NZ Historic Weather Events Catalog

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ModerateAugust 1974 Hawke's Bay Heavy Seas ( 1974-08-16 )

20 years

There was a coastal storm and heavy seas battering the East Coast. A Civil Defence Emergency was declared in Clive, Haumoana and Te Awanga in Hawke's Bay.

New Zealand

Maritime / CoastalMaritime / Coastal at New Zealand
Duration:   2  days - There was a coastal storm on the 16th and 17th of August with heavy seas battering the East Coast.
Comments:

Gisborne

Maritime / CoastalMaritime / Coastal at Wainui
Map Location: -38.68801 178.07312
Comments:

ImpactSix feet (1.83 m) of frontage was washed away from homes at Wainui on the 16th due to heavy seas.

Hawke's Bay

Maritime / CoastalMaritime / Coastal at Hawke's Bay
Comments:

Peak Water LevelObserved wave heights in Hawke's Bay were in the order of 4.5 m - 9.0 m.

Declared EmergencyA Civil Defence Emergency was declared for Clive, East Clive, Haumoana and Te Awanga at 1:30pm on the 17th until 9:00am on the 19th.

Evacuees30 homes were evacuated.

Impact200 homes along the coast were affected by the floods.

Maritime / CoastalMaritime / Coastal at Clive
Map Location: -39.586947 176.912721
Comments:

AreaSeawater flooded 300 hectares of horticultural and urban land.

ImpactSeawater formed a huge lake from the township of Clive to East Clive.

CommentIt was the first time in 20 years that the sea had advanced so far inland.

Physical CharacteristicSeawater pounded over the shingle bank and flowed onto paddocks. Seawater was two feet (0.61 m) deep in places.

ImpactThere was water in the shopping areas of Clive. Clive Hotel, the TAB, dairy and chemist were surrounded by water with water inside also.

Maritime / CoastalMaritime / Coastal at Haumoana
Map Location: -39.602913 176.946842
Comments:

CommentThere were abnormally high seas at Haumoana.

ImpactWater was smashing against homes.

ImpactThe top of the beach wall was removed by waves.

ImpactThe worst hit area was the Haumoana extension, a group of houses on the seafront between Haumoana and Te Awanga.

DamageDozens of gardens were carpeted with a layer of rocks, sand and gravel.

DamageOne house had two front rooms filled to the windowsill high with rocks and gravel.

EvacueesFour or five families were evacuated from Haumoana.

DamageOne house in the Haumoana extension had its garage smashed. The wash house disappeared into sea and the end of house crumbled.

Damage CostWaves smashed into windows of one sea front home. The waves threw furniture across the lounge and soaked carpets. The damage was estimated at over $1000 ($9500 2010 dollars).

DamageThere was beach erosion and damage to property.

ImpactThere were heaps of rocks and gravel, four feet (1.22 m) deep in places, extending right to front doors.

ImpactSeptic tanks were flooded.

ImpactTwo residents moved out of their homes for good.

DamageSeven flats were a total loss. There was two inches of water through the flats.

Impactlow-lying areas were flooded.

ImpactAs a result of heavy seas, three to five feet (0.91-1.52 m) of beach was lost.

Maritime / CoastalMaritime / Coastal at Napier
Map Location: -39.502426 176.892804
Comments:

ImpactMarine Parade was battered by heavy seas.

DamageThere was a broken window at the skating rink.

DamageShingle was dumped by waves into excavations of the new aquarium and there was some structural damage.

Maritime / CoastalMaritime / Coastal at Te Awanga
Map Location: -39.63397 176.98068
Comments:

EvacueesFive families evacuated from Te Awanga.

Affected LifelineThe road into Clifton Camp was washed away.

DamageThere was beach erosion and damage to property.

Canterbury

Maritime / CoastalMaritime / Coastal at Christchurch
Map Location: -43.53112 172.636147
Comments:

ImpactAt North Beach a seawall was flattened by heavy seas.

DamageFishing boats and small craft broke their moorings and were driven onto rocks around Purau in Lyttelton Harbour.

Otago

Maritime / CoastalMaritime / Coastal at Kakanui
Map Location: -45.179058 170.909659
Comments:

ImpactAt Kakanui farmland was flooded by heavy seas.

Maritime / CoastalMaritime / Coastal at Oamaru
Map Location: -45.087138 170.980874
Comments:

Affected LifelineThe coast road was undermined by the sea.

References

Johnston, D.D., and Pearse, L.J. 2007. Hazards in Hawke's Bay. Hawke's Bay Regional Council, Napier, New Zealand.
MCDEM, 2002
Reference: Hawkes Bay Regional Council, Regional Coastal Hazard Assessment: Volume 1, February 2004, p. 20.
Headline: A lake of seawater.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: East coast battered.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: Little damage at Napier.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: State of emergency evacuation.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: County warning: Clive flooding may cost season's crops.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: County warning: It might not yet be all over.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: Families are leaving for good.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: Seven flats 'a total loss'
The Hawkes Bay Herald-Tribune, 19 August 1974.

