For Great Wall :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. Showers all day. In the evening, clear spells, risk of mist forming.
Chance of light rain. WSW force 2 turning NW in the middle of the day then SSE. Gusts reaching 8 knots in the middle of the day. Slight sea. Low, short swell from ESE. Poor visibility becoming reduced by mist in the middle of the day then reduced by mist.