For Poros :
No gale warning.
The reliability of the situation is good.
Clouding over with thunderstorms developing in the morning, skies clearing but storms likely in the afternoon. Light showers all day. In the evening, changeable skies becoming less cloudy.
Light showers progressively becoming less frequent. WSW force 2 turning NNE in the middle of the day then SSW. Gusts reaching 15 knots in the morning. Rippled sea. Low, short swell from SE. Excellent visibility becoming excellent in the middle of the day.