A southerly and mostly variable flow prevails over the whole area.
For Brittas Bay :
No gale warning.
The reliability of the situation is good.
Skies changeable to very cloudy. No precipitation. In the evening, relatively clear skies becoming changeable.
WSW force 2 freshening S force 4 in the middle of the day then SSW force 3. Gusts reaching 21 knots in the middle of the day. Smooth to slight sea. Low, short swell from SSE. Visibility reduced by mist becoming excellent in the middle of the day then poor.