For Greenport Jetty :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
WSW force 2 turning SSW force 3 in the middle of the day then SW. Gusts reaching 16 knots in the middle of the day. Slight sea. Low, short swell from SSE. Excellent visibility becoming good in the evening.