For Chalkis :
No gale warning.
The reliability of the situation is good.
Sun in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, skies with few clouds.
SSW force 1 turning NNE in the middle of the day then S force 3. Gusts reaching 13 knots in the evening. Rippled sea. Low from N then from S in the evening. Excellent visibility.