TONGA WEATHER FORECAST ISSUED FROM THE NATIONAL WEATHER FORECASTING CENTRE AT FUA'AMOTU AT 10:30AM FRIDAY 3 JULY 2009. SITUATION: A WEAK TROUGH OF LOW PRESSURE REMAINS SLOW MOVING OVER THE NIUAS. MEANWHILE A RIDGE OF HIGH PRESSURE EXTENDING ONTO TONGA FROM THE SOUTHWEST DIRECTS A COOL EAST TO SOUTHEAST WINDFLOW OVER THE KINGDOM FORECAST TO MIDNIGHT TOMORROW FOR TONGA: MAINLY FINE ABOUT TONGATAPU,’EUA,HA’APAI AND VAVA'U.ELSEWHERE CLOUDY PERIODS WITH BRIEF SHOWERS.LIGHT TO MODERATE EAST TO SOUTHEAST WINDS.COOL AIR. OUTLOOK FOR SUNDAY: FINE . MARINE WEATHER BULLETIN FOR TONGA: FORECAST TO MIDNIGHT TOMORROW FOR TONGA: EAST TO SOUTHEAST WINDS 10/20 KNOTS ABOUT NIUAS COASTAL WATERS.ELSEWHERE EAST TO SOUTHEAST WINDS 10/15 KNOTS.SLIGHT TO MODERATE SEAS. OUTLOOK FOR SUNDAY: VARIABLE WINDS 10 KNOTS OVER MOST COASTAL WATERS TIDES LOW TIDE 10:45AM HIGH TIDE 05:00PM MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AT 10:30AM WAS 1015.9MB OT/