FPTO40 NFTF 100000 FUA'AMOTU WEATHER FORECASTING CENTRE WEATHER BULLETIN ISSUED AT 01:00PM SATURDAY 10 MAY 2025 ..................................................................... ........... .................................................. WARNING FOR LAND AREAS A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAIN INFORCE FOR THE NIUAS, VAVA'U AND HA'APAI LAND AREAS. A GALE WARNING REMAINS IN FORCE FOR ALL OF TONGA LAND AREAS. SITUATION A high pressure system lies to the far southeast of Tonga continues t o circulate a strong to damaging gale force east to southeasterly winds across Tonga. Meanwhile, an active trough is approaching the Niuas from the north and it is expected to approaching Vava'u and Ha'apai early tomorrow morni ng. Associated clouds with heavy rain and thunderstorms may affect the Ni uas, Vava'u and Ha'apai later today and tomorrow. FORECAST TO MIDNIGHT TOMORROW FOR TONGA FOR THE NIUAS, VAVA'U AND HA'APAI: Moderate to fresh east to northeasterly winds, strong to damaging gal e force winds at times. Winds turning northerly over the Niuas later tomorrow afternoon. Mostly cloudy and overcast with occasional rain, heavy at times with isolated thunderstorms. Possible flooding in low lying areas due to heavy rain. FOR TONGATAPU AND 'EUA: Moderate to fresh east to southeasterly winds, strong to damaging gal e force winds at times. Mostly cloudy with scattered showers. OUTLOOK FOR MONDAY FOR THE NIUAS: Moderate to fresh north to northwest winds, strong to damaging gale f orce winds at times. Mostly cloudy and overcast with occasional rain, heavy at times with isolated thunderstorm. Possible flooding in low lying areas due to heavy rain. FOR VAVA'U AND HA'APAI: Moderate to fresh east to northeasterly winds, strong to damaging gal e force winds at times. Wind turning northwest in the afternoon. Mostly cloudy and overcast with occasional rain, heavy at times with isolated thunderstorm. Possible flooding in low lying areas due to heavy rain. FOR TONGATAPU AND 'EUA: Moderate to fresh east to southeasterly winds, strong to damaging gal e force winds at times. Mostly cloudy and overcast with occasional rain, heavy at times with isolated thunderstorm. Possible flooding in low lying areas due to heavy rain.. TEMPERATURE FORECAST FOR NUKU'ALOFA MAXIMUM FOR TODAY: 28C MINIMUM FOR TONIGHT: 23C MARINE WEATHER BULLETIN WARNINGS FOR COASTAL WATERS A GALE WARNING, HEAVY DAMAGING SWELL AND SMALL CRAFT ADVISORY REMAINS IN FORCE FOR ALL OF TONGA COASTAL WATERS. FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS FOR ALL OF TONGA COASTAL WATERS: East to southeasterly winds 20-25 knots, gusting up to damaging gale force winds 30-40 knots at times. Rough to very rough seas (up to 4-5 metres). A heavy damaging southea sterly swell (up to 4 metres). Poor visibility in the areas of heavy rain especially the Niuas and V ava'u Coastal Waters OUTLOOK FOR MONDAY FOR THE NIUAS, VAVA'U AND HA'APAI COASTAL WATERS: North to northwest winds 20-30 knots, gust up to gale force winds 35- 45 knots at times. Rough seas (up to 4 metres). A heavy damaging southeasterly swell (up to 4 metres). Poor visibility in the areas of heavy rain. FOR TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS : East to southeast winds 20-30 knots, gust up to gale force damaging w inds 35-45 knots at times. Rough to very rough seas (up to 5-6 metres). A heavy damaging southea sterly swell (up to 4 metres). Poor visibility in the areas of heavy rain TIDE PREDICTION IN NUKU'ALOFA TODAY HIGH TIDE: 6:30PM LOW TIDE: 12:25AM SUN AND MOON IN NUKU'ALOFA TODAY SUNRISE: 7:01AM.......SUNSET: 6:12PM MOONRISE: 4:29PM.....MOONSET: 5:27AM early tomorrow morning THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 01:00PM WAS 1014.1 MILLIBARS AND THE RELATIVE HUMIDITY WAS 77%. ..................................................................... ........... ..................................................................... ........... .......................................... FCD: PK/IL/= CRS: HT/=