ABIO10 PGTW 191800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/191800Z- 201800ZFEB2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/191351ZFEB2023// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: (1) AT 19FEB23 1200Z, TROPICAL CYCLONE 11S (FREDDY) WAS LOCATED NEAR 17.4S 64.1E, APPROXIMATELY 419 NM EAST-NORTHEAST OF PORT LOUIS, MAURITIU, AND HAD TRACKED WEST- SOUTHWESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 130 KNOTS GUSTING TO 160 KNOTS. SEE REF A (WTXS31 PGTW 191500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN