FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM THURSDAY 31 JULY 2025
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WARNING FOR LAND AREAS
	THE STRONG WIND WARNING PREVIOUSLY IN FORCED FOR THE TONGATAPU AND 'EUA LAND AREAS IS NOW CANCELLED.
SITUATION
	A low pressure system to the southeast of Tongatapu and 'Eua, directing a moderate to strong southwesterly winds for this evening. This system is expected to continue moving eastwards and clear from our Tonga waters by tomorrow. Meanwhile, a cool south to southwesterly winds will prevail across Tonga tomorrow.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR TONGATAPU AND 'EUA: Light to moderate southwesterly winds, fresh at times, then ease by tomorrow morning. Becoming fine this evening with cooler air temperature tonight. FOR HA'APAI AND VAVA'U: Light to moderate west to southwesterly winds, fresh at times over Ha'apai, then becoming light by tomorrow. Generally fine with cooler air temperature at night. FOR THE NIUAS: Light to moderate west to southwest winds. Mainly fine apart from cloudy periods with possible evening showers for Niuatoputapu.
OUTLOOK FOR SATURDAY
	FOR ALL OF TONGA: Light to moderate south to southwesterly winds, becoming fresh at times for Tongatapu and 'Eua in the afternoon. Mainly fine apart from cloudy periods with possible scattered showers for Ha'apai, Tongatapu and 'Eua. Cooler air temperature at night.
	TEMPERATURE FORECAST FOR NUKU'ALOFA
	MINIMUM FOR TONIGHT: 17C MAXIMUM FOR TOMORROW: 25C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	THE STRONG WIND WARNING PREVIOUSLY INFORCED FOR THE NIUAS AND VAVA'U IS NOW CANCELLED AND IT IS STILL MAINS IN FORCE FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS. THE SMALL CRAFT ADVISORY PREVIOUSLY IN FORCED FOR THE NIUAS AND VAVA'U COASTAL WATERS IS NOW CANCELLED AND IT IS STILL REMAIN IN FORCE FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR TONGATAPU AND 'EUA COASTAL WATERS: South to southwesterly winds 15-20 knots, rising to 25-30 knots at times. Expected to ease by tomorrow morning 10-15 knots. Rough seas (up to 3 metres) becoming moderate by tomorrow afternoon (up to 2 metres). A moderate easterly swell (up to 3 metres). FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: West to southwest winds 10-20 knots, then rising to gusting up to 25-30 knots by tomorrow afternoon. Moderate seas (up to 2 metres), becoming rough by tomorrow evening (up to 3 metres). A moderate easterly swells (up to 2.5 metres). FOR VAVA'U AND HA'APAI COASTAL WATERS: West to southwesterly winds 15-20 knots, rising to 25 knots for Ha'apai waters, then ease by tomorrow morning, 10-15 knots. Moderate seas (up to 2 metres). A moderate easterly swells (up to 2.5 metres). FOR THE NIUAS COASTAL WATERS: West to southwesterly wind 15-20 knots. Winds decrease to 10-15 knots by tomorrow morning. Moderate seas (up to 2 metres) then becoming slight seas later tonight.
OUTLOOK FOR SATURDAY
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: South to southwest wind 15-25 knots. Moderate seas (up to 2.5 metres). A moderate southwesterly swell (up to 2.5 metres). FOR THE REST OF TONGA COASTAL WATERS: South to southwesterly wind 10-15 knots, rising to 20 knots in the afternoon for Ha'apai, Tongatapu and 'Eua waters. Slight seas, becoming moderate in the afternoon (up to 2 metres). A moderate southwesterly swell (up to 2.5 metres).
TIDE PREDICTION IN NUKU'ALOFA TODAY
	HIGH TIDE: 12:45AM LOW TIDE: 7:05AM
SUN AND MOON IN NUKU'ALOFA TODAY
	MOONSET: 12:00AM SUNRISE: 7:12AM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1012.6 MILLIBARS AND THE RELATIVE HUMIDITY WAS 78%
	FCD: VF/VMF/= CRS: TT/FV/=