A westerly, moderate and very variable flow prevails over the whole area.
For Helgoland :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, good clear periods but cloud building.
Light showers. SSW force 4 turning WSW in the middle of the day then becoming force 5. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW then from N in the evening. Excellent visibility.