IDN11002
Australian Government Bureau of Meteorology
New South Wales
Issued at 4:33 am EDT on Thursday 11 December 2025
for the period until midnight EDT Saturday 13 December 2025.
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.
Southerly winds persisting about the southern half of the coast as a trough stalls off the Hunter and Sydney coast. Winds will tend east to northeasterly from today as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. The next southerly change is expected during Sunday and Monday.
Winds: Variable below 10 knots becoming easterly 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: East to northeasterly below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm inshore during this afternoon and early evening.
Winds: Easterly 10 to 15 knots turning northeasterly in the evening. Seas: Below 1 metre. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm south of Cape Byron in the afternoon and evening.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots during the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron during the afternoon or evening. Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Variable about 10 knots becoming easterly 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Northeasterly below 1 metre. Weather: Cloudy. 60% chance of showers. The chance of a thunderstorm late this afternoon and evening.
Winds: Easterly 10 to 15 knots turning northeasterly in the afternoon. Seas: Below 1 metre. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northerly 15 to 20 knots increasing to 15 to 25 knots during the afternoon. Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon. Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Winds: Northwest to northeasterly 10 to 15 knots tending east to northeasterly in the morning. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Winds: Easterly 10 to 15 knots turning northeasterly during the morning. Winds reaching up to 20 knots offshore south of Crowdy Head in the late evening. Seas: Around 1 metre. Swell: Easterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Macquarie during the morning. Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northeasterly 15 to 20 knots turning northerly 15 to 25 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon. Swell: Easterly around 1 metre. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly during the day. Winds reaching up to 20 knots south of Port Stephens in the late morning and afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Stephens around midday. Swell: Southerly around 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: East to southeasterly 10 to 15 knots turning northeasterly during the morning. Winds reaching up to 20 knots offshore north of Norah Head in the late evening. Seas: Around 1 metre. 1st Swell: Southerly around 1 metre. 2nd Swell: Easterly around 1 metre. Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northeasterly 15 to 20 knots turning northerly 15 to 25 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Port Stephens during the afternoon or evening. Swell: East to southeasterly below 1 metre, increasing to around 1 metre south of Port Stephens. Weather: Mostly sunny day. The chance of a thunderstorm in the afternoon and evening.
The next routine forecast will be issued at 10:00 am EDT Thursday.
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Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.