For Schinias, Marathonas :
Warning strong breeze offshore.
The reliability of the situation is very good.
Skies very cloudy to overcast in the morning, cloud and sun in the afternoon. Heavy showers weakening in the afternoon. In the evening, very cloudy skies becoming totally overcast.
Heavy showers. SSE force 4 turning SW force 3 in the middle of the day then ENE. Gusts reaching 43 knots in the morning. Moderate sea becoming slight in the middle of the day. Low, short swell from ESE. Excellent visibility becoming poor in the evening.