FPKU40 NFFN 161200 Northern and Southern Cooks Weather Bulletin issued from NWFC Nadi Feb 161244 UTC. Situation: A trough of low pressure with cloud and rain affects Southern Cooks. A weak trough of low pressure lies slow moving over Northern Cooks. Meanwhile, an easterly wind flow prevails over the group. Forecast to midnight tonight for the Southern Cooks: Occasional rain, heavy at times and isolated thunderstorms over most places. Moderate to fresh northwesterly winds, gusty at times. Moderate to rough seas. Further outlook: Occasional rain, heavy at times and isolated thunderstorms. For Rarotonga: Occasional rain, heavy at times and isolated thunderstorms. Further outlook: Occasional rain, heavy at times and isolated thunderstorms. For the Northern Cooks: Cloudy periods with some showers and isolated thunderstorms over Pukapuka, Penrhyn and Manihiki. Mainly fine weather elsewhere. Moderate to fresh easterly winds. Moderate to rough seas. Further outlook: Cloudy periods with some showers.