For Billinghurst Cave :
No gale warning.
The reliability of the situation is assessed at 95%.
Warm sun all day. In the evening, clear skies.
NW force 2 turning SW force 3 in the middle of the day then S force 2. Gusts reaching 15 knots in the middle of the day. Smooth sea. Low, short swell from NW. Excellent visibility.