FATO40 NFFN 161500 TONGA AREA FORECAST VALID FROM OCTOBER 161700 TO 170800 UTC 2026. SITUATION: A SOUTHEAST WIND FLOW PREVAILS OVER THE AREA AT THE SURFACE. WINDS: [SPEED IN KNOTS] FL240 28030M16 FL180 27020M03 FL140 24010P03 FL100 VRB05 FL070 14010 FL050 10015 FL020 12020 SIGWX: ISOL SHRA. VIS: 40KM, 10KM-15KM IN -SHRA, 5000M-10KM IN SHRA. CLOUD: FEW-SCT CU 015-030, TOPS 100-180, BKN IN SIGWX. SCT-BKN SC 030-050 IN SIGWX. TAF NFTV 161110Z 1612/1712 11008KT 9999 SCT018= TAF NFTL 152329Z 1600/1612 11015KT 9999 SCT016 BKN045= TAF NFTF 161110Z 1612/1712 10005KT 9999 FEW017=