EXTENDED WEATHER DISCUSSION FOR TONGA ISSUED FROM NWFC FUA'AMOTU TUESDAY 15 NOVEMBER 2011. A TROPICAL DISTURBANCE TO THE NORTHWEST OF THE GROUP IS SLOWLY MOVING SOUTH SOUTHEAST TOWARDS TONGA.MEANWHILE A TROUGH LIES OVER TONGA.ASSOCIATED CLOUD AND SHOWERS AFFECT THE GROUP. MODERATE TO FRESH NORTH TO NORTHWEST WINDS,GUSTY AT TIMES LATER TODAY THEN TENDING MODERATE SOUTH TO SOUTHEAST LATER TOMORROW AS A TROPICAL DISTURBANCE DEPARTURE ALSO RIDGE PUSH FROM SOUTHWEST TO DOMINATE OUR WEATHER UP TO WEEK END.OVERCAST WITH SOME SHOWERS AFFECTING TONGA UP TIL THURSDAY.ROUGH TO VERY ROUGH SEAS. SV/FH/TT= DISCLAIMER DUE TO THE CHANGING NATURE OF THE ATMOSPHERE IN THE TROPICS, THIS MEDIUM RANGE OUTLOOK IS FOR GUIDANCE ONLY AND SHOULD NOT BE USED TO MAKE DECISIONS THAT WOULD COMPROMISE SAFETY.