For Agios Marcos Shipwreck :
No gale warning.
The reliability of the situation is good.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, clear skies.
NNW force 3 turning NNE in the middle of the day then SSE force 2. Gusts reaching 21 knots until the middle of the day. Rippled sea becoming smooth in the middle of the day. Low, short swell from ESE. Excellent visibility.