A southerly, strong and very variable flow prevails over the West of the basin. Over the East, it is northwesterly, weak and very variable.
For Helgoland :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Mist and fog in the morning, overcast skies and reduced visibility in the afternoon. No precipitation. In the evening, overcast and misty, reduced visibility.
Persistent drizzle. SSW force 3 in the morning turning SSE force 4 in the evening. Gusts reaching 16 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Visibility reduced by fog becoming reduced by mist in the middle of the day then reduced by fog.