Weather News

Nine metre waves hitting NSW coast as wind, rain increase

Ben Domensino, Friday September 27, 2024 - 10:42 AEST


Rain, wind and waves are intensifying along the north coast of NSW as a low pressure system starts to form off the coast.


An upper-level trough passing over NSW has caused widespread rain over eastern Australia during last couple of days.


The heaviest rain during the 24 hours to 9am on Friday fell along the NSW Mid North Coast, where Comboyne Public School received 124 mm and Mooral Creek collected 121 mm. Falls of 50-60mm were also recorded in Coffs Harbour and parts of Sydney.


Wind and waves have been increasing along the NSW coast over the last 24 hours in response to a powerful southerly chance in the wake of a low pressure trough.


Coffs Harbour registered a wind gust of 78 km/h shortly after 9am on Friday, while gusts exceeding 80km/h were also recorded in parts of the Hunter and near Sydney earlier in the morning.


These powerful southerly winds caused waves to bulge along the coast, with maximum wave heights reaching 8.6 metres near Coffs Harbour and 8.3 metres at Crowdy Head on Friday morning.


Looking ahead, a low pressure system is likely to develop off the north coast of NSW on Friday and linger into Saturday. This deepening low will cause wind, rain and waves to intensify further along the state’s northeast coast and in far southeast Qld.


Some forecast models predict 100 to 200 mm of rain over parts of northeast NSW during Friday and Saturday combined, which would be enough rain to cause flooding.





Image: Forecast accumulate rain on Friday and Saturday, according to the ACCESS-G model.


As of 10am AEST on Friday, a warning was in place for damaging surf between Port Macquarie in NSW and North Stradbroke Island in Qld. Other severe weather warnings may be issued during the next 24 hours as the low pressure system develops.





Image: Forecast wind gusts at 10pm AEST on Friday, according to the ACCESS-G model.


Stay up to date with the latest warnings for the most accurate information on this developing system.





- Weatherzone

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