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Waitaia Bay – current water temperature and swimming conditions

This page shows the current water temperature at Waitaia Bay 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.

Waitaia Bay
Waitaia Bay © Sam Oxford

Current Sea Water Temperature

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

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

Water Temperature in Waitaia Bay: 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 Waitaia Bayfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Waitaia Bay will be 18.4°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 2220.7°C20.3°C
Mar 2320.6°C20.5°C
Mar 2420.6°C20.3°C
Mar 2520.7°C20.3°C
Mar 2620.8°C20.5°C
Mar 2720.8°C20.3°C
Mar 2820.7°C20.5°C
Mar 2920.7°C20.8°C
Mar 3020.6°C20.8°C20.6°C
Mar 3120.3°C20.3°C
Apr 121.0°C20.0°C
Apr 218.8°C19.7°C
Apr 319.0°C19.4°C
Apr 416.8°C19.1°C
Apr 517.5°C18.7°C
Apr 617.3°C18.4°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 Waitaia Bay 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

Waitaia Bay is a small and relatively secluded beach on the eastern side of the Coromandel Peninsula in the Waikato Region, facing the Pacific Ocean. The bay is partly enclosed by headlands, which can provide some shelter from larger swells and help maintain calmer conditions at times. In summer, particularly from January through March, water temperatures generally range between 19 and 22°C. Most locals find this comfortable for swimming on warm, settled days, although the open ocean influence can still make the water feel fresh. During autumn, temperatures ease back to around 17 to 20°C. Winter brings cooler conditions, typically between 14 and 16°C, while spring sees a gradual rise from roughly 15 up to 18°C as the season progresses. Wind and swell can cause short-term surface changes.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January18°C20°C24°C
February19°C22°C24°C
March18°C21°C23°C
April17°C19°C22°C
May16°C18°C21°C
June14°C16°C18°C
July13°C15°C17°C
August13°C15°C16°C
September13°C14°C17°C
October13°C15°C17°C
November15°C17°C20°C
December16°C19°C22°C

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

Waitaia Bay: 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

Waitaia Bay

⭐ 3.5/5
19.7°C

Whauwhau Beach

⭐ 3.5/5
19.6°C

Kuaotunu Beach

⭐ 5.0/5
21.1°C

Otama Beach

⭐ 3.9/5
21.1°C

Opito Bay Beach

⭐ 4.6/5
20.7°C

Wharekaho/Simpsons Beach

⭐ 4.1/5
19.9°C

Opito Bay Beach

⭐ 3.1/5
19.6°C

Rings Beach

⭐ 3.9/5
20.0°C

Ohuka Beach

⭐ 2.6/5
21.4°C

Swimming Conditions

Swimming is allowed at Waitaia Bay, and the gently sloping shoreline makes entry fairly straightforward, especially at mid to high tide. Surf is often light to moderate due to the semi-sheltered setting, but occasional stronger waves can occur when ocean swells increase. There are no regular lifeguard patrols, so swimmers should assess conditions carefully before entering the water. In settled summer weather, Waitaia Bay offers calm and scenic swimming opportunities, provided normal care is taken and the sea state is suitable.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Kuoatunu Reef

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

Kuaotunu

⭐ 3/5
20.2°C

Otama

⭐ 2/5
21.2°C

Whitianga

⭐ 3/5
19.8°C

Matarangi

⭐ 2/5
21.2°C

Whangapoua

⭐ 3/5
20.4°C

New Chums

⭐ 2/5
21.7°C

Hot Water Beach

⭐ 3/5
21.7°C
15 km away 📍 Beach and point

Sailors Grave

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

Frequently Asked Questions

What is the sea water temperature in Waitaia Bay today?
Sea water temperature in Waitaia Bay in the Pacific Ocean today is 21°C.
What is the water temperature in Waitaia Bay during summer?
During summer, the water temperature in Waitaia Bay typically ranges from 16°C to 24°C.
What is the water temperature in Waitaia Bay during autumn?
During autumn, the water temperature in Waitaia Bay typically ranges from 16°C to 23°C.
What is the water temperature in Waitaia Bay during spring?
During spring, the water temperature in Waitaia Bay typically ranges from 13°C to 20°C.
What is the water temperature in Waitaia Bay during winter?
During winter, the water temperature in Waitaia Bay typically ranges from 13°C to 18°C.
Which beaches are popular in the Waitaia Bay area?
Some of the most popular beaches in the Waitaia Bay area include: Waitaia Bay, Whauwhau Beach, Kuaotunu Beach, Opito Bay Beach, Opito Bay Beach.
What are the nearest surf spots to Waitaia Bay?
Some of the closest surf spots near Waitaia Bay include: Kuoatunu Reef, Kuaotunu, Otama, Whitianga, Matarangi.