Situation:

A trough of low pressure remains slow moving over Southern Cooks.
Associated cloud and showers affects the group.

A weak trough of low pressure remains slow moving over Northern Cooks. Meanwhile, a moist easterly wind flow prevails over the group.

Forecast to midnight tomorrow for the Southern Cooks:

Occasional showers, heavy at times and few thunderstorms.
Moderate to fresh north to easterly winds.
Moderate to rough seas.
 

Further outlook:

Occasional showers, heavy at times and few thunderstorms.
 

For Rarotonga:

Occasional showers and few thunderstorms.

Further outlook:

Brief showers.

For the Northern Cooks:

Cloudy periods with some showers and isolated thunderstorms.
Moderate northeasterly winds.
Moderate seas.
 

Further outlook:

Cloudy periods with brief showers