Northern and Southern Cooks Weather Bulletin issued from NWFC Nadi Jul 032314 UTC. Situation: A trough of low pressure lies over the Northern Cooks. Meanwhile, a northeast windflow continues to prevail over the group. A moist easterly windflow continues to prevail over the Southern Cooks . Forecast to midnight tomorrow for the Southern Cooks: Fine weather. Moderate southeast winds. Moderate seas. Further outlook: Mainly fine. For Rarotonga: Fine weather. Further outlook: Mainly fine. For the Northern Cooks: Cloudy periods with some showers and the chance of thunderstorms. . Moderate easterly winds. Moderate seas. Further outlook: Brief showers.