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Ōtama Beach – current water temperature and swimming conditions

This page shows the current water temperature at Ōtama Beach 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.

Ōtama Beach
Ōtama Beach © Mathias König

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 Ōtama Beach is about 21°C.

Water Temperature in Ōtama Beach: 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 Ōtama Beachfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Ōtama Beach 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 Ōtama Beach 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

Ōtama Beach is a long, sweeping stretch of sand on the northeastern side of the Coromandel Peninsula in the Waikato Region, facing the Pacific Ocean. Although it is open to ocean swells, offshore islands provide some natural shelter, which can help moderate 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, even though the first dip can still feel fresh. 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 season progresses. Wind direction and swell can influence short-term surface temperatures.

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.

Ōtama Beach: 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

Otama Beach

⭐ 3.9/5
21.5°C

Kuaotunu Beach

⭐ 5.0/5
21.4°C

Opito Bay Beach

⭐ 3.1/5
21.3°C

Opito Bay Beach

⭐ 4.6/5
21.0°C

Jnan's Rock

⭐ 3.5/5
21.1°C

Waitaia Bay

⭐ 3.5/5
20.5°C

Rings Beach

⭐ 3.9/5
20.3°C

Whauwhau Beach

⭐ 3.5/5
21.8°C

Matarangi Beach

⭐ 5.0/5
21.3°C

Swimming Conditions

Swimming is allowed at Ōtama Beach, and it is popular with holidaymakers seeking a more natural and less developed setting. The gently sloping sandy shoreline makes entry relatively straightforward, but moderate surf and occasional rip currents can occur, particularly during larger swells. There are no regular lifeguard patrols, so swimmers need to assess conditions carefully. In favourable summer weather, Ōtama offers enjoyable and generally safe swimming opportunities, provided normal care is taken and the sea state is suitable.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Kuoatunu Reef

⭐ 3/5
19.6°C
2 km away 📍 Beach and reef

Otama

⭐ 2/5
20.6°C

Kuaotunu

⭐ 3/5
21.5°C

Matarangi

⭐ 2/5
20.8°C

Whangapoua

⭐ 3/5
20.6°C

Whitianga

⭐ 3/5
21.5°C

New Chums

⭐ 2/5
20.5°C

Hot Water Beach

⭐ 3/5
20.6°C
21 km away 📍 Beach and point

Waikawau Bay

⭐ 3/5
19.4°C

Location, Type and Nearby Places

Address: 7PRW+MQ Kūaotunu, New Zealand

Place Tags:BeachSurf Spot

Water Temperature in Nearby Places

Frequently Asked Questions

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