FPTO40 NFTF 040000





FUA'AMOTU WEATHER FORECASTING CENTRE





WEATHER BULLETIN ISSUED AT 01:00PM MONDAY 04 MAY 2026





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WARNING FOR LAND AREAS





A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY IS NOW IN FORCE FOR VAV

A'U LAND

AREAS BUT REMAIN IN FORCE FOR THE NIUAS LAND AREAS.



THE STRONG WIND WARNING THAT WAS IN FORCE FOR VAVA'U, HA'APAI, TONGAT

APU AND

'EUA LAND AREAS IS NOW UPGRADE TO GALE WARNING.







SITUATION





A trough of low pressure lies over the Niuas and extends across the r

est of the

group, bringing cloudy conditions, occasional rain, and the potential

 for

thunderstorms. Meanwhile, a fresh to strong east to southeasterly win

ds prevail

over most parts of Tonga







FORECAST TO MIDNIGHT TOMORROW FOR TONGA





FOR HA'APAI, TONGATAPU AND 'EUA:

Moderate to fresh southeasterly winds, strong and gusting up to gale 

force wind

at times.

Cloudy with possible scattered showers.



FOR VAVA'U:

Moderate to fresh southeasterly winds, strong and gusting up to gale 

force wind

at times.

Cloudy and overcast with occasional rain, possibly heavy at times wit

h isolated

thunderstorm. Possible flooding in low lying area due to heavy rain.



FOR THE NIUAS:

Light to moderate north to northeasterly winds. Turning northwesterly

 for

Niuafo'ou tonight.

Cloudy and overcast with developing occasional rain, possibly heavy a

t times

with isolated thunderstorm. Possible flooding in low lying area due t

o heavy

rain.







OUTLOOK FOR WEDNESDAY





FOR THE NIUAS:

Light to moderate east to northeast winds.

Cloudy and overcast with occasional rain, heavy at times with isolate

d

thunderstorms.



FOR VAVA'U:

Moderate to fresh southeasterly winds, strong at times.

Cloudy periods with scattered showers, possibly heavy at times in the

 afternoon

with potential isolated thunderstorms.



FOR HA'APAI , TONGATAPU AND 'EUA:

Fresh southeasterly winds, strong to gale force wind at times.

Cloudy periods with isolated showers.







TEMPERATURE FORECAST FOR NUKU'ALOFA





MAXIMUM FOR TODAY: 27C

MINIMUM FOR TONIGHT: 23C









MARINE WEATHER BULLETIN







WARNINGS FOR COASTAL WATERS





THE STRONG WIND WARNING THAT WAS PREVIOUSLY IN FORCE FOR VAVA'U, HA'A

PAI,

TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS IS 

NOW

UPGRADE TO GALE WARNING BUT REMAIN IN FORCE FOR THE NIUAS COASTAL WAT

ERS.



'A SMALL CRAFT ADVISORY REMAIN IN FORCE FOR ALL OF TONGA COASTAL WATE

RS.







FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS





FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKEL

AU COASTAL

WATERS:

Southeast wind 20-25 knots, rising up to 30-40 knots at times.

Rough to very rough seas (up to 4 metres). A moderate southerly swell

 (up to

2.5 metres). Poor visibility in waters of heavy rain especially Vava'

u.



FOR THE NIUAS COASTAL WATERS:

North to northeast winds 10-15 knots, rising up to 20-25 knots at tim

es.

Moderate seas (2.5 metres). Poor visibility in waters of heavy rain.











OUTLOOK FOR WEDNESDAY





FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKEL

AU COASTAL

WATERS:

Southeast wind 20-25 knots, rising up to 30-40 knots at times.

Rough to very rough seas (up to 4 metres). A moderate southerly swell

 (up to

2.5 metres).



FOR THE NIUAS COASTAL WATERS:

Northerly wind 10-15 knots, rising up to 20 knots at times.

Moderate seas (2 metres). Poor visibility in waters of heavy rain.







TIDE PREDICTION IN NUKU'ALOFA TODAY





LOW TIDE: 3:30PM

HIGH TIDE: 9:50PM







SUN AND MOON IN NUKU'ALOFA





SUNSET: 6:15PM

MOONRISE: 7:45PM







THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 1:00PM W

AS 1015.0

MILLIBARS AND THE RELATIVE HUMIDITY WAS 72%





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FCD: SI/SMV/IL/= CRS: UV/=