Temperature:

Your Favorite Locations:

Your favorites list is empty.

Hahei – current water temperature and swimming conditions

This page shows the current water temperature at Hahei in Waikato 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.

Hahei
Hahei © By LiCheng Shih, CC BY 2.0

Current Sea Water Temperature

20.6°C
Today
20.7°C
Yesterday
20.7°C
A Week Ago

The average sea water temperature today in Hahei is about 21°C.

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

✅ This water feels mild to warm and is comfortable for the majority of swimmers. Swimming is enjoyable, though longer stays may feel cooler for some people, especially in windy conditions. These temperatures are well suited to family outings and active swimming, particularly on warm days.

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 Hahei 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 Hahei will be 17.4°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 2220.8°C19.5°C
Mar 2320.7°C20.3°C
Mar 2420.7°C20.0°C
Mar 2520.7°C20.3°C
Mar 2620.8°C20.3°C
Mar 2720.8°C20.3°C
Mar 2820.7°C19.5°C
Mar 2920.7°C19.5°C
Mar 3020.6°C19.5°C20.6°C
Mar 3120.0°C20.1°C
Apr 119.0°C19.7°C
Apr 219.0°C19.2°C
Apr 319.0°C18.8°C
Apr 417.0°C18.3°C
Apr 516.0°C17.8°C
Apr 617.0°C17.4°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 Hahei 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

Hahei is a well-known beachside settlement on the eastern coast of the Coromandel Peninsula in the Waikato Region, facing the Pacific Ocean. The beach curves around a sheltered bay, with offshore islands helping to reduce the impact of larger swells. In summer, particularly from January through March, water temperatures generally range between 19 and 22°C. Most locals find this comfortable for swimming, especially on warm, settled days when the shallower inshore water can warm slightly more. During autumn, temperatures ease back to around 17 to 20°C. Winter brings cooler readings, typically between 14 and 16°C, while spring sees a gradual rise from roughly 15 up to 18°C as the weather improves. Wind direction and swell can cause short-term surface changes.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January18°C21°C24°C
February19°C22°C24°C
March18°C21°C23°C
April17°C20°C22°C
May15°C18°C20°C
June14°C16°C18°C
July13°C15°C17°C
August12°C15°C17°C
September12°C15°C17°C
October13°C16°C18°C
November15°C18°C20°C
December17°C20°C22°C

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

Hahei: Weather Forecast

March 30

16°C / 21°C
scattered clouds: 25-50%
humidity: 85% | wind: 14 kmh

March 31

15°C / 20°C
light rain
humidity: 80% | wind: 14 kmh

April 1

14°C / 18°C
broken clouds: 51-84%
humidity: 79% | wind: 7 kmh

April 2

12°C / 18°C
few clouds: 11-25%
humidity: 80% | wind: 4 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Hahei Beach

⭐ 4.8/5
20.0°C

Cathedral Cove

⭐ 3.7/5
20.7°C

Stingray Bay

⭐ 2.8/5
20.7°C

Smiling Sphinx Rock

⭐ 3.7/5
19.7°C

Te Hoho Rock

⭐ 2.9/5
21.3°C

Purangi Regional Reserve

⭐ 2.9/5
19.8°C

Cooks Beach

⭐ 3.6/5
19.9°C

Hot Water Beach

⭐ 5.0/5
21.1°C

Swimming Conditions

Swimming is allowed at Hahei Beach, and it is one of the more family-friendly spots along this part of the coast. The sandy shoreline slopes gently, and surf is usually light to moderate due to the bay’s sheltered position. Rip currents are less common than on fully exposed beaches, although they can still develop under certain conditions. During peak summer periods, lifeguard patrols are often present. In favourable weather, Hahei offers pleasant and generally safe swimming opportunities, provided normal care is taken and local conditions are checked.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Hot Water Beach

⭐ 3/5
20.2°C
5 km away 📍 Beach and point

Whitianga

⭐ 3/5
20.1°C

Sailors Grave

⭐ 2/5
20.2°C
14 km away 📍 Beach and reef

Kuoatunu Reef

⭐ 3/5
21.4°C
15 km away 📍 Beach and reef

Kuaotunu

⭐ 3/5
21.2°C

Otama

⭐ 2/5
20.2°C

Matarangi

⭐ 2/5
20.1°C

Tairua Beach

⭐ 4/5
22.2°C

Tairua Bar

⭐ 4/5
20.4°C
20 km away 📍 Beach/bar

Frequently Asked Questions

What is the sea water temperature in Hahei today?
Sea water temperature in Hahei in the Pacific Ocean today is 21°C.
What is the water temperature in Hahei during summer?
During summer, the water temperature in Hahei typically ranges from 17°C to 24°C.
What is the water temperature in Hahei during autumn?
During autumn, the water temperature in Hahei typically ranges from 15°C to 23°C.
What is the water temperature in Hahei during spring?
During spring, the water temperature in Hahei typically ranges from 12°C to 20°C.
What is the water temperature in Hahei during winter?
During winter, the water temperature in Hahei typically ranges from 12°C to 18°C.
Which beaches are popular in the Hahei area?
Some of the most popular beaches in the Hahei area include: Hahei Beach, Stingray Bay, Cathedral Cove, Te Hoho Rock, Smiling Sphinx Rock.
What are the nearest surf spots to Hahei?
Some of the closest surf spots near Hahei include: Hot Water Beach, Whitianga, Sailors Grave, Kuoatunu Reef, Otama.