For Porto Rafti :
No gale warning.
For the night from Monday to Tuesday WSW force 1 turning WNW in the middle of the night then NW force 2.
Rippled sea. Low, short swell from SSW then from N at the end of the night. Excellent visibility. Daytime of Tuesday 20 may : The weather will become more uncertain during the day.
Sunny becoming changeable in the afternoon. No precipitation in the morning, possibility of showers in late afternoon. In the evening, lots of good clear periods.
Risk of showers as night falls. N force 2 turning ESE in the middle of the day then SSE. Gusts reaching 8 knots in the middle of the day. Rippled sea becoming smooth in the evening. from N. Excellent visibility.