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 10:29 pm EDT on Thursday 19 March 2026
for the period until midnight EDT Sunday 22 March 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

A trough lies between the Hunter and Mid North Coast bringing unsettled conditions today. The trough is expected to linger Friday before moving offshore. Easterly winds continue through Saturday and Sunday maintaining unsettled weather. Winds may turn north about the south coast early next week. A cold front may bring a southerly change to the south coast late next week.

Hunter Coast: Seal Rocks to Broken Bay

Forecast for Thursday 19 March until midnight

Winds: Variable below 10 knots. Seas: Below 0.5 metres. Swell: Southerly below 1 metre. Weather: Partly cloudy.

Forecast for Friday 20 March

Winds: South to southeasterly about 10 knots. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Forecast for Saturday 21 March

Winds: South to southeasterly below 10 knots increasing to 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Forecast for Sunday 22 March

Winds: Southeasterly 10 to 15 knots turning easterly during the day. Seas: Below 1 metre. Swell: Easterly below 1 metre. Weather: Partly cloudy. 80% chance of showers.

Sydney Coast: Broken Bay to Port Hacking

Forecast for Thursday 19 March until midnight

Winds: South to southeasterly below 10 knots. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy.

Forecast for Friday 20 March

Winds: South to southeasterly about 10 knots. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Forecast for Saturday 21 March

Winds: South to southeasterly below 10 knots increasing to 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Forecast for Sunday 22 March

Winds: Southeasterly 10 to 15 knots turning easterly below 10 knots during the day. Seas: Below 1 metre. Swell: Easterly below 1 metre. Weather: Partly cloudy. 70% chance of showers.

Illawarra Coast: Port Hacking to Ulladulla

Forecast for Thursday 19 March until midnight

Winds: East to southeasterly about 10 knots. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm.

Forecast for Friday 20 March

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Forecast for Saturday 21 March

Winds: Variable about 10 knots becoming southeasterly 10 to 15 knots in the late afternoon. Seas: Below 1 metre. Swell: Southerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning and afternoon.

Forecast for Sunday 22 March

Winds: Southeasterly 10 to 15 knots turning easterly below 10 knots during the day. Seas: Below 1 metre. Swell: Southerly around 1 metre. Weather: Partly cloudy. 60% chance of showers.

The next routine forecast will be issued at 4:00 am 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.