For Swiss Cheese :
No gale warning.
For the night from Saturday to Sunday S force 0 turning NW force 1 in the middle of the night then NNW. Gusts reaching 11 knots from the middle of the night.
Smooth to slight sea. Low, short swell from NW. Excellent visibility becoming excellent in the middle of the night. Daytime of Sunday 18 may : The sky will remain changeable.
Good clear periods alternating with cloudy spells, rather dense in the morning. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Risk of showers as night falls. NNW force 2 in the morning turning NE in the middle of the day. Gusts reaching 14 knots in the middle of the day. Smooth to slight sea becoming slight in the evening. Low, short swell from NNW then from N in the evening. Excellent visibility becoming excellent in the middle of the day.