A southwesterly and mostly variable flow prevails over the whole area.
For Swansea :
No gale warning.
The reliability of the situation is relatively good.
For the night from Thursday to Friday S force 1 turning SE force 2 in the middle of the night then SSW. Gusts reaching 8 knots at the end of the night.
Smooth sea becoming smooth to slight at the end of the night. Low, fairly long swell from SW. Good visibility becoming good in the middle of the night then poor. Daytime of Friday 18 july : High humidity will give rise to unsettled weather in the early part of the day.
Very cloudy. But clear spells will become more and more widespread. Drizzle fading over time in the morning, no precipitation in the afternoon. In the evening, good clear periods but cloud building.
Risk of showers in the early hours. SW force 2 in the morning turning W in the evening. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, short swell from SW. Poor visibility becoming excellent in the middle of the day then excellent.