FPKU40 NFFN 181200 RNZI NORTHERN AND SOUTHERN COOKS WEATHER BULLETIN ISSUED FROM NWFC NADI JUL 181416 UTC. A STRONG WIND WARNING REMAINS IN FORCE FOR NORTHERN COOK WATERS. SITUATION: A SOUTHERLY WIND FLOW PREVAILS OVER SOUTHERN COOKS. A TROUGH OF LOW PRESSURE WITH ASSOCIATED CLOUD AND SHOWERS AFFECTS NORTHERN COOKS. MEANWHILE, A FRESH TO STRONG SOUTHEASTERLY WIND FLOW PREVAILS OVER THE GROUP. FORECAST TO MIDNIGHT TONIGHT FOR THE SOUTHERN COOKS: MAINLY FINE. COOL AT NIGHT. MODERATE TO FRESH SOUTHERLY WINDS, GUSTY AT TIMES. MODERATE TO ROUGH SEAS. MODERATE SOUTHERLY SWELLS. FURTHER OUTLOOK: MAINLY FINE. COOL AT NIGHT. FOR RAROTONGA: MAINLY FINE. COOL AT NIGHT. FURTHER OUTLOOK: MAINLY FINE. COOL AT NIGHT. FOR THE NORTHERN COOKS: OVER WATERS: SOUTHEAST WINDS 20 TO 25 KNOTS. OVER LAND AREAS: MODERATE TO FRESH SOUTHEAST WINDS, GUSTY AT TIMES. ROUGH SEAS. MODERATE SOUTHERLY SWELLS. OCCASIONAL SHOWERS WITH FEW THUNDERSTORMS AND HEAVY FALLS OVER MANIHIKI AND PENRHYN. ELSEWHERE, CLOUDY PERIODS WITH SOME SHOWERS. FURTHER OUTLOOK: SOME SHOWERS AND ISOLATED THUNDERSTORMS.