IDW10700 Australian Government Bureau of Meteorology Western Australia Christmas Island Forecast Issued at 5:30 am WST on Saturday 21 January 2017 Weather Situation: The monsoon trough currently lies in the vicinity of Christmas Island with a weak low pressure system situated well to the west southwest. The trough will move south over the weekend and showers and thunderstorms to increase in the northwesterly flow. Forecast for the rest of Saturday 21 January Shower or two. Chance of a thunderstorm. Winds: Variable winds around 5 knots becoming northwesterly 5 to 10 knots during the day. Seas: Up to 0.5 metre. Swell 1: South to southwesterly 1.5 to 2 metres. Swell 2: Northwesterly around 0.5 metre. Max 28 Forecast for Sunday 22 January Showers. Chance of thunderstorms. Winds: Northwesterly around 10 to 15 knots. Max 27 Outlook for Monday 23 January Showers. Chance of thunderstorms. Winds: Westerly around 10 knots. Max 27 The next routine forecast will be issued at 3:45 pm WST Saturday.