For Sylt, List :
No gale warning.
For the night from Saturday to Sunday NE wind force 2 continuing all night. Gusts reaching 13 knots in the early part of the night.
Smooth sea. from N. Excellent visibility becoming good in the middle of the night then good. Daytime of Sunday 18 may : The sky will remain changeable.
Cloud and long sunny periods. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
Possibility of showers NNE force 2 in the morning becoming N force 3 in the middle of the day. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. from N. Good visibility becoming excellent in the middle of the day then excellent.