For Poros :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, changeable skies clearing completely.
No precipitation. WNW force 2 turning N in the middle of the day then NNW. Gusts reaching 14 knots from the middle of the day. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from SE. Excellent visibility.