For Marina Istanbul :
No gale warning.
The reliability of the situation is very good.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
SW force 2 freshening NNE force 4 in the middle of the day then NE force 3. Gusts reaching 21 knots in the middle of the day. Rippled sea. Low, short swell from ESE. Excellent visibility.