For Llandegfedd Reservoir : No gale warning.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. Light showers all day.
In the evening, very cloudy skies to overcast. Chance of light rain. S force 4 in the morning weakening SE force 2 in the evening. Gusts reaching 23 knots until the middle of the day. Poor visibility becoming poor in the middle of the day.