A southwesterly, very strong and very variable flow prevails over the whole area.
For Spiekeroog :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny, changeable at times in the afternoon. No precipitation. In the evening, very cloudy.
Drizzle in the early hours. SW wind force 4 continuing all day. Gusts reaching 21 knots from the middle of the day. Slight sea. Low, short swell from NW. Excellent visibility.