FPTO40 NFTF 191700

FUA'AMOTU WEATHER FORECASTING CENTRE


WEATHER BULLETIN ISSUED AT 06:00AM WEDNESDAY 20 AUGUST 2025


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WARNING FOR LAND AREAS

	
NO WARNING

		

SITUATION

	
A weak trough lies over the Niuas today. Associated clouds with scattered showers may affect the Niuas. Meanwhile, cool south to southeasterly wind prevails over the Group.

		

FORECAST TO MIDNIGHT TONIGHT FOR TONGA

	
FOR THE NIUAS:
Light to moderate east to southeasterly winds, fresh at times.
Cloudy at times with scattered showers.

FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA:
Light to moderate south to southeasterly winds, variable at times.
Mainly fine apart from cloudy periods with possible light showers.
Cooler air temperature at night times.

		

OUTLOOK FOR THURSDAY

	
FOR THE NIUAS:
Moderate southeasterly winds, fresh at times.
Cloudy at times with scattered showers.

FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA:
Light to moderate south to southeasterly winds.
Mainly fine apart from cloudy periods.

		
	
TEMPERATURE FORECAST FOR NUKU'ALOFA

	
MAXIMUM FOR TODAY: 26C
MINIMUM FOR TONIGHT: 15C

		
		

MARINE WEATHER BULLETIN

		

WARNINGS FOR COASTAL WATERS

	
A STRONG WIND WARNING AND SMALL CRAFT ADVISORY ARE NOW INFORCE FOR THE NIUAS COASTAL WATERS.

		

FORECAST TO MIDNIGHT TONIGHT FOR TONGA COASTAL WATERS

	
FOR THE NIUAS COASTAL WATERS:
South to southeast winds 10-15 knots rising up to 20-25 knots at times .
Moderate seas (up to 2.5 metres).

FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
South to southeast winds 10-15 knots and variables up to 10 knots at times.
Slight to moderate seas (up to 2.0 metres).

		

OUTLOOK FOR THURSDAY

	
FOR THE NIUAS AND VAVA'U COASTAL WATERS:
South to southeast winds 10-15 knots rising up to 20-25 knots at times .
Moderate seas (up to 2.5 metres).

FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
South to southeast winds 10-15 knots and variables up to 10 knots at times.
Slight to moderate seas (up to 2.0 metres).

		

TIDE PREDICTION IN NUKU'ALOFA TODAY

	
LOW TIDE: 11:00AM
HIGH TIDE: 5:15PM

		

SUN AND MOON IN NUKU'ALOFA TODAY

	
SUNRISE: 7:00AM.......SUNSET: 6:28PM
MOONRISE: 5:28AM.....MOONSET: 3:20PM

		

THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 06:00AM WAS 1018.6 MILLIBARS AND THE RELATIVE HUMIDITY WAS 83%.


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FCD: GV/VMF= CRS: EM=