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.
Current Sea Water Temperature
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
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 22 | 20.7°C | 20.3°C | |
| Mar 23 | 20.6°C | 20.5°C | |
| Mar 24 | 20.6°C | 20.3°C | |
| Mar 25 | 20.7°C | 20.3°C | |
| Mar 26 | 20.8°C | 20.5°C | |
| Mar 27 | 20.8°C | 20.3°C | |
| Mar 28 | 20.7°C | 20.5°C | |
| Mar 29 | 20.7°C | 20.8°C | |
| Mar 30 | 20.6°C | 20.8°C | 20.6°C |
| Mar 31 | 20.3°C | 20.3°C | |
| Apr 1 | 21.0°C | 20.0°C | |
| Apr 2 | 18.8°C | 19.7°C | |
| Apr 3 | 19.0°C | 19.4°C | |
| Apr 4 | 16.8°C | 19.1°C | |
| Apr 5 | 17.5°C | 18.7°C | |
| Apr 6 | 17.3°C | 18.4°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
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 |
|---|---|---|---|
| January | 18°C | 20°C | 24°C |
| February | 19°C | 22°C | 24°C |
| March | 18°C | 21°C | 23°C |
| April | 17°C | 19°C | 22°C |
| May | 16°C | 18°C | 21°C |
| June | 14°C | 16°C | 18°C |
| July | 13°C | 15°C | 17°C |
| August | 13°C | 15°C | 16°C |
| September | 13°C | 14°C | 17°C |
| October | 13°C | 15°C | 17°C |
| November | 15°C | 17°C | 20°C |
| December | 16°C | 19°C | 22°C |
* Click on a month to view detailed water temperature data.
Ōtama Beach: Weather Forecast
March 30
March 31
April 1
April 2
Local Water Conditions and Nearby Spots
Nearby Beaches and Water Temperatures
Otama Beach
Kuaotunu Beach
Opito Bay Beach
Opito Bay Beach
Jnan's Rock
Waitaia Bay
Rings Beach
Whauwhau Beach
Matarangi Beach
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
Otama
Kuaotunu
Matarangi
Whangapoua
Whitianga
New Chums
Hot Water Beach
Waikawau Bay
Location, Type and Nearby Places
Address: 7PRW+MQ Kūaotunu, New Zealand
Water Temperature in Nearby Places
