FPKU40 NFFN 121200 RNZI NORTHERN AND SOUTHERN COOKS WEATHER BULLETIN ISSUED FROM NWFC NADI DEC 121348 UTC. SITUATION: AN EASTERLY WIND FLOW PREVAILS OVER SOUTHERN COOKS. MEANWHILE, A TROUGH OF LOW PRESSURE LIES SLOW MOVING OVER SOUTHERN COOKS. AN EASTERLY WIND FLOW PREVAILS OVER NORTHERN COOKS. FORECAST TO MIDNIGHT TONIGHT FOR THE SOUTHERN COOKS: CLOUDY PERIODS WITH BRIEF SHOWERS. OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS. MODERATE TO FRESH EASTERLY WINDS, GUSTY AT TIMES. MODERATE TO ROUGH SEAS. FURTHER OUTLOOK: OCCASIONAL SHOWERS, HEAVY AT TIMES AND ISOLATED THUNDERSTORMS OVER THE NORTHERN PART. ELSEWHERE, CLOUDY PERIODS WITH BRIEF SHOWERS. SHOWERS EXPECTED TO GRADUALLY DEVELOPING AND BECOMING FREQUENT OVER THE REST OF THE GROUP. FOR RAROTONGA: OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS. FURTHER OUTLOOK: CLOUDY PERIODS WITH BRIEF SHOWERS. SHOWERS GRADUALLY DEVELOPING AND BECOMING FREQUENT. FOR THE NORTHERN COOKS: CLOUDY PERIODS WITH SOME SHOWERS AND ISOLATED THUNDERSTORMS. MODERATE TO FRESH EASTERLY WINDS. MODERATE TO ROUGH SEAS. FURTHER OUTLOOK: CLOUDY PERIODS WITH SOME SHOWERS AND ISOLATED THUNDERSTORMS.