Tropical Cyclone Advisory Number 4 for Tonga on Severe Tropical Cyclone Yasa (Category 5)

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

A STRONG WIND WARNING REMAINS INFORCE FOR VAVA’U AND THE NIUAS LAND AND COASTAL WATERS AS WELL TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS.

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

A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY IS NOW INFORCE FOR HA’APAI, TONGATAPU AND ‘EUA LAND AREAS BUT REAMINS INFORCE FOR THE NIUAS AND VAVA’U LAND AREAS.

FOR HA’APAI, TONGATAPU AND ‘EUA:
East to Southeast winds 15-20knots (30-40km/hrs), rising up to 25-30knots (50-60km/hrs) at times. Becoming North to Northeast winds with momentary gusts up to gale force winds 35-45knots (70-90km/hrs) by this evening.
Mostly cloudy and overcast with periods of occasional rain, heavy at times. Moderate seas (up to 2.5 metres) becoming rough to very rough seas (up to 4-6 metres) by this evening. A heavy damaging Northwesterly swell (up to 4-6 metres).

FOR VAVA’U:
East to Northeast winds 10-15knots (20-30km/hrs). Becoming strong North to Northwest winds 25-30knots (50-60km/hrs) by this evening. Cloudy and overcast at times with periods of heavy occasional rain and thunderstorms. Moderate seas (up to 2.5 metres) becoming rough to very rough seas (up to 4-6 metres) by this evening. A heavy damaging Northwesterly swell (up to 4-6 metres).

FOR THE NIUAS:
North to Northwest winds 15-20knots (30-40 km/hrs) then rising up to 25-30 knots (50-60km/hrs) by this morning. Mostly cloudy and overcast with occasional rain, heavy at times with isolated thunderstorms. Moderate seas (up to 2.5 metres) becoming rough to very rough seas (up to 4-6 metres) by this morning. A heavy damaging Northwesterly swell (up to 4-6 metres)

FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
Southeast winds 15-20knots (30-40km/hrs) then rising up to 25-30knots (50-60km/hrs). Moderate to rough seas (up to 4 metres). A heavy damaging Northwesterly swell (up to 4-6 metres).