For Thessaloniki :
No gale warning.
The reliability of the situation is very good.
Cloud and sun in the morning, storms developing in the afternoon. Showers all day. In the evening, skies clearing but continuing risk of storms.
Showers. ESE force 1 turning SSW force 2 in the middle of the day then S. Gusts reaching 11 knots in the middle of the day. Rippled sea. Low, short swell from SW temporarily from N in the middle of the day. Excellent visibility becoming excellent in the middle of the day then poor.