What is the Ocean Viewing Index (OVI) for Sumner Beach?

OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

When is the best time to visit Sumner Beach for sea views?

Start with the current and 7-day OVI forecast for Sumner Beach, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.

Should I use tide times or OVI for a visit to Sumner Beach?

Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Sumner Beach Tides & Ocean Viewing Index

Canterbury, New ZealandPacific/Auckland

Ocean View Index

93Excellent

Next tide

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Sunrise / Sunset

17:23 – 07:03

Local time

12:10

Sumner Beach in Christchurch sits along the Canterbury coast, framed by dramatic volcanic cliffs and rolling surf.

Ocean Viewing Index

Updated · Oct 24, 2026 23:10

Reference time: local noon · 13:13 (Pacific/Auckland)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
82.3
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
100
Lighting
Golden hour, optimal · lux
99.2
Water Quality
index
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Weather Forecast

7-day marine weather forecast from Open-Meteo model.

TodayOct 24

Clear

28°12°

3.9 m/s

SunOct 25

Overcast

24°14°

3.2 m/s

MonOct 26

Light Rain

23°10°

5.4 m/s

1.9mm

TueOct 27

Overcast

17°6°

2.5 m/s

WedOct 28

Light Rain

19°13°

5.0 m/s

0.2mm

ThuOct 29

Light Rain

17°7°

1.9 m/s

6.3mm

FriOct 30

Light Rain

14°9°

2.2 m/s

1.5mm

Visibility: 51 km·Cloud: 5%

48-Hour Hourly Forecast

Hour-by-hour marine weather for the next 48 hours.

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7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

Best today: Viewing conditions are Excellent; aim for the golden hour just after sunrise or before sunset. Great for snorkeling and photography.

High & Low Tides Today

Times and heights of today's high and low water.

Spring TideCoefficient: 97.6 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
No tide extremes recorded today.

Fishing & Surf Forecast

Solunar feeding times and today's surf rating.

80Excellent8Very PoorView full forecast

48-Hour OVI Trend

Hour-by-hour ocean viewing outlook for the next 48 hours, dampened by rainfall.

Today's Tide Summary

A quick look at the day's high and low water.

Best Months to Visit

Average Ocean Viewing Index by month over the past year.

Jan

Feb

Mar

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May

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Jul

Aug

Sep

Oct

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Dec

Based on historical climatology (Pitarch 2021)

Nearby Beaches

Other beaches closest to Sumner Beach.

304 km away

Oriental Bay

Wellington, New Zealand

316 km away

St Clair Beach

Otago, New Zealand

364 km away

Lake Wakatipu

Otago, New Zealand

570 km away

Marine Parade

Hawke's Bay, New Zealand

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Sumner Beach?: OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.
When is the best time to visit Sumner Beach for sea views?: Start with the current and 7-day OVI forecast for Sumner Beach, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.
Should I use tide times or OVI for a visit to Sumner Beach?: Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Essential Information

Coordinates: -43.5736°, 172.7583°
Timezone: Pacific/Auckland
Region & Country: Canterbury, New Zealand

Data sources

Tides: UHSLC / FES2022b · Weather: NOAA GFS · Sea color: NASA MODIS/VIIRS