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<h1>Estimated Wave Arrival Times</h1>
<br>
<h3>Location Estimated Wave Arrival Time</h3>
<br>
Chatham Islands-Kaingaroa 0753NZDT 12 March 2011<br>
Chatham Islands-Waitangi 0753NZDT 12 March 2011<br>
North Cape 0623NZDT 12 March 2011<br>
Whangarei No information<br>
Auckland (West) 0723NZDT 12 March 2011<br>
Mt Maunganui No information<br>
East Cape 0723NZDT 12 March
2011<br>
Gisborne 0729NZDT 12 March
2011<br>
New Plymouth 0808NZDT 12 March 2011<br>
Napier 0817NZDT 12 March
2011<br>
Wanganui No information<br>
Wellington 0753NZDT 12 March
2011<br>
Nelson 1115NZDT 12 March
2011<br>
Marlborough Sounds No information<br>
Westport 0837NZDT 12 March 2011<br>
Greymouth No information<br>
Lyttelton 1003NZDT 12 March 2011<br>
Timaru No information<br>
Milford Sound 0747NZDT 12 March 2011<br>
Dunedin 0929NZDT 12 March 2011<br>
Bluff 1020NZDT 12 March
2011<br>
Stewart Island No information<br>
<br>
<br>
<h3>Estimated Wave Amplitudes</h3>
<br>
<br>
Ahipara to Bay of Islands 1 - 3 m<br>
Cape Brett to Mangawhai 0.2 - 1 m<br>
North East Auckland Coast 0.2 - 1 m<br>
Great Barrier Island 0.2 - 1 m<br>
Auckland East Coast 0.2 - 1 m<br>
Coromandel Peninsula / West Coast /Firth of Thames 0.2 - 1 m<br>
Coromandel Peninsula / East Coast 0.2 - 1 m<br>
Western Bay of Plenty Coast 0.2 - 1 m<br>
Eastern Bay of Plenty Coast 0.2 - 1 m<br>
Gisborne North Coast 0.2 - 1 m<br>
Gisborne South Coast 0.2 - 1 m<br>
Wairoa Coast < 0.2 m<br>
Napier/Hastings Coast < 0.2 m<br>
Central Hawke's Bay Coast < 0.2 m<br>
Masterton / Tararua Coast < 0.2 m<br>
Wairarapa South Coast < 0.2 m<br>
Wellington South Coast < 0.2 m<br>
Wellington West / Kapiti Coast < 0.2 m<br>
Horowhenua / Manawatu / Rangitikei Coast < 0.2 m<br>
South Taranaki / Wanganui Coast < 0.2 m<br>
New Plymouth Coast < 0.2 m<br>
Waikato West Coast South < 0.2 m<br>
Waikato West Coast North < 0.2 m<br>
Auckland Region West Coast < 0.2 m<br>
Pouto Point to Reef Point 0.2 - 1 m<br>
Marlborough East Coast < 0.2 m<br>
Kakioura Coast < 0.2 m<br>
Hurunui Coast < 0.2 m<br>
Christchurch North Coast < 0.2 m<br>
Banks Penisula < 0.2 m<br>
Mid to South Canterbury Coast < 0.2 m<br>
Waitaki Coast < 0.2 m<br>
Dunedin Coast < 0.2 m<br>
Clutha Coast < 0.2 m<br>
Southland Coast < 0.2 m<br>
Stewart Island < 0.2 m<br>
Fiordland Coast < 0.2 m<br>
Westland Coast < 0.2 m<br>
Greymouth Coast < 0.2 m<br>
Westport Coast < 0.2 m<br>
Kahurangi Coast < 0.2 m<br>
Marlborough Sounds / Tasman Bay < 0.2 m<br>
Chatham Islands 1 - 3 m<br>
<br>
<br>
<br>
<br>
On 12/03/2011 3:13 a.m., GaryNZ wrote:
<blockquote cite="mid:4D7A2E1E.5020408@xtra.co.nz" type="cite">
<meta http-equiv="content-type" content="text/html;
charset=ISO-8859-1">
Civil Defence says a tsunami is possible but it has issued a
marine threat advisory only - it does not expect a tsunami to
travel inland. Instead it is warning of strong and unusual
currents and advising people to stay off beaches and low-lying
coastal areas.<br>
<br>
<h4>Estimated wave arrival times:</h4>
<br>
6:23am North Cape - to coincide with low tide.<br>
7:23am East Cape and Auckland's west coast<br>
7.29am Gisborne<br>
7:45am Milford Sound<br>
7:53am Wellington<br>
8:05am Auckland's east coast.<br>
8:08am New Plymouth.<br>
8:17am Napier<br>
8.37am Westport<br>
9:29am Dunedin<br>
10:03am Lyttelton<br>
10:15am Nelson<br>
10:20am Bluff<br>
<br>
Times are estimates only as provided by local authorities. The
first wave may arrive up to an hour either side of the estimated
times and waves may continue for some hours.<br>
<br>
<h4>People in coastal areas are advised to:</h4>
Stay off beaches. <br>
Stay out of the water (sea, rivers and estuaries, including
