For Christchurch :
No gale warning.
The reliability of the situation is poor.
For the night from Sunday to Monday ENE force 0 turning WNW force 1 in the middle of the night then W. Gusts reaching 4 knots at the end of the night.
Slight sea. Low, fairly long swell from SSE. Poor visibility becoming poor in the middle of the night then good. Daytime of Monday 28 april : The weather will become more uncertain during the day.
Little cloud in the morning, sunny becoming changeable in the afternoon. The risk of seeing rain will remain low. In the evening, good clear periods but cloud building.
Possibility of showers W force 1 turning SSE force 2 in the middle of the day then E force 3. Slight sea becoming moderate in the evening. Low, fairly long swell from SSE. Good visibility becoming good in the middle of the day then poor.