WTPH21 RPMM 181800 SECURITE TROPICAL CYCLONE WARNING FOR SHIPPING NR. 06 ISSUED AT 1800UTC, 18 SEPTEMBER 2025 BY DOST-PAGASA, PHILIPPINES TROPICAL STORM RAGASA (2518) 998HPA AT 1800UTC, PSTN 16.0N 132.4E MOV WNW 10KT MXWD 40KT NEAR CTR 34KT 90NM NE 110NM SE QUAD 12-HOUR FCST VLD AT 190600UTC PSTN 16.3N 131.3E, PRES 994HPA, MWXD 45KT 24-HOUR FCST VLD AT 191800UTC PSTN 16.7N 130.7E, PRES 990HPA, MWXD 50KT 36-HOUR FCST VLD AT 200600UTC PSTN 17.4N 130.1E, PRES 980HPA, MWXD 60KT 48-HOUR FCST VLD AT 201800UTC PSTN 18.0N 129.4E, PRES 965HPA, MWXD 70KT 60-HOUR FCST VLD AT 210600UTC PSTN 18.7N 127.9E, PRES 955HPA, MWXD 80KT 72-HOUR FCST VLD AT 211800UTC PSTN 19.1N 126.1E, PRES 945HPA, MWXD 90KT 96-HOUR FCST VLD AT 221800UTC PSTN 19.6N 121.7E, PRES 935HPA, MWXD 95KT 120-HOUR FCST VLD AT 231800UTC PSTN 20.5N 116.6E, PRES 945HPA, MWXD 90KT ALL VESSELS WITHIN 300 NM OF 16.0N 132.4E, SEND 3-HOURLY WX REPORTS. NEXT WARNING 190000UTC WEATHER MANILA=