For Istanbul :
No gale warning.
The reliability of the situation is very good.
Overcast skies. No precipitation. In the evening, very cloudy skies becoming totally overcast.
Light showers followed by rain. NE force 4 in the middle of the day becoming force 5 in the evening. Gusts reaching 30 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from SW then from N in the evening. Excellent visibility.