For Sierksdorf :
No gale warning.
The reliability of the situation is very good.
Very cloudy in the morning, skies clouding over with storms forming in the afternoon. No precipitation in the morning, showers late in the day. In the evening, overcast skies with risk of thundery outbreaks.
Heavy showers. WSW force 4 in the morning weakening force 2 in the evening. Gusts reaching 23 knots in the morning. Smooth sea. Low from N then from W in the evening. Excellent visibility becoming reduced by mist in the evening.