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Kaiteriteri – current water temperature and swimming conditions

This page shows the current water temperature at Kaiteriteri in Tasman Region. You can view recent sea temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. The page also includes a 7-day water temperature forecast, nearby beaches with similar conditions, local weather information, and a summary of swimming conditions to help you assess how suitable the water is for swimming.

Kaiteriteri
Kaiteriteri © By Oren Rozen, CC BY-SA 3.0

Current Sea Water Temperature

18.7°C
Today
18.7°C
Yesterday
19.0°C
A Week Ago

The average sea water temperature today in Kaiteriteri is about 19°C.

Water Temperature in Kaiteriteri: Daily Trends, Historical Records, and Forecast

⚠️ Water in this range feels cool but still manageable for many swimmers. Short to moderate swims are comfortable, especially in warm weather. Some people may prefer a wetsuit for longer stays, particularly when swimming actively or outside peak summer conditions.

It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.

Water Temperature Over the Last 30 Days

From February 27 to March 29

Water temperatures in Kaiteriteri have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Kaiteriteri will be 15.2°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

Date Current Average Forecast
Mar 2219.0°C16.8°C
Mar 2318.9°C16.5°C
Mar 2419.0°C16.3°C
Mar 2519.0°C16.5°C
Mar 2619.1°C16.8°C
Mar 2719.0°C16.3°C
Mar 2819.0°C16.5°C
Mar 2918.7°C16.8°C
Mar 3018.7°C16.8°C18.7°C
Mar 3115.5°C18.2°C
Apr 115.3°C17.7°C
Apr 214.8°C17.2°C
Apr 314.0°C16.7°C
Apr 413.8°C16.2°C
Apr 513.8°C15.7°C
Apr 613.8°C15.2°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual near-shore water temperatures in Kaiteriteri can vary by several degrees from the values shown, particularly after heavy rain, strong southerlies, or prolonged windy conditions. Certain wind patterns can trigger upwelling, where cooler, deeper water is pushed to the surface and replaces the warmer top layer, leading to noticeable short-term changes in water temperature.

Our water temperature forecast is produced using a proprietary mathematical model that combines real-time measurements with long-term historical patterns, local weather conditions, wind strength and direction, and air temperature specific to each coastal region. To improve accuracy, we cross-check data from nearby locations and use multiple sources, including offshore buoys, satellite-based sea surface maps, and observations provided by local authorities.

Annual Water Temperature Overview by Month

Monthly Water Temp Ranges

30°C
25°C
20°C
15°C
10°c
5°C
0°C

Annual Water Temperature Trend

Kaiteriteri is a well-known beach destination in the Tasman Region, set on the edge of Tasman Bay and influenced by the wider waters connected to Cook Strait. Thanks to its sheltered position and northern location, sea temperatures here are among the warmest in the South Island. In winter, from June to August, the water typically ranges between 11–14°C, which feels cool but manageable for short swims or with a wetsuit. Through spring, temperatures gradually lift to around 13–16°C. Summer, from December to March, brings the warmest conditions, with sea temperatures commonly sitting between 18–22°C during settled, sunny spells. Early autumn can still see 17–19°C before cooling again as winter approaches.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January14°C16°C19°C
February14°C17°C19°C
March14°C16°C19°C
April12°C15°C17°C
May11°C14°C17°C
June10°C13°C16°C
July10°C12°C15°C
August9°C12°C14°C
September10°C12°C14°C
October10°C13°C15°C
November11°C14°C16°C
December13°C15°C18°C

* Click on a month to view detailed water temperature data.

Kaiteriteri: Weather Forecast

March 30

11°C / 24°C
overcast clouds: 85-100%
humidity: 86% | wind: 4 kmh

March 31

8°C / 12°C
overcast clouds: 85-100%
humidity: 76% | wind: 7 kmh

April 1

8°C / 16°C
clear sky
humidity: 71% | wind: 4 kmh

April 2

11°C / 22°C
clear sky
humidity: 75% | wind: 7 kmh

Local Water Conditions and Nearby Spots

Swimming Conditions

Swimming is allowed at Kaiteriteri Beach and it’s one of the most popular spots in the region during the warmer months. The beach is sandy and gently sloping, and the bay is relatively sheltered, which often means calm conditions with minimal surf. In peak summer there are usually lifeguard patrols, and swimming between the flags is recommended when available. On fine summer days, the water can feel pleasantly warm and suitable for families, casual swimmers and longer swims. Outside the warmer season, thermal gear may be preferred for comfort, but the water here generally remains milder than many other South Island beaches.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Ruby Bay

⭐ 2/5
19.9°C

Rabbit Island

⭐ 2/5
18.2°C

Pohara Beach

⭐ 1/5
19.4°C

Tata Beach

⭐ 1/5
19.2°C

Tahunanui Beach

⭐ 1/5
17.9°C

Tahunanui bar

⭐ 3/5
18.0°C

Schnappers Point

⭐ 4/5
19.9°C

Outer Cut

⭐ 4/5
19.3°C

Inner Cut

⭐ 4/5
18.0°C

Frequently Asked Questions

What is the sea water temperature in Kaiteriteri today?
Sea water temperature in Kaiteriteri in the Cook Strait today is 19°C.
What is the water temperature in Kaiteriteri during summer?
During summer, the water temperature in Kaiteriteri typically ranges from 13°C to 19°C.
What is the water temperature in Kaiteriteri during autumn?
During autumn, the water temperature in Kaiteriteri typically ranges from 11°C to 19°C.
What is the water temperature in Kaiteriteri during spring?
During spring, the water temperature in Kaiteriteri typically ranges from 10°C to 16°C.
What is the water temperature in Kaiteriteri during winter?
During winter, the water temperature in Kaiteriteri typically ranges from 9°C to 16°C.
Which beaches are popular in the Kaiteriteri area?
Some of the most popular beaches in the Kaiteriteri area include: .
What are the nearest surf spots to Kaiteriteri?
Some of the closest surf spots near Kaiteriteri include: Ruby Bay, Pohara Beach, Rabbit Island, Tata Beach, Tahunanui bar.