WTAU06 APRF 230059 IDW23200 40:2:2:24:13S100E999:11:00 SECURITE OCEAN WIND WARNING FOR METAREA 10 Issued by the Australian Bureau of Meteorology Tropical Cyclone Warning Centre at 0059 UTC 23 DECEMBER 2025 STORM FORCE WIND WARNING Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. SITUATION At 0000 UTC Tropical Cyclone Grant was centred within 20 nautical miles of latitude twelve decimal eight south (12.8S) longitude one hundred decimal four east (100.4E) Recent movement : west at 4 knots Maximum winds : 35 knots Central pressure: 995 hPa The low is expected to develop into a tropical cyclone in the next 12 hours. AREA AFFECTED Within 60 nautical miles in SE quadrant and within 60 nautical miles in SW quadrant and within 50 nautical miles in NW quadrant and within 50 nautical miles in NE quadrant. FORECAST Maximum winds to 35 knots near the centre increasing to 50 knots by 0000 UTC 24 December. Winds above 48 knots within 25 nautical miles of the centre after 1800 UTC 23 December with very rough seas and moderate swell. Winds above 34 knots within 60 nautical miles in SE quadrant and within 60 nautical miles in SW quadrant and within 50 nautical miles in NW quadrant and within 50 nautical miles in NE quadrant with rough seas and moderate swell. Forecast positions At 1200 UTC 23 December: Within 40 nautical miles of 12.6 south 99.5 east Central pressure 990 hPa. Winds to 45 knots At 0000 UTC 24 December: Within 55 nautical miles of 12.3 south 98.7 east Central pressure 986 hPa. Winds to 50 knots REMARKS All ships in the area please send weather reports every three hours. Regular weather observing ships use normal channels. Other ships please use email to tcwc@bom.gov.au. Next warning will be issued by 0700 UTC 23 December 2025. AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE