FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM SUNDAY 19 APRIL 2026
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WARNING FOR LAND AREAS
	NO WARNING.
SITUATION
	A ridge of high pressure lies over the southern waters of Tonga directing an east to southeasterly wind flow prevails across Tonga. Meanwhile, a cold front from the west is expected to approach Tele-ki-Tonga and Tele-ki-Tokelau coastal waters, Tongatapu, 'Eua, and Ha'apai by later tomorrow evening with associated cloudy, occasional showers and strong winds at times.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR THE NIUAS AND VAVA'U: Light to moderate east winds then becoming northeast by later tomorrow. Partly cloudy with light showers. FOR HA'APAI, TONGATAPU AND 'EUA: Light to moderate east to northeast winds, becoming fresh to strong at times by later tomorrow evening. Mainly fine with potential isolated showers then becoming cloud with occasional showers with a potential of thunderstorms later tomorrow evening.
OUTLOOK FOR TUESDAY
	FOR THE NIUAS AND VAVA'U: Light to moderate east to northeast winds and variable at times. Fine apart from cloudy periods with showers FOR HA'APAI, TONGATAPU AND 'EUA: Light to moderate north to northwest winds. Cloudy periods with occasional showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
	MAXIMUM FOR TOMORROW: 30C MINIMUM FOR TONIGHT: 21C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	AN EXTREME HIGH TIDE REMAIN IN FORCE FOR ALL OF TONGA COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR THE NIUAS, VAVA'U AND HA'APAI COASTAL WATERS: East to southeast winds up to 10-15 knots and shifting to east and northeast tomorrow. Slight to moderate seas. Possible flooding in low-lying coastal area due to extreme high tides. FOR TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Northeasterly winds 10-20 knots and rising up to 25-30 knots at times by later tomorrow. Moderate seas (up to 2-3 metres). Possible flooding in low-lying coastal area due to extreme high tides. Poor visibility in waters of heavy rain.
OUTLOOK FOR TUESDAY
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Southwest winds 10-15 knots and variable of up to 10 knots at times. Moderate seas (up to 2 metres). Moderate southwesterly swell (up to 3 metres) FOR TONGATAPU AND 'EUA COASTAL WATERS: Northwest winds 10-15 knots. Slight to moderate seas (up to 2 metres). Possible flooding in low-lying coastal area due to extreme high tides. FOR THE NIUAS, VAVA'U AND HA'APAI COASTAL WATERS: Northeast winds 10-15 knots and variable of up to 10 knots at times. Slight to moderate seas (up to 2 metres). Possible flooding in low-lying coastal area due to extreme high tides.
TIDE PREDICTION IN NUKU'ALOFA
	HIGH TIDE: 9:10PM LOW TIDE: 3:10AM
SUN AND MOON IN NUKU'ALOFA
	SUNRISE: 6:54AM MOONRISE: 9:30AM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1013.4 MILLIBARS AND THE RELATIVE HUMIDITY WAS 87%
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	FCD: VMF/PT/= CRS: UV/=