FPKU40 NFFN 192100 Northern and Southern Cooks Weather Bulletin issued from NWFC Nadi Aug 192258 UTC. A STRONG WIND WARNING PREVIOUSLY IN FORCE FOR NORTHERN COOKS WATERS IS CANCLLED. Situation: An easterly wind flow prevails over Southern Cooks. A trough of low pressure affects Northern Cooks. Forecast to midnight tomorrow for the Southern Cooks: Brief showers over the northern and eastern parts of the group. Mainly fine elsewhere. Cool nights. Moderate easterly winds. Moderate seas. Moderate southwesterly swells. Further outlook: Partly cloudy. Cool at night. For Rarotonga: Mainly fine. Cool nights. Moderate easterly winds. Further outlook: Partly cloudy. Cool at night. For the Northern Cooks: Occasional showers and isolated thunderstorms over Manihiki and Pukapuka. Fine apart from brief showers elsewhere. Moderate northeast winds. Moderate seas. Further outlook: Brief showers.