10 knots in the morning. Smooth sea becoming rippled in the evening. Low, short swell from WSW. Excellent visibility.