For Jezioro Swietajno : No gale warning.
The reliability of the situation is very good.
Fairly cloudless skies becoming changeable during the morning, sunny despite some high cloud in the afternoon. No precipitation.
In the evening, clear skies. Warning: icy conditions likely. WNW force 2 in the morning becoming NW force 1 in the evening. Gusts reaching 13 knots until the middle of the day. Poor visibility becoming excellent in the middle of the day then good.