For Marina Istanbul :
No gale warning.
The reliability of the situation is very good.
Warm sun all day. In the evening, clear skies.
SSW force 3 in the morning becoming force 2 in the evening. Gusts reaching 15 knots in the middle of the day. Rippled sea becoming smooth in the middle of the day. Low, short swell from SW temporarily from NE in the middle of the day. Excellent visibility.