FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 06:00AM TUESDAY 17 JUNE 2025
................................................................................................................................................................................
WARNING FOR LAND AREAS
NO WARNING.
SITUATION
A trough with associated clouds and occasional showers lies over Ha'apai and it is approaching Vava'u by noon, then to the Niuas by tonight. Meanwhile, a south to southwesterly wind flow will prevails over Tonga today and tomorrow.
FORECAST TO MIDNIGHT TONIGHT FOR TONGA
FOR THE NIUAS:
Light south to southwesterly winds, variable at times this morning.
Mainly fine today then become cloudy tonight with possible occasional showers.

FOR VAVA'U:
Light to moderate west to northwest winds and becoming southwest winds by this morning
Becoming cloudy this morning with occasional showers, becoming fine by noon.

FOR HA'APAI, TONGATAPU AND 'EUA:
Moderate southwesterly winds.
Fine weather for Tongatapu and 'Eua apart from Ha'apai will cloudy with occasional showers for this morning, fine before noon.
OUTLOOK FOR WEDNESDAY
FOR THE NIUAS:
Light to moderate south to southeasterly winds.
Mainly fine apart from cloudy periods.

FOR THE REST OF TONGA:
Light to moderate south to southwesterly winds, fresh at times.
Mainly fine apart from cloudy periods with possible morning showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
MAXIMUM FOR TODAY: 27C
MINIMUM FOR TONIGHT: 19C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
A STRONG WIND WARNING AND SMALL CRAFT ADVISORY REMAINS IN FORCE FOR TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.
FORECAST TO MIDNIGHT TONIGHT FOR TONGA COASTAL WATERS
FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
Southwesterly wind 15-20 knots, rising up to 25-30 knots at times.
Moderate to rough seas (up to 3 metres). A moderate southerly swell (up to 2.5 metres).

FOR HA'APAI, TONGATAPU AND 'EUA COASTAL WATERS:
Southwesterly winds 10-20 knots, rising up to 25 knots at times for Tongatapu and 'Eua.
Moderate seas (up to 2.5 metres). A moderate southerly swell (up to 2.5 metres)

FOR VAVA'U COASTAL WATERS:
West to northwesterly wind 10-15 knots, tending southwesterly later this morning and rising to 20 knots.
Moderate seas (up to 2 metres). Becoming moderate southerly swell (up to 2.5 metres) this afternoon.

FOR THE NIUAS:
Light south to southwesterly winds of up to 10 knots at times.
Slight seas.
OUTLOOK FOR WEDNESDAY
FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
South to southeasterly wind 15-20 knots, rising up to 25-30 knots at times.
Moderate to rough seas (up to 3 metres). A moderate southerly swell (up to 2.5 metres)

FOR THE REST OF TONGA COASTAL WATERS:
South to southeasterly wind 15-20 knots and rising up to 25 knots at times later in the afternoon.
Moderate seas (up to 2.5 metres). A moderate southerly swell (up to 2.5 metres)
TIDE PREDICTION IN NUKU'ALOFA TODAY
HIGH TIDE: 11:40AM
LOW TIDE: 6:00PM
SUN AND MOON IN NUKU'ALOFA TODAY
SUNRISE: 7:16AM.…..............SUNSET: 6:07PM
MOONSET: 11:35AM…...........MOONRISE: 11:25PM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 06:00AM WAS 1011.2 MILLIBARS AND THE RELATIVE HUMIDITY WAS 73%.
..........................................................................................................................................................................................................
FCD: VF/VMF/= CRS: UV/=