Mount Maunganui – current water temperature and swimming conditions
This page shows the current water temperature at Mount Maunganui in Bay of Plenty 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 Mount Maunganui is about 21°C.
Water Temperature in Mount Maunganui: 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 Mount Maunganui 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 Mount Maunganui 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 | 21.0°C | 20.3°C | |
| Mar 23 | 21.0°C | 20.8°C | |
| Mar 24 | 21.0°C | 20.5°C | |
| Mar 25 | 21.0°C | 20.3°C | |
| Mar 26 | 20.9°C | 20.8°C | |
| Mar 27 | 20.9°C | 20.3°C | |
| Mar 28 | 20.9°C | 20.5°C | |
| Mar 29 | 20.8°C | 20.5°C | |
| Mar 30 | 20.5°C | 20.5°C | 20.5°C |
| Mar 31 | 20.8°C | 20.2°C | |
| Apr 1 | 20.3°C | 19.9°C | |
| Apr 2 | 19.0°C | 19.6°C | |
| Apr 3 | 18.8°C | 19.3°C | |
| Apr 4 | 17.3°C | 19.0°C | |
| Apr 5 | 17.5°C | 18.7°C | |
| Apr 6 | 17.8°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 Mount Maunganui 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
Mount Maunganui, at the entrance to Tauranga Harbour in the Bay of Plenty, is one of the best-known beach spots in Aotearoa. Facing the Pacific Ocean, it enjoys relatively mild sea temperatures compared with much of the country. Through the peak of summer, from January to March, water temperatures typically range between 19–22°C. At this time of year, most people are comfortable swimming without a wetsuit, especially on calm, sunny days. In spring and autumn, the ocean usually sits around 16–19°C, still swimmable for many, though it can feel cool at first. During winter, temperatures often fall to about 13–15°C, making the water brisk and more suited to surfers or confident cold-water swimmers.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 18°C | 21°C | 24°C |
| February | 19°C | 21°C | 24°C |
| March | 18°C | 21°C | 23°C |
| April | 18°C | 20°C | 22°C |
| May | 15°C | 18°C | 20°C |
| June | 14°C | 17°C | 18°C |
| July | 13°C | 15°C | 17°C |
| August | 12°C | 15°C | 16°C |
| September | 13°C | 15°C | 17°C |
| October | 12°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.
Mount Maunganui: Weather Forecast
March 30
March 31
April 1
April 2
Local Water Conditions and Nearby Spots
Swimming Conditions
Swimming is allowed and extremely popular along the main beach, which is patrolled by lifeguards during the busy summer season. However, as an exposed surf beach, conditions can vary with swell, wind and tide, and rips may form at times. On settled days, the combination of moderate sea temperatures and clean, sandy shoreline makes Mount Maunganui a favourite for families, bodyboarders and swimmers alike. As always in New Zealand, it’s wise to swim between the flags and check conditions before heading into the water.
🏄♀️ Nearby Surf Spots and Water Temperatures
Arataki
Tay street
Blowhole
Mount Maunganui
Papamoa Beach Park
Matakana Island
Motiti Island Right
Motiti Island - Ernies
Motiti Island - Kaiwakawaka ree
Location, Type and Nearby Places
Address: Tauranga City Council
Place Tags:BeachSurf SpotCoastal Town
Water Temperature in Nearby Places
