FUA'AMOTU WEATHER FORECASTING CENTER
WEATHER BULLETIN ISSUED AT 06:00AM FRIDAY 18 JANUARY 2019
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WARNINGS
NIL
SITUATION
A TROUGH OF LOW PRESSURE SYSTEM LIES OVER VAVA'U AND HA'APAI EXPECTED TO SLOWLY MOVE WEST-SOUTHWEST. MEANWHILE, A NORTHEASTERLY WINDFLOW PREVAILS OVER TONGA. ASSOCIATED CLOUDS AND OCASSIONAL SHOWERS THAT WILL AFFECT THE GROUP.
FORECAST TO MIDNIGHT TONIGHT FOR TONGA
FOR THE NIUAS:
LIGHT TO MODERATE NORTH TO NORTHEAST WINDS, VARIABLE AT TIMES.
MOSTLY CLOUDY WITH OCASSIONAL SHOWERS, HEAVY AT TIMES WITH POSSIBLE ISOLATED THUNDERSTORMS.


FOR THE REST OF TONGA:
LIGHT TO MODERATE EAST TO NORTHEAST WINDS. VARIABLE AT TIMES.
MOSTLY CLOUDY WITH OCCASSION SHOWERS, HEAVY AT TIMES WITH POSSIBLE ISOLATED THUNDERSTORMS.


OUTLOOK FOR SATURDAY
FOR THE NIUAS:
LIGHT TO MODERATE NORTH TO NORTHEAST WINDS, VARIABLE AT TIMES.
MAINLY FINE APART FROM CLOUDY PERIODS WITH POSSIBLE SCATTERED SHOWERS.


FOR THE REST OF TONGA:
LIGHT TO MODERATE NORTH TO NORTHEAST WINDS, VARIABLE AT TIMES.
MOSTLY CLOUDY AND OVERCAST WITH OCASSIONAL SHOWERS, HEAVY AT TIMES WITH ISOLATED THUNDERSTORMS ESPECIALLY OVER THE VICINITY OF TONGATAPU AND 'EUA.
TEMPERATURE FORECAST FOR NUKU'ALOFA
MAXIMUM FOR TODAY : 30C
MINIMUM FOR TONIGHT : 25C
MARINE WEATHER BULLETIN
WARNINGS
NIL
FORECAST TO MIDNIGHT TONIGHT FOR ALL TONGA COASTAL WATERS
FOR THE NIUAS COASTAL WATERS:
NORTH TO NORTHEAST WINDS 10-15 KNOTS, VARIABLE UP TO 10 KNOTS.
SLIGHT TO MODERATE SEAS. A MODERATE NORTHWESTERLY SWELL.


FOR THE REST OF TONGA COASTAL WATERS:
EAST TO NORTHEAST WINDS 10-15 KNOTS, VARIABLE UP TO 10 KNOTS.
SLIGHT TO MODERATE SEAS. A MODERATE NORTHWESTERLY SWELL.
OUTLOOK FOR SATURDAY
FOR ALL OF TONGA COASTAL WATERS:
NORTH TO NORTHEAST WINDS 10-15 KNOTS, VARIABLE UP TO 10 KNOTS.
SLIGHT TO MODERATE SEAS. A MODERATE NORTHWESTERLY SWELL.
TIDE PREDICTION
LOW TIDE : 10:30AM
HIGH TIDE : 04:50PM
SUN AND MOON
SUNRISE : 06:13AM
MOONRISE : 04:20PM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 06:00AM WAS 1008.6 MILLIBARS AND THE RELATIVE HUMIDITY WAS 97%.
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FCD: NH/VV/= CRS: HT/=