Niue Weather Bulletin issued from NWFC Nadi Aug 211609 UTC. Situation: A southeasterly windflow continues to prevail over Niue. Forecast to midnight tonight for Niue: Fine apart from some cloudy periods with possible brief showers. Moderate to fresh southeasterly winds, gusty at times. Rough seas. Further outlook: Brief showers. Marine Weather Bulletin for Niue A strong wind warning remains in force for Niue waters: Forecast to midnight tonight for all Niue waters: Southeasterly winds 20 to 25 knots and upto 30 knots at times. Rough seas. Moderate southwesterly swells. Further outlook: Southeast winds 20 to 25 knots.