For Yalova :
No gale warning.
The reliability of the situation is very good.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. NW force 2 freshening N force 4 in the middle of the day then NE force 3. Gusts reaching 22 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from NW. Good visibility becoming excellent in the middle of the day.