FIJI AREA FORECAST VALID SEP 181700 TO 190800 UTC. SITUATION: A WEAK TROUGH TO THE SOUTHWEST OF FIJI IS SLOWLY MOVING SOUTHEAST. ASSOCIATED BRIEF SHOWERS AFFECT THE SOUTHERN PARTS OF THE GROUP. A RIDGE OF HIGH PRESSURE FOLLOWS THE FRONT. WINDS : [SPEED IN KNOTS] FL180 27030 FL140 23010 FL100 01015 FL070 05015 FL050 09020 FL020 09020 SIGWX: ISOL SHRA ABT INTR OF MAIN ISLES DUR AFTN/EVENG. VIS : 40KM, 10-15KM IN FEW -SHRA ABT KADAVU, SOUTHERN LAU, 8000M OR LESS IN SHRA. CLOUD: RISK ISOL CB 018 TOPS 350 ABT MAIN ISLES DUR AFTN/EVENG. FEW-SCT CU 015-030, TOPS 120-140, ISOL TOPS 160. SCT-BKN SC 035-050, TOPS 060 IN -SHRA/SHRA. SCT-BKN ACAS ABV FL100 IN SIGWX AND ABT SOUTHERN FIJI.