Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDN11004

Australian Government Bureau of Meteorology
New South Wales

Coastal Waters Forecast for New South Wales
Southern Zones: Port Hacking to Gabo Island

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.

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.

Batemans Coast: Ulladulla to Montague Island

Forecast for Monday 29 June until midnight

Winds: Northeasterly 15 to 20 knots turning northerly in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening. Swell: Southerly below 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 during the day. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday. Swell: Northeasterly 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 increasing to 20 to 30 knots in the late evening. Seas: 1 to 2 metres, decreasing below 1.5 metres during the morning, then increasing to 1.5 to 2 metres by early evening. Swell: Southerly below 1 metre. Weather: Mostly sunny. 80% chance of showers. The chance of a thunderstorm offshore north of Moruya Heads at night.

Forecast for Thursday 2 July

Winds: Northerly 20 to 30 knots turning northwesterly 20 to 25 knots during the day. Seas: 1.5 to 2.5 metres. Swell: North to northeasterly around 1 metre. Weather: Mostly sunny. 80% chance of showers. The chance of a thunderstorm in the morning.

Eden Coast: Montague Island to Gabo Island

Forecast for Monday 29 June until midnight

Strong Wind Warning for Monday for Eden Coast

Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore south of Green Cape in the late evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Merimbula. Swell: Southerly below 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Tuesday 30 June

Strong Wind Warning for Tuesday for Eden Coast

Winds: Northerly 20 to 25 knots, reaching up to 30 knots offshore south of Merimbula early in the morning and again in the evening. Seas: 1.5 to 2 metres. Swell: Southerly around 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore north of Merimbula in the evening.

Forecast for Wednesday 1 July

Winds: Northerly 15 to 25 knots increasing to 25 to 30 knots in the late evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon. Swell: North to northeasterly below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday. Weather: Mostly sunny. 70% chance of showers.

Forecast for Thursday 2 July

Winds: Northerly 20 to 30 knots. Seas: 2 to 3 metres. Swell: North to northeasterly below 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Mostly sunny. 70% 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.