For Portonovo :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Light cloudy spells. In the evening, clear spells, risk of mist forming.
No precipitation. NNE force 2 in the middle of the day turning NW force 1 in the evening. Gusts reaching 7 knots in the middle of the day. Rippled sea. Low, short swell from ESE. Good visibility becoming reduced by mist in the evening.