FPTO40 NFTF 041700





FUA'AMOTU WEATHER FORECASTING CENTRE





WEATHER BULLETIN ISSUED AT 06:00AM TUESDAY 05 MAY 2026





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WARNING FOR LAND AREAS





A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY ARE NOW IN FORCE FOR HA

'APAI LAND

AREAS BUT STILL REMAIN IN FORCE FOR VAVA'U AND THE NIUAS LAND AREAS.



A GALE WARNING REMAIN IN FORCE FOR VAVA'U, HA'APAI, TONGATAPU AND 'EU

A LAND

AREAS.







SITUATION





A trough of low pressure system lies over the Niuas and extends acros

s the rest

of the group, bringing cloudy conditions, occasional rain, and the po

tential

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

 winds

prevail over most parts of Tonga.







FORECAST TO MIDNIGHT TONIGHT FOR TONGA





FOR TONGATAPU AND 'EUA:

Fresh southeasterly winds, strong and gusting up to gale force wind a

t times.

Cloudy periods with possible scattered showers, can be heavy at times

.



FOR HA'APAI AND VAVA'U:

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

force wind

at times.

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

h isolated

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



FOR THE NIUAS:

Light to moderate east to northeasterly winds. Turning northerly this

 evening.

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

h isolated

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







OUTLOOK FOR WEDNESDAY





FOR THE NIUAS:

Light to moderate north to northwest winds.

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

times with

potential of isolated thunderstorms.



FOR VAVA'U:

Moderate to fresh east to southeasterly winds, strong at times.

Cloudy periods with scattered showers, possibly heavy at times with p

otential

of isolated thunderstorms.



FOR HA'APAI , TONGATAPU AND 'EUA:

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

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

times with

potential of isolated thunderstorms.







TEMPERATURE FORECAST FOR NUKU'ALOFA





MAXIMUM FOR TODAY: 28C

MINIMUM FOR TONIGHT: 23C









MARINE WEATHER BULLETIN







WARNINGS FOR COASTAL WATERS





A GALE WARNING REMAIN IN FORCE FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA,

TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.



A STRONG WIND WARNING REMAIN IN FORCE FOR THE NIUAS COASTAL WATERS.



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

RS.







FORECAST TO MIDNIGHT TONIGHT 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 4.5-5 metres). A moderate southeaster

ly swell

(up to 2.5-3 metres). Poor visibility in waters of heavy rain especia

lly Vava'u

and Ha'apai.



FOR THE NIUAS COASTAL WATERS:

East to northeast winds 10-15 knots, rising up to 20-25 knots at time

s.

Moderate seas (2.5 metres). A moderate southeasterly swell (up to 2 m

etres).

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.

Very rough seas (up to 5 metres). A heavy damaging southeasterly swel

l (up to 4

metres) especially eastern of Vava'u and Ha'apai waters.



FOR THE NIUAS COASTAL WATERS:

North to northwest 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





HIGH TIDE: 9:45AM

LOW TIDE: 4:10PM







SUN AND MOON IN NUKU'ALOFA TODAY





SUNRISE: 6:59AM...............SUNSET: 6:15PM

MOONSET: 9:46AM ........... MOONRISE:8:35PM







THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 06:00AM 

WAS 1013.6

MILLIBARS AND THE RELATIVE HUMIDITY WAS 79%





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FCD: TTK/LL/= CRS: FL/=