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  Services » Regional Services » Regional hazards and emergency management » Coastal hazards including tsunami » Coastal flooding » Coastal inundation tool » Pre-defined water level scenarios » CEC

Coromandel East Coast levels

Whiritoa BeachOpoutere Beach,   Tairua and Pauanui,   Hahei Beach,   Mercury Bay,   Matarangi and Whangapoua,   Opito BayWhangamata Beach,   Onemana Beach,   Hot Water Beach,   Shakespeare Bay,   Otama BeachKuaotunu Beach,   Kennedy Bay,   Port Charles,   Sandy Bay,   Stony Bay

 

Whiritoa Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.07
Max tide (m) 1.26
Storm tide range (estimate) Lower (m) 1.37
Upper (m) 2.07
Future projected 0.5m projected  sea level rise MHWS (m) 1.57
Max tide (m) 1.76
Storm tide range Lower (m) 1.87
Upper (m) 2.57
1.0m projected sea level rise MHWS (m)   2.07
Max tide (m)   2.26
Storm tide range Lower (m) 2.37
Upper (m) 3.07

 

Opoutere Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.07
Max tide (m) 1.26
Storm tide range (estimate) Lower (m) 1.37
Upper (m) 2.07
Future projected 0.5m projected  sea level rise MHWS (m) 1.57
Max tide (m) 1.76
Storm tide range Lower (m) 1.87
Upper (m) 2.57
1.0m projected sea level rise MHWS (m)   2.07
Max tide (m)   2.26
Storm tide range Lower (m) 2.37
Upper (m) 3.07

 

Tairua and Pauanui

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.08
Max tide (m) 1.26
Storm tide range (estimate) Lower (m) 1.38
Upper (m) 2.08
Future projected 0.5m projected  sea level rise MHWS (m) 1.58
Max tide (m) 1.77
Storm tide range Lower (m) 1.88
Upper (m) 2.58
1.0m projected sea level rise MHWS (m)   2.08
Max tide (m)   2.27
Storm tide range Lower (m) 2.38
Upper (m) 3.08

 

Hahei Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.08
Max tide (m) 1.27
Storm tide range (estimate) Lower (m) 1.38
Upper (m) 2.08
Future projected 0.5m projected  sea level rise MHWS (m) 1.58
Max tide (m) 1.77
Storm tide range Lower (m) 1.88
Upper (m) 2.58
1.0m projected sea level rise MHWS (m)   2.08
Max tide (m)   2.27
Storm tide range Lower (m) 2.38
Upper (m) 3.08

 

Mercury Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.10
Max tide (m) 1.29
Storm tide range (estimate) Lower (m) 1.40
Upper (m) 2.10
Future projected 0.5m projected  sea level rise MHWS (m) 1.60
Max tide (m) 1.79
Storm tide range Lower (m) 1.90
Upper (m) 2.60
1.0m projected sea level rise MHWS (m)   2.10
Max tide (m)   2.29
Storm tide range Lower (m) 2.40
Upper (m) 3.10

 

Matarangi and Whangapoua

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.16
Max tide (m) 1.37
Storm tide range (estimate) Lower (m) 1.46
Upper (m) 2.18
Future projected 0.5m projected  sea level rise MHWS (m) 1.66
Max tide (m) 1.87
Storm tide range Lower (m) 1.96
Upper (m) 2.68
1.0m projected sea level rise MHWS (m)   2.16
Max tide (m)   2.37
Storm tide range Lower (m) 2.46
Upper (m) 3.18

 

Opito Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.11
Max tide (m) 1.31
Storm tide range (estimate) Lower (m) 1.41
Upper (m) 2.12
Future projected 0.5m projected  sea level rise MHWS (m) 1.61
Max tide (m) 1.81
Storm tide range Lower (m) 1.91
Upper (m) 2.62
1.0m projected sea level rise MHWS (m)   2.11
Max tide (m)   2.31
Storm tide range Lower (m) 2.41
Upper (m) 3.12

 

Whangamata

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.07
Max tide (m) 1.26
Storm tide range (estimate) Lower (m) 1.37
Upper (m) 2.07
Future projected 0.5m projected  sea level rise MHWS (m) 1.57
Max tide (m) 1.76
Storm tide range Lower (m) 1.87
Upper (m) 2.57
1.0m projected sea level rise MHWS (m)   2.07
Max tide (m)   2.26
Storm tide range Lower (m) 2.37
Upper (m) 3.07

 

Onemana Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.07
Max tide (m) 1.26
Storm tide range (estimate) Lower (m) 1.37
Upper (m) 2.07
Future projected 0.5m projected  sea level rise MHWS (m) 1.57
Max tide (m) 1.76
Storm tide range Lower (m) 1.87
Upper (m) 2.67
1.0m projected sea level rise MHWS (m)   2.07
Max tide (m)   2.26
Storm tide range Lower (m) 2.37
Upper (m) 3.07

 

