A northwesterly, moderate and variable flow prevails over the whole area.
Für Jastarnia :
Warning strong breeze offshore.
The reliability of the situation is very good.
Clear skies becoming slightly cloudy in the morning, sunny, progressively clouding over in the afternoon. No precipitation in the morning, possibility of showers in late afternoon. In the evening, clear skies.
S force 5 turning WNW in the middle of the day then W. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from ESE then from NNW in the middle of the day then from NNW. Excellent visibility.