A northerly, very strong and mostly variable flow prevails over the North-West of the basin. Over the South and the East, it is southwesterly, strong and variable.
For Hel, Chalupy :
Warning moderate gale offshore.
The reliability of the situation is good.
Hazy skies in the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. SW force 3 becoming force 4 in the middle of the day then WSW. Gusts reaching 20 knots in the evening. Smooth to slight sea. Low, short swell from SE then from NW in the evening. Excellent visibility.