Update: 10:53PM DRESS warmly and don't forget your umbrellas and rain coats.
The National Weather Forecasting Centre has predicted occasional rain, which could be heavy at times.
An active trough of low pressure with associated cloud and rain remains slow moving over the group, the 7.30pm weather bulletin said.
There could be flooding of low lying areas.
Moderate to fresh northwest winds, which could be gusty at times.
Seas would be rough.
The weather should improve by Thursday.