ModerateAugust 1974 Hawke's Bay Heavy Seas ( 1974-08-16 )

20 years

There was a coastal storm and heavy seas battering the East Coast. A Civil Defence Emergency was declared in Clive, Haumoana and Te Awanga in Hawke's Bay.

New Zealand

Maritime / CoastalMaritime / Coastal at New Zealand
Duration:   2  days - There was a coastal storm on the 16th and 17th of August with heavy seas battering the East Coast.
Comments:

Gisborne

Maritime / CoastalMaritime / Coastal at Wainui
Map Location: -38.68801 178.07312
Comments:

ImpactSix feet (1.83 m) of frontage was washed away from homes at Wainui on the 16th due to heavy seas.

Hawke's Bay

Maritime / CoastalMaritime / Coastal at Hawke's Bay
Comments:

Peak Water LevelObserved wave heights in Hawke's Bay were in the order of 4.5 m - 9.0 m.

Declared EmergencyA Civil Defence Emergency was declared for Clive, East Clive, Haumoana and Te Awanga at 1:30pm on the 17th until 9:00am on the 19th.

Evacuees30 homes were evacuated.

Impact200 homes along the coast were affected by the floods.

Maritime / CoastalMaritime / Coastal at Clive
Map Location: -39.586947 176.912721
Comments:

AreaSeawater flooded 300 hectares of horticultural and urban land.

ImpactSeawater formed a huge lake from the township of Clive to East Clive.

CommentIt was the first time in 20 years that the sea had advanced so far inland.

Physical CharacteristicSeawater pounded over the shingle bank and flowed onto paddocks. Seawater was two feet (0.61 m) deep in places.

ImpactThere was water in the shopping areas of Clive. Clive Hotel, the TAB, dairy and chemist were surrounded by water with water inside also.

Maritime / CoastalMaritime / Coastal at Haumoana
Map Location: -39.602913 176.946842
Comments:

CommentThere were abnormally high seas at Haumoana.

ImpactWater was smashing against homes.

ImpactThe top of the beach wall was removed by waves.

ImpactThe worst hit area was the Haumoana extension, a group of houses on the seafront between Haumoana and Te Awanga.

DamageDozens of gardens were carpeted with a layer of rocks, sand and gravel.

DamageOne house had two front rooms filled to the windowsill high with rocks and gravel.

EvacueesFour or five families were evacuated from Haumoana.

DamageOne house in the Haumoana extension had its garage smashed. The wash house disappeared into sea and the end of house crumbled.

Damage CostWaves smashed into windows of one sea front home. The waves threw furniture across the lounge and soaked carpets. The damage was estimated at over $1000 ($9500 2010 dollars).

DamageThere was beach erosion and damage to property.

ImpactThere were heaps of rocks and gravel, four feet (1.22 m) deep in places, extending right to front doors.

ImpactSeptic tanks were flooded.

ImpactTwo residents moved out of their homes for good.

DamageSeven flats were a total loss. There was two inches of water through the flats.

Impactlow-lying areas were flooded.

ImpactAs a result of heavy seas, three to five feet (0.91-1.52 m) of beach was lost.

Maritime / CoastalMaritime / Coastal at Napier
Map Location: -39.502426 176.892804
Comments:

ImpactMarine Parade was battered by heavy seas.

DamageThere was a broken window at the skating rink.

DamageShingle was dumped by waves into excavations of the new aquarium and there was some structural damage.

Maritime / CoastalMaritime / Coastal at Te Awanga
Map Location: -39.63397 176.98068
Comments:

EvacueesFive families evacuated from Te Awanga.

Affected LifelineThe road into Clifton Camp was washed away.

DamageThere was beach erosion and damage to property.

Canterbury

Maritime / CoastalMaritime / Coastal at Christchurch
Map Location: -43.53112 172.636147
Comments:

ImpactAt North Beach a seawall was flattened by heavy seas.

DamageFishing boats and small craft broke their moorings and were driven onto rocks around Purau in Lyttelton Harbour.

Otago

Maritime / CoastalMaritime / Coastal at Kakanui
Map Location: -45.179058 170.909659
Comments:

ImpactAt Kakanui farmland was flooded by heavy seas.

Maritime / CoastalMaritime / Coastal at Oamaru
Map Location: -45.087138 170.980874
Comments:

Affected LifelineThe coast road was undermined by the sea.

References

Johnston, D.D., and Pearse, L.J. 2007. Hazards in Hawke's Bay. Hawke's Bay Regional Council, Napier, New Zealand.
MCDEM, 2002
Reference: Hawkes Bay Regional Council, Regional Coastal Hazard Assessment: Volume 1, February 2004, p. 20.
Headline: A lake of seawater.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: East coast battered.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: Little damage at Napier.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: State of emergency evacuation.
The Hawkes Bay Herald-Tribune, 17 August 1974.
Headline: County warning: Clive flooding may cost season's crops.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: County warning: It might not yet be all over.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: Families are leaving for good.
The Hawkes Bay Herald-Tribune, 19 August 1974.
Headline: Seven flats 'a total loss'
The Hawkes Bay Herald-Tribune, 19 August 1974.