IDW10700 Australian Government Bureau of Meteorology Western Australia Christmas Island Forecast Issued at 4:30 pm WST on Saturday 17 January 2026 Weather Situation: A low pressure trough to the north of the island will move south towards the island later in the outlook period, bringing the risk of shower and thunderstorms from Monday. Forecast for the rest of Saturday 17 January Partly cloudy. Winds: W/SW about 10 knots. Seas: About 1 metre. Swell: SW 1 to 1.5 metres. Forecast for Sunday 18 January Partly cloudy. Winds: W/SW below 10 knots. Seas: Below 1 metre. Swell 1: SW 1 to 1.5 metres Swell 2: S about 1 metre. Max 29 Min 24 Outlook for Monday 19 January Partly cloudy. Medium chance of a shower or two. Winds: W/NW about 10 knots. Max 29 Outlook for Tuesday 20 January Cloudy. High chance of a shower or two. The chance of a thunderstorm. Winds: W about 10 knots. Max 28 The next routine forecast will be issued at 5:30 am WST Sunday.