FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM THURSDAY 23 MAY 2019
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WARNING
A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAINS INFORCE FOR HA'APAI, TONGATAPU AND 'EUA LAND AREAS.

A STRONG WIND WARNING REMAINS INFORCE FOR HA'APAI, TONGATAPU AND 'EUA LAND AREAS.
SITUATION
A TROUGH OF LOW PRESSURE LIES AND SLOW MOVING OVER HA'APAI, TONGATAPU AND 'EUA. ASSOCIATED CLOUDS, OCCASIONAL RAINS AND STRONG WINDS AFFECTING HA'APAI, TONGATAPU AND 'EUA.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
FOR THE NIUAS:
LIGHT NORTH TO NORTHWEST WINDS, VARIABLE AT TIMES.
CLOUDY PERIODS WITH SCATTERED SHOWERS.


FOR VAVA'U:
MODERATE TO FRESH EAST TO NORTHEAST WINDS. WINDS GRADUALLY DECREASING TONIGHT.
CLOUDY PERIODS WITH POSSIBLE SCATTERED SHOWERS TONIGHT.


FOR HA'APAI, TONGATAPU AND 'EUA:
MODERATE TO FRESH EAST TO NORTHEAST WINDS, STRONG AT TIMES. WINDS GRADUALLY DECREASING OVER HA'APAI BY TONIGHT.
MOSTLY CLOUDY WITH OCCASIONAL SHOWERS, POSSIBLY HEAVY AT TIMES WITH ISOLATED THUNDERSTORMS.
POSSIBLE FLASH FLOOD IN LOW LYING AREA DUE TO HEAVY RAIN.
OUTLOOK FOR SATURDAY
FOR THE NIUAS AND VAVA'U:
LIGHT EASTERLY WINDS, VARIABLE AT TIMES.
MAINLY FINE APART FROM CLOUDY PERIODS WITH FEW SHOWERS.


FOR THE REST OF TONGA:
LIGHT TO MODERATE EAST TO NORTHEAST WINDS, FRESH AT TIMES.
MOSTLY CLOUDY WITH SCATTERED SHOWERS.
TEMPERATURE FORECAST FOR NUKU'ALOFA
MAXIMUM FOR TOMORROW : 26C
MINIMUM FOR TONIGHT : 21C
MARINE WEATHER BULLETIN
WARNINGS
A GALE WIND WARNING REMAIN INFORCE FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE KI TOKELAU COASTAL WATERS.

A STRONG WIND WARNING REMAIN INFORCE FOR VAVA'U COASTAL WATERS.

A HEAVY DAMAGING SWELL REMAIN INFORCE FOR VAVA'U, HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.

A SMALL CRAFT ADVISORY REMAIN INFORCE FOR VAVA'U, HA'APAI, TONGATAPU, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR ALL TONGA COASTAL WATERS
FOR HA'APAI, TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
EAST TO NORTHEAST WINDS 20-25 KNOTS, RISING UP TO 30-35 KNOTS AT TIMES. WINDS GRADUALLY DECREASING OVER HA'APAI BY TONIGHT.
ROUGH TO VERY ROUGH SEAS (4-6M). A MODERATE TO HEAVY DAMAGING EASTERLY SWELL (MORE THAN 3 METERS).
POOR VISIBILITY IN AREA OF HEAVY RAIN AND THUNDERSTRORMS.


FOR VAVA'U COASTAL WATERS:
EAST TO NORTHEAST WINDS 20-25 KNOTS, RISING UP TO 30 KNOTS AT TIMES. WINDS GRADUALLY DECREASING BY TONIGHT.
ROUGH TO VERY ROUGH SEAS (4-5M). A MODERATE TO HEAVY DAMAGING SOUTHEASTERLY SWELL (MORE THAN 3 METERS).


FOR THE NIUAS COASTAL WATERS:
NORTH TO NORTHWEST WINDS 10-15 KNOTS. VARIABLE AT TIMES.
SLIGHT TO MODERATE SEAS. A MODERATE SOUTHEASTERLY SWELL.
OUTLOOK FOR SATURDAY
FOR THE NIUAS AND VAVA'U COASTAL WATERS:
EASTERLY WINDS 10-15 KNOTS.
SLIGHT TO MODERATE SEAS. A MODERATE SOUTHEASTERLY SWELL.


FOR THE REST OF TONGA COASTAL WATERS:
EAST TO NORTHEAST WINDS 15-20 KNOTS, RISING UP TO 25 KNOTS AT TIMES.
MODERATE TO ROUGH SEAS (3-5M). A MODERATE EASTERLY SWELL (2-3 METERS).
TIDE PREDICTION
HIGH TIDE : 11:30PM (TONIGHT)
LOW TIDE : 05:30AM (TOMORROW)
SUN AND MOON
MOONRISE : 09:55PM (TONIGHT)
SUNRISE : 07:07AM (TOMORROW)
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 07:00PM WAS 1013.3 MILLIBARS AND THE RELATIVE HUMIDITY WAS 97%.
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FCD: GV/VV/= CRS: TT/HT/=