FPNE40 NFFN 181200 Niue Weather Bulletin issued from NWFC Nadi May 181333 UTC. Situation: A southeast wind flow prevails over Niue. Meanwhile, a trough of low pressure affects Niue. Forecast to midnight tonight for Niue: Occasional showers and isolated thunderstorms. Moderate to fresh southeasterly winds, gusty at times. Rough seas. Seas becoming moderate to rough from tomorrow. Further outlook: Cloudy periods with some showers and isolated thunderstorms. 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. Winds gradually easing to 15 to 20 knots from tomorrow. Rough seas. Seas becoming moderate to rough from tomorrow. Moderate southerly swells. Further outlook: Easterly winds 10 to 15 knots. Moderate seas. Moderate southerly swells.