FUA'AMOTU WEATHER FORECASTING CENTRE
WEATHER BULLETIN ISSUED AT 07:00PM MONDAY 20 APRIL 2026
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WARNING FOR LAND AREAS
	NO WARNING.
SITUATION
	A low pressure system lies over Tele-ki-Tonga and Tele-ki-Tokelau waters with an elongated trough lies across Tongatapu and 'Eua with associated cloudy condition, occasional showers and strong wind will affect these areas until tomorrow early.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA
	FOR THE NIUAS, VAVA'U AND HA'APAI: Light to moderate east to northeasterly winds and variable at times Mainly fine apart from cloudy periods with showers especially over Ha'apai by later tonight FOR TONGATAPU AND 'EUA: Light to moderate north to northeasterly winds, fresh at times and turning northwesterly by later tomorrow. Cloudy periods with occasional showers, possibly heavy at times with possible isolated thunderstorms
OUTLOOK FOR WEDNESDAY
	FOR ALL OF TONGA: Light east to northeast winds and variable at times Cloudy periods with scattered showers.
TEMPERATURE FORECAST FOR NUKU'ALOFA
	MAXIMUM FOR TOMORROW: 28C MINIMUM FOR TONIGHT: 24C
MARINE WEATHER BULLETIN
WARNINGS FOR COASTAL WATERS
	A GALE WARNING REMAINS IN FORCE FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS A STRONG WIND WARNING REMAIN IN FORCE FOR TONGATAPU AND 'EUA, COASTAL WATERS. A SMALL CRAFT ADVISORY REMAINS IN FORCE FOR TONGATAPU, 'EUA, TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS. AN EXTREME HIGH TIDE REMAINS IN FORCE FOR ALL OF TONGA COASTAL WATERS.
FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Northwesterly wind 25-30 knots and gusting up to 35-40 knots at times. Rough to very rough seas (up to 5-6 metres). Possible flooding in low-lying coastal area due to extreme high tides. Poor visibility in waters of heavy rain. Becoming moderate southwesterly swell by later tomorrow afternoon (up to 2-3 metres). FOR TONGATAPU AND 'EUA COASTAL WATERS North to northeasterly winds 10-20 knots and rising up to 25-30 knots at times. Turning northwesterly and easing down to 10-15 knots by later tomorrow. Moderate seas (up to 2-3 metres). Possible flooding in low-lying coastal area due to extreme high tides. Poor visibility in waters of heavy rain. FOR THE NIUAS, VAVA'U AND HA'APAI COASTAL WATERS: East to northeast winds of up to 10-15 knots, rising up to 20 knots at times over Ha'apai coastal waters. Slight to moderate seas (up to 1.5 metres). Possible flooding in low-lying coastal area due to extreme high tides.
OUTLOOK FOR WEDNESDAY
	FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS: Southeasterly winds 15-25 knots and gusting up to 30-35 knots at times. Rough seas (up to 4 metres). Moderate southwesterly swell (up to 3 metres). A moderate southwesterly swell (up to 2-3 metres). Poor visibility in waters of heavy rain. FOR THE NIUAS, VAVA'U, HA'APAI, TONGATAPU AND 'EUA COASTAL WATERS: Light and variable winds of up to 10 knots at times. Slight to moderate seas (up to 2 metres). A moderate southwesterly swell (up to 2-3 metres) FOR THE NIUAS COASTAL WATERS: East wind of up to 10-15 knots at times. Slight to moderate seas (up to 2 metres).
TIDE PREDICTION IN NUKU'ALOFA
	HIGH TIDE: 10:00PM LOW TIDE: 4:00AM
SUN AND MOON IN NUKU'ALOFA
	SUNRISE: 6:54AM MOONRISE: 10:39AM
THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AIRPORT AT 7:00PM WAS 1011.0 MILLIBARS AND THE RELATIVE HUMIDITY WAS 89%
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	FCD: SI/VMF/PT/= CRS: FL/=