Northern beaches close amid gastro event linked to rainfall

While people in the north of the state evacuate their homes amid rising floods, beaches across Sydney remain closed following a gastro-like event linked to the heavy rains over the weekend.

As rain continues to soak NSW and shows little sign of easing, many wonder if there will ever be a break.

For Sydney, a through from the Coral Sea will see up to 60mm of rain soak the city before it clears on Thursday.

On the northern beaches over the weekend, run-off from the lagoon at Queenscliff turned water on the coast brown, with a gastro-like illness striking dozens of children competing at the state’s surf lifesaving championships.

Beaches including Queenscliff, North Steyne and Manly remained closed on Monday.

In the north of the state, where several flood watch warnings and evacuation orders remain in place, the rain is likely to hold until the weekend. In the past 18 days, Lismore Airport has recorded 389.6mm of rain, most of which has occurred since Wednesday. The rain is likely to hold over the area until the weekend, said Weatherzone forecaster Corine Brown.

The Dee Why Lagoon runs out to sea after constant heavy rain.

The Dee Why Lagoon runs out to sea after constant heavy rain.Credit:Brook Mitchell.

In the next 24 hours, rainfall over the Lismore and Coffs Harbor region was likely to exceed 150milimetres. Between 9am on Sunday and 4am on Monday, Dunoon received 582mm, Mullumbimby received 439mm, Lismore 406mm and Tweed Heads 267mm.

Risk Frontiers general manager for resilience Andrew Gissing, a former director for emergency management with the Victoria SES, said the flooding had caused significant damage to homes, businesses and infrastructure.

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