IDT21137
Australian Government Bureau of Meteorology

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Coastal Hazard Warning

for ABNORMALLY HIGH TIDES

For people in parts of Upper Derwent Valley, South East and East Coast Forecast Districts.

Issued at 10:47 pm Sunday, 12 July 2026.

Abnormally high tides for southern Tasmania.

Weather Situation: A low pressure system is passing south of Tasmania, directing a series of cold fronts and troughs over the state today and tomorrow.

ABNORMALLY HIGH TIDES which may lead to sea water flooding of low-lying coastal areas likely between Southport and Maria Island. Tides are likely to rise well above the normal high tide mark during Sunday and Monday evening high tides.

Locations which may be affected include Hobart, Bruny Island, Clifton Beach, Huonville, Geeveston, Dover, Southport, Dodges Ferry, Maria Island, Orford, Triabunna, Eaglehawk Neck, Port Arthur and Lauderdale.

The high tide on Monday evening is expected to be about as high as that of the 24th of June 2025 - similar inundation impacts are possible.

The State Emergency Service advises that people should:
* Supervise children closely.
* Check that family and neighbours are aware of warnings.
* Manage pets and livestock.
* Do not walk, ride or drive through flood waters.
* Be prepared in case of power outages and report any outages to TasNetworks on 132 004.
* Listen to the ABC radio or check www.ses.tas.gov.au for further advice.
* For emergency assistance contact the SES on 132500.

The next Coastal Hazard Warning will be issued by 5:00 am AEST Monday.

Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.