boating activities). <br>
Do not go sightseeing. <br>
Share this information with family, neighbours and friends.<br>
Listen to the radio and/or TV for updates.<br>
Follow instructions of your local Civil Defence authorities.<br>
<br>
<h3>Local authorities have issued specific warnings and advice.</h3>
<br>
<h4>Northland</h4>
The marine threat means strong and unusual currents are possible
in the sea, river mouths and estuaries and all Northland coastal
residents are being warned to stay off beaches.<br>
At 2am Civil Defence said that a minor land threat (1-3 metre wave
heights) now exists in Northland between Ahipara and the Karikari
Peninsula as well as in the Bay of Islands and the Chatham
Islands.<br>
"We are asking all coastal residents and visitors to stay off the
beaches, out of the water and not to go sightseeing along our
coast," says Tony Phipps, Group Controller Northland CDEM Group.<br>
Northlanders are being asked to share this information with
family, neighbours and friends and to listen to the radio and/or
TV for updates.<br>
The first waves are estimated to coincide with low tide on the
east coast (0625 at Marsden Point).<br>
Low tide on the west coast - at Pouto Point - is 0823.<br>
Tsunami activity, such as unusual currents and changes in
sea-level, will continue for several hours.<br>
<br>
<h4>Auckland</h4>
No evacuations are required.<br>
The Harbourmaster has advised that ships do NOT need to leave port
but all mariners are advised to navigate with caution and have a
listening watch on VHF channel 16.<br>
Mariners on board their vessels should check its security on
Saturday morning.<br>
Any beach activities or events planned for Saturday should be
postponed<br>
The Waiheke Coastal Classic Fun Run and Walk has been postponed
until Sunday.<br>
Auckland Civil Defence has issued a tsunami warning for the
region's coastlines of a tsunami of up to 1m including strong
currents and disturbed seas and estuaries.<br>
<br>
<h4>Tauranga and BOP</h4>
There is now a minor land threat (i.e. 1-3m wave heights) existing
in Northland between Ahipara and the Karikari Peninsula as well as
in the Bay of Islands and the Chatham Islands.<br>
A marine threat (ie threat to beach, sea and in estuarine areas)
remains in place for the Bay of Plenty.<br>
The main message for the public right now is to stay away from the
beaches and waterways - this includes all boating activity.<br>
<br>
<h4>Hawke's Bay</h4>
The tsunami is not expected to cause any significant waves along
Hawkes Bay coastline, as it is on the lee side of New Zealand and
sheltered from waves generated from near Japan. |<br>
Our estimate is for a possible wave run-up of up to 0.5 metres.<br>
<br>
<h4>Bay of Plenty</h4>
The Whakatane River Bar has been declared unworkable.<br>
<br>
<h4>Dunedin</h4>
The tsunami is not expected to cause damage to Dunedin.<br>
As the wave is propagating from the north-west of New Zealand, the
Dunedin coast should be protected from severe effects.<br>
Residents should, however, exercise caution on beaches and
estuaries from 08:30am on Saturday, as unusual tidal effects could
be experienced.<br>
<br>
<h4>Southland, Fjordland</h4>
Ships and small craft in Southland and Fiordland waters are being
warned of the tsunammi threat.<br>
There are likely to be strong and unusual currents around the
coast, including estuaries and the tidal reaches of rivers.<br>
There may be unusual wave activity at beaches and members of the
public are urged to stay away from beaches around Southland and
Fiordland.<br>
Disturbed currents could last for up to 24 hours.
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