Storm Tide Evacuation Maps

How to use the Storm Tide Evacuation Maps

  1. Identify where your residence is on the map.
  2. If you are in one of the coloured zones, you may be at risk from storm tide flooding during cyclones.
  3. Identify your evacuation route to your pre-determined safer location.
  4. During a cyclone event tune into warnings.
  5. Authorities will advise which zones need to evacuate.

Storm tide evacuation zones

What do they mean:

Zones Infomation
RED Evacuation Zone INDICATES AREAS AT HIGHEST RISK OF FLOODING FROM CYCLONE STORM TIDE
Residents in the Red Zone face the highest risk of flooding from a cyclone storm tide. The Red Zone includes low-lying coastal areas and areas that may experience storm tide flooding up to approximately 1 metre above HAT.
ORANGE Evacuation Zone INDICATES AREAS AT HIGH RISK OF FLOODING FROM CYCLONE STORM TIDE
Residents in the Orange Zone face a high risk of flooding from a cyclone storm tide. The Orange Zone may experience storm tide flooding up to approximately 2 metres
YELLOW Evacuation Zone INDICATES AREAS AT MODERATE RISK OF FLOODING FROM CYCLONE STORM TIDE
Residents in the Yellow Zone face a moderate risk of flooding from a cyclone storm tide. The Yellow Zone may experience storm tide flooding up to approximately 2 to 4 metres above HAT.
BLUE Evacuation Zone INDICATES AREAS AT LOW RISK OF FLOODING FROM CYCLONE STORM TIDE
Residents in the Blue Zone face a low risk of flooding from a cyclone storm tide. The Blue Zone may experience storm tide flooding higher than approximately 4 metres above HAT.

What is Highest Astronomical Tide (HAT), often referred to as king tides. A HAT is the highest level of water which can be predicted to occur under any combination of astronomical conditions.

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