Harbour and Tidal

Paradise Beach, Charteris Bay Christchurch: Swimming and Water Quality

Last updated October 2026

Paradise Beach is the swimming beach at Charteris Bay, on the southern side of Lyttelton Harbour, about 14 kilometres from central Christchurch as the crow flies. LAWA lists it as the Charteris Bay Paradise swimming beach, and it is one of the few Lyttelton Harbour beaches with a long-term grade that is generally suitable for swimming.

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Environment Canterbury tests the water every week over summer and sends the results to LAWA. The site holds a Fair long-term grade, so it is usually fine for a swim but best avoided after rain. The Charteris Bay Yacht Club and Orton Bradley Park are nearby.

Practical Information

Location
Paradise Beach, Charteris Bay, southern side of Lyttelton Harbour, Banks Peninsula
Distance from Christchurch
About 14 km from the city centre in a straight line, across the harbour
Water
Sheltered harbour beach, tidal, with mudflats at low tide
Water quality
Fair (LAWA long-term grade, summers 2020/21 to 2024/25)
Testing
Weekly from November to March by Environment Canterbury
Nearest tide station
Lyttelton
Facilities nearby
Toilets and parking about 450 metres away (OpenStreetMap)

Swimming Facts

1Water testing spot
Testing spots: LAWA and Environment Canterbury.

Today at Paradise Beach

Sunday 15 November
Tide falling · 1.4 m now
6amnoon6pmLow 3:18am 0.8 mHigh 9:37am 2.2 mLow 3:54pm 0.8 mHigh 10:01pm 2.1 m
Sea
13.9°C
Cool, a wetsuit helps
UV
9 very high
Cover up 9:20am to 5:10pm
Sunset
8:34pm
Light till about 9:10pm
UV: worked out for a clear day from the height of the sun and typical ozone; cloud lowers it, but you can still burn.

Water quality track record

Stay out of the water for 48 hours after heavy rain.
1Charteris Bay Paradise swimming beachPoor
86% of 186 tests suitable for swimming, 2020 to 2026
Graded on the worst 1 in 20 tests: enterococci reached 641 per 100 mL (Poor is over 500). Most tests are fine, but it can be high after rain.
20/21
21/22
22/23
23/24
24/25
25/26
SuitableCautionUnsuitableEach bar is one summer of tests
What the grades mean

Excellent and Good: rarely unsafe for swimming. Fair: usually fine, but avoid swimming after rain. Poor: often unsuitable, especially after rain, so check the latest result first.

Grades use LAWA’s method: the 95th percentile of routine enterococci results over the five summers from 2021/22 to 2025/26, with at least 50 tests (641 per 100 mL from 74 tests).

About Charteris Bay and Paradise Beach

Charteris Bay is a small settlement on an inlet of Lyttelton Harbour, between Diamond Harbour to the east and Teddington to the west. Paradise Beach is on the eastern side of the inlet, towards Church Bay and Diamond Harbour.

Swimming and Water Quality at Paradise Beach

Environment Canterbury samples the water at Paradise Beach every week from November to March and publishes the results on LAWA. The site has a Fair LAWA long-term grade, based on 75 routine tests over the summers of 2020/21 to 2024/25.

Getting There and Facilities

Charteris Bay is on the southern side of Lyttelton Harbour, between Teddington and Diamond Harbour. Toilets and parking are mapped about 450 metres from the testing point at Paradise Beach.

A visit to the beach pairs well with Orton Bradley Park, or with the neighbouring settlements of Church Bay and Diamond Harbour.

From locals

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Questions about Paradise Beach, Charteris Bay 2

Is Paradise Beach tidal, and will I get mudflats at low tide?

ChchCity guide
Yes, it's a sheltered tidal harbour beach and mudflats are exposed at low tide. The nearest tide station is Lyttelton.

Is there much shade on the beach in the afternoon, or is it all full sun?

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Frequently Asked Questions

Can you swim at Paradise Beach in Charteris Bay?

Yes. LAWA lists it as the Charteris Bay Paradise swimming beach, and Environment Canterbury tests it weekly from November to March. It has a Fair grade, so avoid swimming for 48 hours after rain and check LAWA first.

What is the water quality like at Paradise Beach?

Paradise Beach has a Fair LAWA long-term grade, based on 75 routine tests over summers 2020/21 to 2024/25. Of 124 tests between November 2019 and April 2025, 93% were suitable for swimming.

Is Paradise Beach one of the better Lyttelton Harbour beaches for water quality?

Yes. In Environment Canterbury’s grading released in September 2025, it was one of three harbour sites rated Fair, the highest grade in the harbour.

When is the water tested?

Environment Canterbury samples the beach weekly from November to March, and the results are published on LAWA.

What else is there to do at Charteris Bay?

Sailing is popular, and the Charteris Bay Yacht Club calls itself the home of the Optimist, the dinghy first sailed in New Zealand from Charteris Bay. Orton Bradley Park is also at Charteris Bay.

Are there toilets near Paradise Beach?

Toilets and parking are mapped about 450 metres from the testing point at the beach.

Why does the water quality drop after rain?

Rain can wash bacteria into the harbour in runoff from the land and stormwater. Environment Canterbury advises waiting 48 hours after rain before swimming.

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Related links 3
  • LAWA and Environment Canterbury: the latest “Can I Swim Here?” result and long-term grade for Charteris Bay at Paradise Beach.
  • Environment Canterbury: how the regional council samples swimming sites from November to March and works out long-term grades.
  • LAWA: background on Lyttelton Harbour, its habitats and the pressures on its water quality.
Sources and data notes 2
  • Today at Paradise Beach: Tides: LINZ, CC BY 4.0; predictions only. Sea temperature: NASA JPL MUR satellite data for 13 Nov, via Tideteller.
  • Water quality track record: Water quality: © LAWA and partner organisations (Environment Canterbury), licensed under CC BY 4.0, results to March 2026; latest results on LAWA.