Niue Weather Bulletin issued from NWFC Nadi May 081521 UTC. Situation: A trough of low pressure with associated cloud and rain continues to affect the country. Meanwhile, a northwesterly wind flow prevails over the island. Forecast to midnight tonight for Niue: Periods of rain, heavy at times and few thunderstorms. Moderate to fresh northwesterly winds, gusty during isolated heavy falls. Rough seas. Further outlook: Periods of rain, heavy at times and few thunderstorms. Marine Weather Bulletin for Niue A STRONG WIND WARNING REMAINS IN FORCE OVER NIUE WATERS. Forecast to midnight tonight for all Niue waters: Northwesterly winds 20 to 25 knots. Rough seas. Moderate southwest swells abating from today. Further outlook: Northwesterly winds 20 to 25 knots. Rough seas.