A strong wind warning remains in force for Tongatapu, 'Eua, Ha'apai and Vava'u land areas, while a gale warning remains in force for coastal waters, Tonga’s Fua’amotu Weather Forecasting Centre advised at 7:00pm this evening, Friday 20 November.

There could be some squally thunderstorms tonight, with temperatures dropping. For Nuku’alofa, the temperature could drop to 19 degrees Celcius tonight, with a maximum of 26 degrees tomorrow, Saturday.

Situation:

A ridge of high pressure extending onto Tonga from the southeast directs an east to southeast windflow over Tonga. Meanwhile, a trough of low pressure lies over Tongatapu and 'Eua spreading to Ha'apai and Vava'u, with associated clouds and rain with strong winds affecting the group this evening.     

Forecast to midnight tomorrow for Tonga:

Niuas:

Light to moderate east to northeast winds variable at times. Cloudy periods with possible light showers.

Tongatapu, 'Eua, Ha'apai and Vava'u.

Light to moderate east to northeast winds variable at times. Winds tending fresh to strong east to southeast gusty at times. Cloudy and overcast with occassional rain possibly heavy at times, with squally thunderstorms from tonight.

Outlook for Sunday for all of Tonga:

Light to moderate east to southeast winds fresh at times. Mainly fine.

Tide predictions:

Low  tide  :  08:20pm

High tide  :  02:25am (21/11/15) 

The mean sea level pressure recorded at Fua'amotu at 7:00pm was 1011.7

millibars and the relative humidity was 97%.