For Billingshurts Cave :
No gale warning.
The reliability of the situation is assessed at 90%.
Warm sun all day. In the evening, clear skies.
NNE force 2 in the morning temporarily NNW in the middle of the day. Gusts reaching 9 knots. Smooth sea. Low, short swell from N then from NE in the middle of the day then from NE. Excellent visibility.