For Yalova :
No gale warning.
The reliability of the situation is very good.
A few fair-weather cumulus clouds in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, light cloudy spells.
NNW force 1 becoming N force 2 in the middle of the day then SSE. Gusts reaching 6 knots in the middle of the day. Rippled sea. Low, short swell from WNW. Good visibility becoming good in the middle of the day then reduced by mist.