IDN10008 Australian Government Bureau of Meteorology New South Wales Norfolk Island Forecast Issued at 6:00 am NFDT on Sunday 18 January 2026 for the period until midnight NFDT Wednesday 21 January 2026. Warning Information Nil.. For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts. Weather Situation Settled weather is forecast for today and much of tomorrow under the influence of a weakening high pressure ridge. A low pressure trough is forecast to approach the island from tomorrow night, bringing wet, windy and stormy weather through much of Tuesday and Wednesday. Forecast for the rest of Sunday 18 January Partly cloudy. Winds: E/SE about 10 knots. Seas: 1 to 1.5 metres. Swell: S/SW 1 to 1.5 metres. Precis: Partly cloudy. Max 27 Sun protection 7:40am to 4:10pm, UV Index predicted to reach 14 [Extreme] Forecast for Monday 19 January Partly cloudy. Medium (40%) chance of a shower, most likely later tonight. The chance of a thunderstorm at night. Winds: E/NE 10 to 15 knots. Seas: About 1 metre. Swell: S 1 to 1.5 metres, increasing to 1.5 to 2 metres in the afternoon. Precis: Possible shower. Min 21 Max 27 Forecast for Tuesday 20 January Cloudy. High (80%) chance of showers. The chance of a thunderstorm. Winds: N/NE 10 to 15 knots, increasing to 15 to 20 knots in the evening. Seas: 1.5 to 2 metres. Swell: S/SE 1.5 to 2 metres. Precis: Showers. Min 21 Max 26 Forecast for Wednesday 21 January Cloudy. Windy. High (80%) chance of showers. The chance of a thunderstorm. Winds: N 15 to 25 knots. Precis: Windy. Showers. Min 21 Max 26 The next routine forecast will be issued at 4:00 pm NFDT Sunday. * Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Calls from Norfolk Island may incur international rates.