| 15°C | Kawhia
Sea temperature in KawhiaAverage water temperature: 16.2°C |
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| 16°C | Kerikeri
Sea temperature in KerikeriAverage water temperature: 17.6°C |
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| 11°C | Lyttelton
Sea temperature in LytteltonAverage water temperature: 8.1°C |
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| 16°C | Mangonui
Sea temperature in MangonuiAverage water temperature: 18.2°C |
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| 13°C | Marlborough S.
Sea temperature in Marlborough S.Average water temperature: 14.2°C |
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| 14°C | Maui Platf.
Sea temperature in Maui Platf.Average water temperature: 15.4°C |
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| 14°C | Milford Sound
Sea temperature in Milford SoundAverage water temperature: 13.9°C |
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| 9°C | Milton
Sea temperature in MiltonAverage water temperature: 9°C |
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| 13°C | Motueka
Sea temperature in MotuekaAverage water temperature: 14.4°C |
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| 14°C | Napier
Sea temperature in NapierAverage water temperature: 12.2°C |
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| 13°C | Nelson
Sea temperature in NelsonAverage water temperature: 14.5°C |
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| 14°C | New Plymouth
Sea temperature in New PlymouthAverage water temperature: 15.8°C |
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| 27°C | Niue Island
Sea temperature in Niue IslandAverage water temperature: 26.3°C |
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| 16°C | North Cape
Sea temperature in North CapeAverage water temperature: 18.1°C |
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| 15°C | Opononi
Sea temperature in OpononiAverage water temperature: 17.1°C |
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| 15°C | Opotiki
Sea temperature in OpotikiAverage water temperature: 17.1°C |
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| 14°C | Opunake
Sea temperature in OpunakeAverage water temperature: 15.3°C |
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| 15°C | Orewa
Sea temperature in OrewaAverage water temperature: 16°C |
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| 15°C | Paeroa
Sea temperature in PaeroaAverage water temperature: 17.1°C |
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| 16°C | Paihia
Sea temperature in PaihiaAverage water temperature: 17.5°C |
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| 9°C | Palmerston
Sea temperature in PalmerstonAverage water temperature: 8.2°C |
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| 13°C | Paraparaumu
Sea temperature in ParaparaumuAverage water temperature: 13.8°C |
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| 10°C | Pegasus Bay
Sea temperature in Pegasus BayAverage water temperature: 9.6°C |
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| 12°C | Picton
Sea temperature in PictonAverage water temperature: 10.2°C |
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| 14°C | Punakaiki
Sea temperature in PunakaikiAverage water temperature: 14.6°C |
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| 13°C | Puysegur Pt
Sea temperature in Puysegur PtAverage water temperature: 12.3°C |
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| 10°C | Ranfurly
Sea temperature in RanfurlyAverage water temperature: 8.8°C |
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| 11°C | Rangiora
Sea temperature in RangioraAverage water temperature: 7.9°C |
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| 19°C | Raoul Isl
Sea temperature in Raoul IslAverage water temperature: 20.6°C |
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| 12°C | Renwick
Sea temperature in RenwickAverage water temperature: 10.2°C |
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| 16°C | Russell
Sea temperature in RussellAverage water temperature: 17.1°C |
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| 13°C | Secretary Isl.
Sea temperature in Secretary Isl.Average water temperature: 13.2°C |
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| 12°C | SW Cape
Sea temperature in SW CapeAverage water temperature: 11.4°C |
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| 13°C | Takaka
Sea temperature in TakakaAverage water temperature: 14.3°C |
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| 13°C | Tasman Bay
Sea temperature in Tasman BayAverage water temperature: 15.1°C |
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| 15°C | Tauranga
Sea temperature in TaurangaAverage water temperature: 16.9°C |
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| 16°C | Te Kao
Sea temperature in Te KaoAverage water temperature: 18.1°C |
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| 10°C | Temuka
Sea temperature in TemukaAverage water temperature: 9.4°C |
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| 10°C | Timaru
Sea temperature in TimaruAverage water temperature: 9.3°C |
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| 15°C | Tolaga Bay
Sea temperature in Tolaga BayAverage water temperature: 13.6°C |
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| 12°C | Upper Hutt
Sea temperature in Upper HuttAverage water temperature: 11.9°C |
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| 15°C | Waiheke Isl.
Sea temperature in Waiheke Isl.Average water temperature: 16.4°C |
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| 15°C | Waihi
Sea temperature in WaihiAverage water temperature: 16.9°C |
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| 10°C | Waipara
Sea temperature in WaiparaAverage water temperature: 8.8°C |
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| 14°C | Wairoa
Sea temperature in WairoaAverage water temperature: 12.3°C |
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| 14°C | Wanganui
Sea temperature in WanganuiAverage water temperature: 13.7°C |
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| 15°C | Warkworth
Sea temperature in WarkworthAverage water temperature: 15.9°C |
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| 12°C | Wellington
Sea temperature in WellingtonAverage water temperature: 12.6°C |
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| 15°C | Wellsford
Sea temperature in WellsfordAverage water temperature: 15.8°C |
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| 14°C | Westport
Sea temperature in WestportAverage water temperature: 14.8°C |
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| 15°C | Whitianga
Sea temperature in WhitiangaAverage water temperature: 17.1°C |
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