For Christchurch :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday ENE force 1 turning SSW in the middle of the night then S. Gusts reaching 4 knots in the early part of the night.
Slight sea. Low, short swell from SE. Poor visibility becoming poor in the middle of the night then poor. Daytime of Tuesday 6 may : The weather will be good.
Fair weather with mostly clear skies. In the evening, relatively clear skies becoming changeable.
SSW force 1 becoming force 2 in the middle of the day then NW force 1. Slight sea. Low, short swell from SE. Poor visibility becoming excellent in the middle of the day then poor.