Hot Water Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.08
Max tide (m) 1.27
Storm tide range (estimate) Lower (m) 1.38
Upper (m) 2.08
Future projected 0.5m projected  sea level rise MHWS (m) 1.58
Max tide (m) 1.77
Storm tide range Lower (m) 1.88
Upper (m) 2.58
1.0m projected sea level rise MHWS (m)   2.08
Max tide (m)   2.27
Storm tide range Lower (m) 2.38
Upper (m) 3.08

 

 

Shakespeare Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.10
Max tide (m) 1.30
Storm tide range (estimate) Lower (m) 1.40
Upper (m) 2.11
Future projected 0.5m projected  sea level rise MHWS (m) 1.60
Max tide (m) 1.80
Storm tide range Lower (m) 1.90
Upper (m) 2.61
1.0m projected sea level rise MHWS (m)   2.10
Max tide (m)   2.30
Storm tide range Lower (m) 2.40
Upper (m) 3.11

 

Whitianga (Wharf)

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 0.98
Max tide (m) 1.18
Storm tide range (estimate) Lower (m) 1.28
Upper (m) 1.99
Future projected 0.5m projected  sea level rise MHWS (m) 1.48
Max tide (m) 1.68
Storm tide range Lower (m) 1.78
Upper (m) 2.49
1.0m projected sea level rise MHWS (m)   1.98
Max tide (m)   2.18
Storm tide range Lower (m) 2.28
Upper (m) 2.99

 

Otama Beach

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.13
Max tide (m) 1.33
Storm tide range (estimate) Lower (m) 1.43
Upper (m) 2.14
Future projected 0.5m projected  sea level rise MHWS (m) 1.63
Max tide (m) 1.83
Storm tide range Lower (m) 1.93
Upper (m) 2.64
1.0m projected sea level rise MHWS (m)   2.13
Max tide (m)   2.33
Storm tide range Lower (m) 2.43
Upper (m) 3.14

 

Kuaotuna

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.15
Max tide (m) 1.36
Storm tide range (estimate) Lower (m) 1.45
Upper (m) 2.17
Future projected 0.5m projected  sea level rise MHWS (m) 1.65
Max tide (m) 1.86
Storm tide range Lower (m) 1.95
Upper (m) 2.67
1.0m projected sea level rise MHWS (m)   2.15
Max tide (m)   2.36
Storm tide range Lower (m) 2.45
Upper (m) 3.17

 

Kennedy Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.17
Max tide (m) 1.38
Storm tide range (estimate) Lower (m) 1.47
Upper (m) 2.19
Future projected 0.5m projected  sea level rise MHWS (m) 1.67
Max tide (m) 1.88
Storm tide range Lower (m) 1.97
Upper (m) 2.69
1.0m projected sea level rise MHWS (m)   2.17
Max tide (m)   2.38
Storm tide range Lower (m) 2.47
Upper (m) 3.19

 

Port Charles

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.24
Max tide (m) 1.46
Storm tide range (estimate) Lower (m) 1.54
Upper (m) 2.27
Future projected 0.5m projected  sea level rise MHWS (m) 1.74
Max tide (m) 1.96
Storm tide range Lower (m) 2.04
Upper (m) 2.77
1.0m projected sea level rise MHWS (m)   2.24
Max tide (m)   2.46
Storm tide range Lower (m) 2.54
Upper (m) 3.27

 

Sandy Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.24
Max tide (m) 1.46
Storm tide range (estimate) Lower (m) 1.54
Upper (m) 2.27
Future projected 0.5m projected  sea level rise MHWS (m) 1.74
Max tide (m) 1.96
Storm tide range Lower (m) 2.04
Upper (m) 2.77
1.0m projected sea level rise MHWS (m)   2.24
Max tide (m)   2.46
Storm tide range Lower (m) 2.54
Upper (m) 3.27

 

Stony Bay

Water level scenarioWater level
RL - m
(MVD-53)
Present day MHWS (m) 1.26
Max tide (m) 1.48
Storm tide range (estimate) Lower (m) 1.56
Upper (m) 2.29
Future projected 0.5m projected  sea level rise MHWS (m) 1.76
Max tide (m) 1.98
Storm tide range Lower (m) 2.06
Upper (m) 2.79
1.0m projected sea level rise MHWS (m)   2.26
Max tide (m)   2.48
Storm tide range Lower (m) 2.56
Upper (m) 3.29

 

Glossary of definitions

Sea level anomaly: Variations in sea levels from a long term ‘mean sea level’ that are not due to tides, effects of storm surge or waves are termed an ‘anomaly’. The variations in sea level along the coast are due primarily to changes in water temperature and wind patterns.

As water gets warmer it expands and sea levels rise. Persistent winds can also ‘push’ water towards the coast (increasing sea levels) or away from the coast (decreasing sea levels). The sea level variations occur at time periods over a year (seasonal changes), several years (El Niño and La Nina Climate Cycles) and over decades (Pacific Decadal Oscillation). 

Therefore, while tide levels can be accurately predicted, the actual sea level at any given location is likely to differ from the predicted tide.

 

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