For Mongonissi :
No gale warning.
The reliability of the situation is very good.
Overcast in the morning, very cloudy in the afternoon. Showers will be frequent and heavy. In the evening, good clear periods but lots of cloud, too.
Showers towards the end of the night. SSW force 4 in the morning turning WNW force 5 in the evening. Gusts reaching 29 knots in the morning. Moderate sea. Low, short swell from SSW then moderate in the middle of the day then, fairly long swell from SW. Excellent visibility temporarily in the middle of the day.