A southerly, very strong and very variable flow prevails over the whole area.
For Groos :
No gale warning.
The reliability of the situation is very good.
In the evening, overcast and misty, reduced visibility.
Chance of light rain. SW wind force 3. Gusts reaching 11 knots in the evening. Slight sea. Low, short swell from SSW. Visibility reduced by mist.