TONGA WEATHER FORECAST ISSUED FROM NWFC FUA'AMOTU AT 07:00PM FRIDAY 30 JULY 2010. SITUATION: A WEAK TROUGH LIES SLOW MOVING OVER THE GROUP. FORECAST TO MIDNIGHT TOMORROW FOR TONGA: MODERATE EAST TO SOUTHEAST WINDS FRESH AT TIMES. MOSTLY CLOUDY WITH A SOME SHOWERS. COOL AT NIGHT. OUTLOOK FOR SUNDAY: LIGHT TO MODERATE EAST TO SOUTHEAST WINDS FRESH AT TIMES. MOSTLY CLOUDY WITH SOME SHOWERS. MARINE WEATHER BULLETIN FOR TONGA: FORECAST TO MIDNIGHT TOMORROW FOR ALL TONGA COASTAL WATERS: EAST TO SOUTHEAST WINDS 15/20KTS AND UP TO 25 KNOTS AT TIMES. MODERATE SEAS. A MODERATE SOUTH TO SOUTHEAST SWELL. OUTLOOK FOR SUNDAY: SOUTHEAST WINDS 15/20 KNOTS AND UP TO 30 KNOTS. MODERATE SEAS. TIDES: HIGH TIDE: 10:40PM LOW TIDE: 04:50AM THE MEAN SEA LEVEL PRESSURE RECORDED AT FUA'AMOTU AT 07:00PM WAS 1021.5MB. TN/NH/=