Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDN11003

Australian Government Bureau of Meteorology
New South Wales

Coastal Waters Forecast for New South Wales
Central Zones: Seal Rocks to Ulladulla

Issued at 4:05 pm EDT on Friday 9 October 2026
for the period until midnight EDT Monday 12 October 2026.

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.

Warning Information

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

Fresh northerly winds will develop across the coastal waters later today as a trough crosses the coastal waters during Saturday, driving a southerly change along the southern and central coastal waters later. Winds will return northerly again as a weak ridge will establish on Sunday. This will be followed by a series of cold front and troughs crossing the coastal waters, driving a second fresh and gusty southerly change during early next week.

Hunter Coast: Seal Rocks to Broken Bay

Forecast for Friday 9 October until midnight

Winds: Northeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Stephens by early evening. Swell: Southerly 2 to 2.5 metres. Weather: Clear.

Forecast for Saturday 10 October

Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds tending north to northwesterly during the day. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres during the afternoon. 1st Swell: Southerly 1.5 to 2 metres, decreasing to around 1 metre during the morning. 2nd Swell: North to northeasterly around 1 metre. Weather: Partly cloudy. 80% chance of showers in the morning and early afternoon. The chance of a thunderstorm in the morning.

Forecast for Sunday 11 October

Winds: Northwest to southwesterly 10 to 15 knots tending southeast to southwesterly before dawn then tending east to northeasterly 15 to 20 knots in the late afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. 1st Swell: North to northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. 2nd Swell: Southerly around 1 metre. Weather: Sunny.

Forecast for Monday 12 October

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre. Swell: Southerly below 1 metre. Weather: Mostly sunny. 50% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Sydney Coast: Broken Bay to Port Hacking

Forecast for Friday 9 October until midnight

Winds: Northeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southeasterly 2 to 2.5 metres. Weather: Clear.

Forecast for Saturday 10 October

Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds tending north to northwesterly in the early morning then turning westerly in the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southeasterly 1.5 to 2 metres, tending southerly 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.

Forecast for Sunday 11 October

Winds: Southwesterly 15 to 20 knots shifting northeasterly 10 to 15 knots in the early afternoon. Seas: Around 1 metre. 1st Swell: Southerly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Monday 12 October

Winds: Northerly 15 to 20 knots turning northwesterly 10 to 15 knots during the evening. Seas: Around 1 metre. Swell: Southerly below 1 metre. Weather: Mostly sunny. 50% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Illawarra Coast: Port Hacking to Ulladulla

Forecast for Friday 9 October until midnight

Winds: Northeasterly 15 to 20 knots turning northerly in the late evening. Seas: 1 to 1.5 metres. Swell: Southeasterly 2 to 2.5 metres. Weather: Clear.

Forecast for Saturday 10 October

Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Kembla early in the morning. Winds shifting west to southwesterly in the evening. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. Swell: Southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.

Forecast for Sunday 11 October

Winds: South to southeasterly 15 to 20 knots shifting north to northeasterly during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning, increasing to 1 to 1.5 metres south of Port Kembla by early evening. 1st Swell: Southerly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Monday 12 October

Winds: Northerly 15 to 20 knots tending northwest to southwesterly during the evening. Seas: Around 1 metre. Swell: Southerly below 1 metre. Weather: Mostly sunny. 50% chance of showers. The chance of a thunderstorm in the afternoon and evening.

The next routine forecast will be issued at 10:00 pm EDT Friday.

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones.

Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.