For Lavrio :
Warning moderate gale offshore.
The reliability of the situation is very good.
Skies very cloudy to overcast in the morning, changeable skies becoming relatively cloud-free in the afternoon. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, clear skies.
N force 6 becoming force 7 in the middle of the day then force 5. Gusts reaching 51 knots in the middle of the day. Moderate sea. Low, short swell from E. Excellent visibility.