For Jezioro Swietajno : No gale warning.
The reliability of the situation is good.
Cloud and sun in the morning, very cloudy in the afternoon. No precipitation.
In the evening, clear periods developing. No precipitation. WSW force 2 in the morning temporarily SW force 3 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Poor visibility becoming excellent in the middle of the day then reduced by mist.