FPKU40 NFFN 181800 Northern and Southern Cooks Weather Bulletin issued from NWFC Nadi May 182003 UTC. A STRONG WIND WARNING REMAINS IN FORCE FOR SOUTHERN COOK WATERS. Situation: A trough of low pressure with associated cloud and showers affects Southern Cooks. A moist easterly wind flow prevails over Northern Cooks. Forecast to midnight tomorrow for the Southern Cooks: Over Waters: Southeasterly winds 20 to 25 knots. Over Land: Moderate to fresh southeasterly winds, gusty at times. Rough seas. Moderate southerly swells Occasional showers and isolated thunderstorms today. Occasional rain, heavy at times and few thunderstorms from tomorrow. Further outlook: Cloudy periods with some showers. For Rarotonga: Occasional showers and isolated thunderstorms today. Occasional rain, heavy at times and few thunderstorms from tomorrow. Further outlook: Cloudy periods with some showers. For the Northern Cooks: Fine apart from brief showers. Moderate to fresh easterly winds. Moderate to rough seas. Further outlook: Fine apart from brief showers.