FATO40 NFFN 162200 TONGA AREA FORECAST VALID FROM OCTOBER 170000 TO 171200 UTC 2026. SITUATION: A SOUTHEAST WIND FLOW PREVAILS OVER THE AREA AT THE SURFACE. WINDS: [SPEED IN KNOTS] FL240 27020M15 FL180 31020M03 FL140 29015P04 FL100 VRB05 FL070 15010 FL050 18015 FL020 13020 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 161713Z 1618/1718 11008KT 9999 SCT018= TAF NFTL 161601Z 1617/1708 11015KT 9999 SCT016= TAF NFTF 161711Z 1618/1718 10005KT 9999 FEW017=