FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM SATURDAY 18 APRIL 2026
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WARNING FOR LAND AREAS
	NO WARNING.
SITUATION
	A trough lies over Vava'u. Associated clouds and occasional showers may affect these parts of the group tonight. Meanwhile, a southeasterly wind flow prevails across Tonga.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR THE NIUAS AND VAVA'U: Light to moderate east to southeasterly winds. Cloudy with occasional showers, possibly heavy at times over Vava'u. Become fine for Vava'u later tonight. FOR HA'APAI, TONGATAPU AND 'EUA: Light to moderate southeasterly winds, fresh at times. Mainly fine with potential isolated showers.
OUTLOOK FOR MONDAY
	FOR THE NIUAS AND VAVA'U: Light to moderate east to southeast winds. Cloudy with possible scattered showers. FOR HA'APAI, TONGATAPU AND 'EUA: Light to moderate east to southeasterly winds. Generally fine weather with possible isolated showers for Ha'apai.
TEMPERATURE FORECAST FOR NUKU'ALOFA
	MAXIMUM FOR TOMORROW: 30C MINIMUM FOR TONIGHT: 20C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	AN EXTREME HIGH TIDE IS NOW IN FORCE FOR ALL OF TONGA COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR THE NIUAS AND VAVA'U COASTAL WATERS: East to southeast winds up to 10 knots. Slight seas. Possible flooding in low-lying coastal area due to extreme high tides. FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Southeasterly winds 10-20 knots. Slight to moderate seas (up to 2 metres). Possible flooding in low-lying coastal area due to extreme high tides.
OUTLOOK FOR MONDAY
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: East to northeast 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 REST OF TONGA COASTAL WATERS: East to southeast winds 10-15 knots. 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: 8:15PM LOW TIDE: 2:20AM
SUN AND MOON IN NUKU'ALOFA
	SUNRISE: 6:53AM tomorrow MOONRISE: 8:21AM tomorrow
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1014.4 MILLIBARS AND THE RELATIVE HUMIDITY WAS 92%
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	FCD: NH/IL/ CRS: FL/=