FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM SUNDAY 18 JANUARY 2026
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WARNING FOR LAND AREAS
NO WARNING
SITUATION
A trough lies over the group. Associated clouds, scattered to occasional showers with potential of isolated thunderstorms may affect most parts of the group. Meanwhile, a warm moist northerly wind flow continues to prevail over Tonga.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
FOR THE NIUAS:
Light northerly winds, variable at times.
Mainly fine apart from cloudy period with occasional showers, can be heavy at times with isolated thunderstorms.

FOR VAVA'U, TONGATAPU AND 'EUA:
Light north to northeasterly wind, variable at times.
Mainly fine apart from cloudy periods with developing scattered showers, possibly heavy at times with isolated thunderstorms.
OUTLOOK FOR TUESDAY
FOR ALL OF TONGA:
Light and variable winds.
Mainly fine apart from the Niuas will be cloudy with possible heavy occasional showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
MAXIMUM FOR TOMORROW: 32C
MINIMUM FOR TONIGHT: 24C
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
North to northwesterly winds 10-15 knots, rising up to 20 knots at times.
Slight to moderate seas (up to 2 metres).

FOR TONGATAPU, 'EUA, HA'APAI, VAVA'U AND NIUAS COASTAL WATERS:
North to northeasterly winds 10-15 knots, variable at times.
Slight seas.
 
OUTLOOK FOR TUESDAY
FOR TELE-KI-TONGA AND TELE-KI TOKELAU COASTAL WATERS
North to northwesterly winds 10-15 knots, variable at times.
Slight to moderate seas (up to 2 metres).

FOR TONGATAPU, 'EUA, HA'APAI, VAVA'U AND NIUAS COASTAL WATERS:
Light and variable winds up to 10 knots at times.
Slight seas.
TIDE PREDICTION IN NUKU'ALOFA
LOW TIDE: 1:55AM
HIGH TIDE: 8:10AM
SUN AND MOON IN NUKU'ALOFA
MOONRISE: 6:09AM
SUNRISE: 6:14AM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1007.7 MILLIBARS AND THE RELATIVE HUMIDITY WAS 88%.
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FCD: PK/TU/= CRS: FL/=