Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

Marine (lite) Home

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 EST on Monday 29 June 2026
for the period until midnight EST Thursday 2 July 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 high pressure system over the southern Tasman Sea extends a ridge across the coastal waters, directing moderate to fresh north to northeasterly winds. Northerly winds will strengthen through the midweek ahead of a series of cold fronts crossing the state. Winds will then turn west to southwesterly later in the week following the passage of the fronts.

Hunter Coast: Seal Rocks to Broken Bay

Forecast for Monday 29 June until midnight

Winds: Northeasterly 15 to 20 knots. Seas: Below 1 metre. Swell: Southerly around 1 metre. Weather: Partly cloudy. 50% chance of showers.

Forecast for Tuesday 30 June

Winds: Northeasterly 15 to 20 knots turning northerly early in the morning. Winds reaching up to 25 knots offshore in the afternoon. Seas: 1 to 2 metres. Swell: Southerly around 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore south of Port Stephens in the evening.

Forecast for Wednesday 1 July

Winds: Northerly 15 to 25 knots increasing to 20 to 30 knots in the late evening. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres by early evening. Swell: Southerly below 1 metre. Weather: Mostly sunny.

Forecast for Thursday 2 July

Winds: Northerly 20 to 30 knots turning northwesterly 15 to 20 knots during the day. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening. Swell: Easterly below 1 metre. Weather: Partly cloudy. 90% chance of showers.

Sydney Coast: Broken Bay to Port Hacking

Forecast for Monday 29 June until midnight

Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening. Seas: Below 1 metre. Swell: Southerly around 1 metre. Weather: Partly cloudy. 50% chance of showers.

Forecast for Tuesday 30 June

Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore in the late morning and early afternoon. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening. Swell: Southerly around 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the evening.

Forecast for Wednesday 1 July

Winds: Northerly 15 to 25 knots. Seas: 1 to 1.5 metres. Swell: Southerly around 1 metre. Weather: Mostly sunny.

Forecast for Thursday 2 July

Winds: Northerly 20 to 30 knots turning northwesterly 15 to 25 knots during the day. Seas: 1.5 to 2.5 metres. Swell: Southerly below 1 metre. Weather: Mostly sunny. 90% chance of showers.

Illawarra Coast: Port Hacking to Ulladulla

Forecast for Monday 29 June until midnight

Winds: Northeasterly 15 to 20 knots turning northerly in the late evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Port Kembla by early evening. Swell: Easterly below 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Tuesday 30 June

Winds: Northerly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southerly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore in the evening.

Forecast for Wednesday 1 July

Winds: Northerly 15 to 25 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon. Swell: Southerly below 1 metre. Weather: Mostly sunny. 70% chance of showers. The chance of a thunderstorm offshore south of Port Kembla at night.

Forecast for Thursday 2 July

Winds: Northerly 20 to 30 knots turning northwesterly 15 to 25 knots during the day. Seas: 1.5 to 2.5 metres. Swell: North to northeasterly around 1 metre south of Port Kembla. Weather: Mostly sunny. 90% chance of showers. The chance of a thunderstorm in the morning.

The next routine forecast will be issued at 10:00 pm EST Monday.

* 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.