A northerly, very strong and mostly variable flow prevails over the whole area.
For Hel, Chalupy :
Warning moderate gale offshore.
The reliability of the situation is very good.
Very cloudy. Risk of snow showers. In the evening, relatively clear skies becoming changeable.
Snow showers. NNW force 4 in the middle of the day becoming NW force 5 in the evening. Gusts reaching 33 knots in the evening. Slight sea becoming moderate in the evening. Low, fairly long swell from NNE. Excellent visibility.