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 4:10 am EST on Tuesday 17 September 2024
for the period until midnight EST Thursday 19 September 2024.

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 cold front is brushing the coastal waters today, maintaining fresh to strong southerly airstream. After this, a high pressure system is expected to move overhead, followed by a series of cold fronts and associated troughs crossing the state from midweek onwards.

Illawarra Coast: Port Hacking to Ulladulla

Forecast for Tuesday 17 September until midnight

Winds: West to southwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Point Perpendicular during the morning. Winds tending north to northeasterly in the early afternoon then tending west to northwesterly in the evening. Seas: 1 to 2 metres, decreasing below 1 metre during the morning. Swell: Southerly 2 to 3 metres, decreasing to 2 metres later in the evening. Weather: Mostly sunny. 50% chance of showers offshore in the morning.

Forecast for Wednesday 18 September

Strong Wind Warning for Wednesday for Illawarra Coast

Winds: Westerly 15 to 20 knots, reaching up to 30 knots offshore south of Port Kembla during the morning. Winds turning northwesterly in the late morning and afternoon. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres offshore. Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon. Weather: Sunny.

Forecast for Thursday 19 September

Winds: Northwesterly 15 to 25 knots turning westerly during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Point Perpendicular. Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Sunny.

Batemans Coast: Ulladulla to Montague Island

Forecast for Tuesday 17 September until midnight

Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming east to northeasterly 10 to 15 knots in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southerly 2 to 3 metres, decreasing to 2 metres later in the evening. Weather: Mostly sunny.

Forecast for Wednesday 18 September

Strong Wind Warning for Wednesday for Batemans Coast

Winds: West to northwesterly 20 to 30 knots becoming northwesterly 15 to 25 knots in the morning then increasing to 20 to 30 knots in the evening. Seas: Below 1 metre, increasing to 1.5 to 2.5 metres offshore during the morning. Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the morning. Weather: Sunny.

Forecast for Thursday 19 September

Winds: Northwesterly 15 to 20 knots turning westerly during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Sunny.

Eden Coast: Montague Island to Gabo Island

Forecast for Tuesday 17 September until midnight

Strong Wind Warning for Tuesday for Eden Coast

Winds: West to southwesterly 15 to 25 knots, reaching up to 30 knots offshore south of Merimbula during the day. Winds tending southeast to southwesterly in the early afternoon then tending west to southwesterly in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore south of Green Cape. Swell: Southerly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Wednesday 18 September

Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Merimbula in the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening. Swell: Southerly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Sunny.

Forecast for Thursday 19 September

Winds: Northwest to southwesterly 15 to 20 knots tending southwesterly during the day then tending westerly during the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: South to southwesterly 1 to 2 metres inshore, increasing to 2.5 to 3 metres offshore south of Green Cape during the evening. Weather: Partly cloudy.

The next routine forecast will be issued at 4:05 pm EST Tuesday.

* 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.