FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 01:00PM THURSDAY 28 SEPTEMBER 2023
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WARNING FOR LAND AREAS
NO WARNING
 
SITUATION
A ridge of high pressure system extends onto the group from the far southeast, directing light to moderate east to northeasterly wind flow to prevail over most parts of Tonga. Meanwhile, a trough is expected to approach Tongatapu and 'Eua from the southwest by tomorrow.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
FOR THE NIUAS
Light to moderate east to southeasterly winds.
Generally fine apart from cloudy periods.

FOR VAVA'U AND HA'APAI:
Light to moderate east to northeasterly winds, variable at times then tending southerly winds by tomorrow afternoon.
Generally fine apart from cloudy periods with scattered showers especially over Ha'apai group by tomorrow afternoon.

FOR TONGATAPU AND 'EUA:
Light to moderate east to northeasterly winds then tending southerly winds by tomorrow morning.
Cloudy periods with possible isolated showers then becoming overcast by tomorrow morning with occasional showers.
OUTLOOK FOR SATURDAY
FOR ALL OF TONGA:
Light to moderate east to southeasterly winds.
Generally fine apart from cloudy periods.
TEMPERATURE FORECAST FOR NUKU'ALOFA
MAXIMUM FOR TODAY: 27C
MINIMUM FOR TONIGHT: 20C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
NO WARNING
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
FOR THE NIUAS COASTAL WATERS:
East to southeasterly winds 10-15 knots.
Slight to moderate seas (up to 2 metres).

FOR THE REST OF TONGA COASTAL WATERS:
East to northeasterly winds 10-15 knots, rising up to 20 knots at times, then tending southerly winds by tomorrow.
Slight to moderate seas (up to 2 metres).
OUTLOOK FOR SATURDAY
FOR ALL OF TONGA COASTAL WATERS:
Southeasterly winds 10-15 knots.
Slight to moderate seas (up to 2 metres).
TIDE PREDICTION FOR NUKU'ALOFA
HIGH TIDE: 6:30PM
LOW TIDE: 12:35AM
SUN AND MOON IN NUKU'ALOFA
MOONRISE: 5:21PM
SUNSET: 6:38PM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 1:00PM WAS 1015.4 MILLIBARS AND THE RELATIVE HUMIDITY WAS 72%.
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FCD: SP/NH/= CRS: FL/=