FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 06:00AM SATURDAY 20 DECEMBER 2025
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WARNING FOR LAND AREAS
	NO WARNING
SITUATION
	A trough of low pressure lies over the vicinity of the Niuas, with associated clouds and occasional showers, including the potential for heavy falls and isolated thunderstorms until Tuesday. Meanwhile, a ridge of high pressure lies to the south of Tongatapu and 'Eua, continuing to direct an east to southeasterly wind flow over most parts of Tonga.
FORECAST TO MIDNIGHT TONIGHT FOR TONGA
	FOR THE NIUAS: Light and variables winds. Cloudy periods with developing occasional showers, possibly heavy at times especially later in the evening with potential of isolated thunderstorms. FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA: Light to moderate easterly wind, variable at times. Mainly fine apart from cloudy periods with possible isolated showers.
OUTLOOK FOR SUNDAY
	FOR THE NIUAS: Light and variables winds. Mostly cloudy with developing occasional showers, possibly heavy at times with isolated thunderstorms. FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA: Light to moderate east to southeast winds, fresh at times. Mainly fine apart from cloudy periods with possible isolated showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
	MAXIMUM FOR TODAY: 30C MINIMUM FOR TONIGHT: 22C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	NO WARNING
FORECAST TO MIDNIGHT TONIGHT FOR TONGA COASTAL WATERS
	FOR THE NIUAS COASTAL WATERS: Light and variables winds of up to 10 knots. Slight to moderate seas (up to 1.5 metres). FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Easterly wind 10-15 knots, rising to 20 knots at times over Vava'u and Ha'apai coastal waters. Slight to moderate seas (up to 2 metres).
OUTLOOK FOR SUNDAY
	FOR THE NIUAS COASTAL WATERS: Light and variables winds of up to 10 knots. Slight to moderate seas (up to 1.5 metres). FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: East to southeasterly winds 10-15 knots, rising to 20 knots at times. Slight to moderate seas (up to 2 metres).
TIDE PREDICTION IN NUKU'ALOFA TODAY
	HIGH TIDE: 7:55AM LOW TIDE: 1:40PM
SUN AND MOON IN NUKU'ALOFA
	SUNRISE: 5:55AM…................SUNSET: 7:20PM MOONSET: 7:35PM…..............MOONRISE: 6:25AM (TOMORROW)
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 06:00AM WAS 1010.8 MILLIBARS AND THE RELATIVE HUMIDITY WAS 98%.
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FCD: VF= CRS: FV=