Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDN11002

Australian Government Bureau of Meteorology
New South Wales

Coastal Waters Forecast for New South Wales
Northern Zones: Point Danger to Broken Bay

Issued at 10:00 pm EDT on Monday 18 October 2021
for the period until midnight EDT Thursday 21 October 2021.

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 Tasman Sea will continue to drift east today as a trough develops close to the coast, bringing a southerly change to southern waters tonight. The southerly will gradually move northwards over the next couple of days as an area of low pressure develops offshore. Another ridge is expected by Friday.

Byron Coast: Point Danger to Wooli

Forecast for Monday 18 October until midnight

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1.5 metres offshore south of Cape Byron. Swell: Southerly around 1 metre inshore, increasing to 1.5 metres offshore. Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Tuesday 19 October

Winds: North to northeasterly 15 to 20 knots tending east to northeasterly in the early afternoon then becoming variable about 10 knots in the late evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. 1st Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. 2nd Swell: North to northeasterly around 1 metre. Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Wednesday 20 October

Winds: Southeast to southwesterly 10 to 15 knots tending east to southeasterly in the evening then tending south to southeasterly in the late evening. Seas: Around 1 metre. Swell: East to northeasterly around 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Thursday 21 October

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres south of Cape Byron during the afternoon. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Coffs Coast: Wooli to Smoky Cape

Forecast for Monday 18 October until midnight

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Coffs Harbour. Swell: Southerly 1.5 metres. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

Forecast for Tuesday 19 October

Winds: North to northeasterly 15 to 20 knots, tending southerly inshore in the evening. Seas: 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon. Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Wednesday 20 October

Winds: South to southwesterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Coffs Harbour during the morning. Swell: East to northeasterly around 1 metre. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Thursday 21 October

Winds: Southwesterly 10 to 15 knots turning south to southeasterly during the day then becoming variable about 10 knots during the afternoon. Seas: Below 1 metre. 1st Swell: Easterly around 1 metre, tending southeasterly 1 to 1.5 metres during the morning. 2nd Swell: Southerly around 1 metre. Weather: Partly cloudy. 70% chance of showers.

Macquarie Coast: Smoky Cape to Seal Rocks

Forecast for Monday 18 October until midnight

Winds: Northerly 15 to 20 knots. Seas: 1.5 to 2 metres. Swell: Southerly 1.5 metres. Weather: Partly cloudy. The chance of a thunderstorm north of Port Macquarie later this evening.

Forecast for Tuesday 19 October

Winds: Northerly 15 to 20 knots shifting southeast to southwesterly inshore in the late morning and afternoon. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. 1st Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Forecast for Wednesday 20 October

Winds: South to southwesterly 15 to 25 knots. Seas: 1 to 1.5 metres. 1st Swell: Southerly 1 to 1.5 metres, tending south to southwesterly around around midday. 2nd Swell: Northeasterly 1 to 1.5 metres, tending easterly below 1 metre by early evening. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Thursday 21 October

Winds: Southwesterly 15 to 20 knots tending southerly during the afternoon then turning west to southwesterly below 10 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. 1st Swell: Easterly 1 to 1.5 metres, tending southeasterly 1.5 to 2 metres during the afternoon. 2nd Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Macquarie during the afternoon or evening. Weather: Partly cloudy. 70% chance of showers.

Hunter Coast: Seal Rocks to Broken Bay

Forecast for Monday 18 October until midnight

Winds: North to northeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Norah Head. Swell: Southerly 1.5 metres. Weather: Clear.

Forecast for Tuesday 19 October

Strong Wind Warning for Tuesday for Hunter Coast

Winds: Northerly 15 to 20 knots shifting southerly during the morning. Winds reaching up to 30 knots south of Port Stephens in the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres during the afternoon. 1st Swell: Southerly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Becoming cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Forecast for Wednesday 20 October

Winds: South to southwesterly 15 to 25 knots. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon. 1st Swell: Southerly 1 to 1.5 metres. 2nd Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres north of Norah Head. Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm.

Forecast for Thursday 21 October

Winds: Southerly 15 to 20 knots. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. 1st Swell: Easterly around 1 metre, increasing to 1.5 to 2.5 metres during the morning. 2nd Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy. 80% chance of showers.

The next routine forecast will be issued at 4:10 am EDT 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.