FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 01:00PM MONDAY 04 AUGUST 2025
..................................................................................................................................
WARNING FOR LAND AREAS
	NO WARNING
SITUATION
	A ridge of high pressure extending from the far southwest onto the Group, and circulating a cool south to southeasterly wind flow over Tonga.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA: Light to moderate south to southeasterly winds, fresh at times. Mainly fine apart from cloudy periods with cooler air temperature at night time. FOR THE NIUAS: Light to moderate south to southeasterly winds, fresh at times. Mainly fine apart from cloudy period with possible few showers.
OUTLOOK FOR WEDNESDAY
	FOR HA'APAI, TONGATAPU AND 'EUA: Moderate to fresh east to northeast winds, strong at times. Mostly cloudy and overcast with occasional rain, heavy at times and potential isolated thunderstorms. FOR VAVA'U: Moderate to fresh east to northeast winds, strong at times. Cloudy periods in the morning then becoming mostly cloudy in the afternoon with occasional rain, possible heavy at times. FOR THE NIUAS: Moderate to fresh northeast winds. Mainly fine with possible showers.
	TEMPERATURE FORECAST FOR NUKU'ALOFA
	MAXIMUM FOR TODAY: 25C MINIMUM FOR TONIGHT: 15C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	A HEAVY DAMAGING SWELL IS NOW IN FORCE FOR VAVA'U COASTAL WATERS WHILE REMAIN IN FORCE FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS. A STRONG WIND WARNING AND SMALL CRAFT ADVISORY REMAIN IN FORCE FOR ALL OF TONGA COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: East to northeast winds 15-20 knots, rising up to 25-30 knots at times. Rough seas (up to 4 metres). A heavy damaging southerly swell (up to 4.5 metres). FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA COASTAL WATERS: South to southeasterly winds 10-20 knots, rising up to 25 knots at times. Moderate to rough seas (up to 3 meters). A heavy damaging southerly swell (up to 4 metres). FOR THE NIUAS COASTAL WATERS: South to southeasterly winds 10-20 knots, rising up to 25 knots at times. Moderate seas (up to 2.5 meters). A moderate southerly swell (up to 2 metres)
OUTLOOK FOR WEDNESDAY
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: East to northeast wind 20-25 knots, gusting up to 30-40 knots at times. Rough to very rough seas (up to 5 metres). A heavy damaging southerly swell (up to 4.5 metres). FOR HA'APAI, TONGATAPU AND 'EUA COASTAL WATERS: East to northeast winds 15-25 knots, gusting up to 30-35 knots at times. Rough to very rough seas (up to 4.5 metres). A heavy damaging easterly swell (up to 4 metres). FOR THE NIUAS AND VAVA'U COASTAL WATERS: East to northeast winds 15-20 knots, rising up to 25 knots at times. Moderate to rough seas (up to 2.5 metres). A moderate southerly swell (up to 3 metres).
TIDE PREDICTION IN NUKU'ALOFA TODAY
	HIGH TIDE: 3:55PM LOW TIDE: 9:40PM
SUN AND MOON IN NUKU'ALOFA TODAY
	SUNSET: 6:23PM MOONRISE: 1:30PM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 01:00PM WAS 1019.8 MILLIBARS AND THE RELATIVE HUMIDITY WAS 65%.
..........................................................................................................................................................................................................
FCD: VV/VMF/SI/ML= CRS:TT=