Tropical Cyclone Advisory Number 15 for Tonga on Tropical Cyclone Ana (Category 1)

A GALE WARNING REMAINS IN FORCE FOR HA’APAI, TONGATAPU AND ‘EUA LAND AREAS AND COASTAL WATERS.

A STRONG WIND WARNING REMAINS IN FORCE FOR THE NIUAS AND VAVA’U LAND AREAS AND COASTAL WATERS.

A HEAVY DAMAGING SWELL AND SMALL CRAFT ADVISORY REMAINS IN FORCE FOR ALL OF TONGA COASTAL WATERS.

A HEAVY RAIN WARNING AND FLASH FLOOD ADVISORY REMAINS IN FORCE FOR ALL OF TONGA LAND AREAS.

FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:
East to Southeast winds 25-35 knots (50-70 km/hr) rising up to 45knots (90km/hr) at times with a momentary gust up to storm force wind 50-60 knots (100-120km/hr). Very rough to high seas (up to 6-9 meters). A heavy damaging Northwesterly swell (up to 4-6 meters).

FOR HA’APAI, TONGATAPU AND ‘EUA:
North to Northeast winds 20-25 knots (40-50 km/hr) with momentary gust up to 35-40 knots (70-80km/hr) at times.
Cloudy and overcast with occasional rain, heavy at times that will cause flash flood in low lying areas.
Moderate to rough seas (up to 3-4 meters) then become very rough by tonight (up to 4-6 meters). A heavy damaging Northwesterly swell (up to 4 meters). Poor visibility in areas of heavy rain.

FOR THE NIUAS AND VAVA’U:
North to Northeast winds 15-20 knots (30-40 km/hr), rising up to 25-30 knots (50 – 60km/hr) at times.
Cloudy and overcast at times with developing occasional rain, heavy at times that will cause flash flood in low lying areas.
Moderate to rough seas (up to 3-4 meters). A heavy damaging Northwesterly swell (up to 4 meters). Poor visibility in areas of heavy rain.