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 10:43 am EST on Wednesday 20 May 2026
for the period until midnight EST Friday 22 May 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 ridge establishing in the area during today with a trough and low pressure system further offshore and remaining over the Tasman Sea for the next several days, whipping fresh to strong southerly winds and large powerful waves to the coastline mid to late this week.

Byron Coast: Point Danger to Wooli

Forecast for Wednesday 20 May until midnight

Strong Wind Warning for Wednesday for Byron Coast

Winds: Southerly 20 to 30 knots. Seas: 1.5 to 2.5 metres. 1st Swell: Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the afternoon. 2nd Swell: Easterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the late afternoon and evening.

Forecast for Thursday 21 May

Strong Wind Warning for Thursday for Byron Coast

Winds: Southerly 25 to 30 knots. Seas: 2.5 to 3 metres. 1st Swell: Southerly 2 to 2.5 metres. 2nd Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the early morning.

Forecast for Friday 22 May

Winds: Southerly 30 to 35 knots. Seas: 3 to 4 metres. Swell: Southerly 2.5 to 3 metres, increasing to 3 to 5 metres during the afternoon or evening. Weather: Cloudy. 95% chance of showers. Caution: Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Coffs Coast: Wooli to Smoky Cape

Forecast for Wednesday 20 May until midnight

Strong Wind Warning for Wednesday for Coffs Coast

Winds: Southwesterly 25 to 30 knots turning southerly in the middle of the day. Seas: 2 to 2.5 metres. 1st Swell: Southerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon. 2nd Swell: Easterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the late afternoon and evening.

Forecast for Thursday 21 May

Strong Wind Warning for Thursday for Coffs Coast

Winds: Southerly 25 to 30 knots. Seas: 2.5 to 3 metres. 1st Swell: Southerly 2 to 2.5 metres. 2nd Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the early morning.

Forecast for Friday 22 May

Winds: Southerly 25 to 35 knots. Seas: 3 metres, increasing to 3 to 4 metres offshore north of Coffs Harbour. Swell: Southerly 2.5 to 3 metres, increasing to 4 to 5 metres during the afternoon or evening. Weather: Cloudy. 95% chance of showers. Caution: Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Macquarie Coast: Smoky Cape to Seal Rocks

Forecast for Wednesday 20 May until midnight

Strong Wind Warning for Wednesday for Macquarie Coast

Winds: Southwesterly 25 to 30 knots. Seas: 2 to 2.5 metres. 1st Swell: Southerly 2 to 3 metres. 2nd Swell: Northeasterly 2 metres, tending easterly 1.5 metres around midday. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.

Forecast for Thursday 21 May

Strong Wind Warning for Thursday for Macquarie Coast

Winds: Southerly 20 to 30 knots. Seas: 2 to 3 metres. 1st Swell: Southerly 2.5 to 3 metres. 2nd Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the early morning.

Forecast for Friday 22 May

Winds: Southerly 25 to 30 knots. Seas: 2 to 3 metres. Swell: Southerly 2.5 to 3 metres, increasing to 4 to 5 metres during the afternoon or evening. Weather: Cloudy. 95% chance of showers. Caution: Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Hunter Coast: Seal Rocks to Broken Bay

Forecast for Wednesday 20 May until midnight

Strong Wind Warning for Wednesday for Hunter Coast

Winds: Southwesterly 20 to 30 knots turning southerly in the evening. Seas: 2 to 2.5 metres. 1st Swell: Southerly 2 to 3 metres. 2nd Swell: Easterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Port Stephens. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.

Forecast for Thursday 21 May

Strong Wind Warning for Thursday for Hunter Coast

Winds: Southerly 20 to 30 knots decreasing to 20 to 25 knots before dawn then increasing to 20 to 30 knots in the early afternoon. Seas: 1.5 to 2.5 metres. 1st Swell: Southerly 2 to 3 metres. 2nd Swell: Easterly 1 to 1.5 metres. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm north of Norah Head in the early morning.

Forecast for Friday 22 May

Winds: Southerly 20 to 30 knots. Seas: 2 to 2.5 metres. Swell: Southerly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon or evening. Weather: Cloudy. 95% chance of showers. Caution: Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

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

* 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.