For St Brides Bay :
Warning moderate gale.
The reliability of the situation is good.
Skies changeable to very cloudy. Light showers all day. In the evening, very cloudy skies becoming totally overcast.
No precipitation. SSW force 5 freshening WSW force 7 in the middle of the day then force 6. Gusts reaching 42 knots in the middle of the day. Rough to very rough sea becoming rough in the evening. Moderate, long swell from WSW. Good visibility becoming good in the middle of the day then excellent.