FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM TUESDAY 12 MAY 2026
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WARNING FOR LAND AREAS
	A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY ARE NOW IN FORCE FOR VAVA'U AND HA'APAI LAND AREAS.
SITUATION
	A cool southeasterly wind flow prevails over Tonga. Meanwhile, a weak trough over the Niuas is approaching Vava'u tonight, bringing cloudy periods with occasional showers, which will extend to Ha'apai by tomorrow morning.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR TONGATAPU AND 'EUA: Light to moderate southeasterly winds. Mainly fine apart from cloudy periods with possible few showers. Cooler air temperatures at night. FOR VAVA'U AND HA'APAI: Light to moderate southeasterly winds, fresh at times. Mainly fine today then becoming cloudy tonight with scattered showers over Vava'u. Tomorrow expected to be mostly cloudy with occasional showers, heavy at times and the potential for isolated thunderstorms. Possible flooding in low lying areas due to heavy rain. FOR THE NIUAS: Light to moderate east to southeasterly winds, fresh at times. Cloudy periods with scattered showers, can be heavy at times.
OUTLOOK FOR THURSDAY
	FOR ALL OF TONGA: Light to moderate east to southeasterly winds, fresh at times. Cloudy at times with showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
	MINIMUM FOR TONIGHT: 17C MAXIMUM FOR TOMORROW: 28C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	NO WARNING
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Southeast wind 15-20 knots. Moderate seas (up to 2.5 metres). A moderate southwesterly swell (up to 2.5 meters). FOR THE REST OF TONGA COASTAL WATERS: Southeast wind 10-15 knots, rising up to 20 knots at time. Slight to moderate seas (up to 2 metres).
OUTLOOK FOR THURSDAY
	FOR ALL OF TONGA COASTAL WATERS: Southeast wind 15-20 knots. Moderate seas (up to 2.5 metres).
TIDE PREDICTION IN NUKU'ALOFA
	LOW TIDE: 9:40PM tonight HIGH TIDE: 4:00AM early tomorrow
SUN AND MOON IN NUKU'ALOFA
	MOONRISE: 2:54AM early tomorrow SUNRISE: 7:02AM tomorrow morning
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1013.5 MILLIBARS AND THE RELATIVE HUMIDITY WAS 86%
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	FCD: SI/SV/VV/= CRS: HT/=