FPKU40 NFFN 122100 RNZI NORTHERN AND SOUTHERN COOKS WEATHER BULLETIN ISSUED FROM NWFC NADI DEC 122117 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 TOMORROW FOR THE SOUTHERN COOKS: 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. FOR RAROTONGA: OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS. FURTHER OUTLOOK: OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS 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 BRIEF SHOWERS AND POSSIBLE THUNDERSTORMS.