Tropical Cyclone Advisory Number 22 for Tonga on Tropical Cyclone Yasa

A STRONG WIND WARNING REMAINS INFORCE FOR THE NIUAS, VAVA’U AND HA’APAI LAND AREAS AND COASTAL WATERS.

A HEAVY DAMAGING SWELL WARNING REMAINS INFORCE FOR ALL OF TONGA COASTAL WATERS.

A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAINS INFORCE FOR THE NIUAS LAND AREAS

A SMALL CRAFT ADVISORY REMAINS INFORCE FOR ALL OF TONGA COASTAL WATERS.

FOR TONGATAPU AND ‘EUA:
East to Northeast winds 15-20 knots (30-40km/hrs) rising up to strong winds of 25-30 knots (50-60km/hrs) with momentary gusts up to gale force winds 35-45knots (70-90km/hrs). Mainly fine apart from cloudy periods with occasional showers. Very rough to high seas (up to 6-8 metres). A heavy damaging Northwesterly swell (up to 4-8 metres).

FOR VAVA’U AND HA’APAI:
East to Northeast winds 15-20knots (30-40km/hrs) with momentary gust up to strong force winds 25-30knots (50-60km/hrs) at times.
Mainly fine apart from cloudy periods with occasional showers. Rough to very rough seas (up to 6 metres). A heavy damaging Northwesterly swell (up to 4-7 metres).

FOR THE NIUAS:
North to Northwest winds 10-15knots (20-30km/hrs) with momentary gust up to strong force winds 20-30knots (40-60km/hrs) at times. Mostly cloudy with occasional showers, heavy at times. Rough to very rough seas (up to 6 metres). A heavy damaging Northwesterly swell (up to 4-6 metres)

FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
Southeasterly winds 20-25knots (40-50km/hrs) then rising up to 30-35knots (60-70km/hrs) with momentary gusts up to gale force winds 40-45knots (80-90km/hrs). Very rough to high seas (up to 6-8 metres). A heavy damaging Northwesterly swell (up to 4-9 metres).