FPNE40 NFFN 190000 Niue Weather Bulletin issued from NWFC Nadi May 190159 UTC. Situation: A trough of low pressure with associated cloud and rain affects Niue. Forecast to midnight tomorrow for Niue: Occasional rain, heavy at times and isolated thunderstorms. Moderate to fresh easterly winds, gusty at times. Moderate to rough seas. Further outlook: Fine apart from brief showers. Marine Weather Bulletin for Niue Forecast to midnight tomorrow for all Niue water: Easterly winds 15 to 20 knots. Moderate to rough seas. Moderate southerly swells. Further outlook: Westerly winds 15 to 20 knots. Moderate to rough seas. Moderate southerly swells.