FPTO40 NFTF 190600



FUA'AMOTU WEATHER FORECASTING CENTRE



WEATHER BULLETIN ISSUED AT 07:00PM TUESDAY 19 MAY 2026



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WARNING FOR LAND AREAS



THE HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY THAT WERE IN FORCE FO
R THE
VAVA'U LAND AREAS ARE NOW CANCELLED.

A STRONG WIND WARNING REMAIN IN FORCE FOR VAVA'U AND THE NIUAS LAND A
REAS.




SITUATION



An active trough continues to lie over the vicinity of the Niuas and 
Vavau
and will move eastward away tonight, bringing cloudy conditions and o
ccasional
showers. Meanwhile, fresh east to southeasterly winds will continue t
o prevail
over the northern parts of Tonga tonight before easing by tomorrow mo
rning.




FORECAST TO MIDNIGHT TOMORROW FOR TONGA



FOR THE NIUAS AND VAVA'U:
Moderate east to southeasterly winds, fresh to strong at times. Winds
 will
gradually decrease early tomorrow.
Mostly cloudy with occasional showers. Condition will improve tomorro
w morning.

FOR HA'APAI, TONGATAPU AND 'EUA:
Light to moderate east to northeasterly winds, becoming light and var
iable
winds tonight. Winds will gradually increase to moderate southwest wi
nds by
tomorrow afternoon.
Cloudy with occasional showers then improve by tomorrow morning.




OUTLOOK FOR THURSDAY



FOR THE NIUAS:
Light to moderate south to southwesterly winds.
Mainly fine apart from cloudy periods with possible isolated showers.

FOR VAVA'U, HA'APAI, TONGATAPU AND 'EUA:
Light to moderate south to southwesterly winds, fresh at times.
Mainly fine apart from cloudy periods with possible few showers.




TEMPERATURE FORECAST FOR NUKU'ALOFA



MINIMUM FOR TONIGHT: 20C
MAXIMUM FOR TOMORROW: 27C





MARINE WEATHER BULLETIN




WARNINGS FOR COASTAL WATERS



THE GALE WARNING THAT WAS IN FORCE FOR THE NIUAS AND VAVA'U COASTAL W
ATERS IS
NOW DOWNGRADED TO STRONG WIND WARNING.

THE STRONG WIND WARNING THAT WAS IN FORCE FOR HA'APAI COASTAL WATERS 
IS NOW
CANCELLED BUT REMAIN IN FORCE FOR TELE-KI-TONGA AND TELE-KI-TOKELAU C
OASTAL
WATERS.

AN EXTREME HIGH TIDE WARNING REMAINS IN FORCE FOR ALL OF TONGA COASTA
L WATERS.

A SMALL CRAFT ADVISORY REMAINS IN FORCE FOR ALL OF TONGA COASTAL WATE
RS.




FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS



FOR THE NIUAS AND VAVA'U COASTAL WATERS:
East to southeast wind 15-20 knots, rising up to 25-30 knots at times
 and
gradually decrease early tomorrow. Rough seas (up to 3 metres) and be
coming
moderate seas tomorrow morning (up to 2.5 metres). A moderate southea
sterly
swell (up to 2 metres). Possible flooding in low lying coastal areas 
due to
extreme high tide.

FOR HA'APAI, TONGATAPU AND 'EUA COASTAL WATERS:
East to northeast winds 15-20 knots. Moderate seas (up to 2.5 metres)
. A
moderate southeasterly swell (up to 2.5 metres). Possible flooding in
 low lying
coastal areas due to extreme high tide.

FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
East to southeast winds 15-20 knots, rising up to 25 knots at times. 
Moderate
to rough seas (up to 2.5-3 metres). A moderate southeasterly swell (u
p to 2.5
metres) by tomorrow afternoon.







OUTLOOK FOR THURSDAY



FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
South to southeast winds 15-20 knots, rising up to 25-30 knots at tim
es.
Moderate to rough seas (up to 2.5-3 metres). A moderate southeasterly
 swell.
(up to 3.5 metres).

FOR THE REST OF COASTAL WATERS:
South to southwest winds 10-15 knots, rising up to 20 knots at times.
 Moderate
seas (up to 2.5 metres). A moderate southeasterly swell especially To
ngatapu
and 'Eua coastal waters (up to 2.5-3.5 metres).




TIDE PREDICTION IN NUKU'ALOFA



HIGH TIDE: 9:50PM
LOW TIDE: 3:50AM early tomorrow




SUN AND MOON IN NUKU'ALOFA



MOONSET: 8:20PM this evening
SUNRISE: 7:05AM tomorrow




THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM W
AS 1012.0
MILLIBARS AND THE RELATIVE HUMIDITY WAS 97%



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FCD: TU/VV/= CRS: UV/=