FQAU23 AMMC 050814 IDY10220 SECURITE Updated High Seas Forecast for Western METAREA 10 12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 1100 UTC 5 January 2026 Part 1 Warnings Refer to latest warnings for details of the area affected. Ocean Wind Warning for Tropical Cyclone Jenna. Melbourne Gale Warning 12. Part 2 Situation at 050600 UTC Tropical Cyclone 'Jenna' 998hPa near 12.2S97.4E. Forecast Tropical Cyclone 'Jenna' 985hPa near 16.0S94.9E at 061200UTC. Cold front 40S101E 45S112E 50S116E. Forecast 42S122E 44S129E at 060600UTC then east of area. Part 3 Forecast Refer to latest warnings for details of the area affected. Within 360nm of Tropical Cyclone 'Jenna', outside warning areas: Clockwise winds 15/25 knots, increasing to 20/33 knots within 180nm of Tropical Cyclone 'Jenna', expanding to within 300nm of southern semicircle of low from 060000UTC. Rough to very rough seas. Low to moderate swell. South of line 41S080E 39S112E 43S129E, outside warning areas: Northwesterly quarter winds 20/33 knots, shifting westerly quarter west of cold front. Rough to very rough seas. Moderate to heavy swell. East of line 32S114E 34S114E: Southerly quarter winds 20/33 knots. Rough to very rough seas. Low to moderate swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of front, north of line 12S108E 19S105E 19S090E. Heavy at times within 60nm of low. Visibility reducing below 2nm in precipitation. Please be aware Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height. WEATHER MELBOURNE The next routine forecast will be issued at 20:00 UTC Monday.