Waihi Beach – current water temperature and swimming conditions
This page shows the current water temperature at Waihi Beach 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 Waihi Beach is about 21°C.
Water Temperature in Waihi 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 Waihi Beach 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 Waihi Beach will be 18.3°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 | 21.0°C | |
| Mar 23 | 20.9°C | 20.5°C | |
| Mar 24 | 21.0°C | 20.5°C | |
| Mar 25 | 21.0°C | 20.5°C | |
| Mar 26 | 20.9°C | 20.8°C | |
| Mar 27 | 20.8°C | 20.5°C | |
| Mar 28 | 20.8°C | 20.3°C | |
| Mar 29 | 20.7°C | 20.5°C | |
| Mar 30 | 20.6°C | 20.5°C | 20.6°C |
| Mar 31 | 20.5°C | 20.3°C | |
| Apr 1 | 20.3°C | 19.9°C | |
| Apr 2 | 18.8°C | 19.6°C | |
| Apr 3 | 19.0°C | 19.3°C | |
| Apr 4 | 17.0°C | 19.0°C | |
| Apr 5 | 17.3°C | 18.6°C | |
| Apr 6 | 17.5°C | 18.3°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 Waihi 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
Waihi Beach, on the western edge of the Bay of Plenty, faces the open Pacific Ocean and is known for its long sweep of sand and relatively mild sea temperatures by New Zealand standards. In mid to late summer, particularly from January to March, water temperatures usually range between 19–22°C. At this time of year, many locals and visitors are happy to swim without a wetsuit, especially on calm, sunny days. Through spring and autumn, the ocean generally sits around 16–19°C, which still allows for swimming, though it can feel a bit fresh at first. In winter, temperatures often drop to about 13–15°C, making the water noticeably chilly and better suited to surfers or keen swimmers with thermal gear.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 18°C | 21°C | 24°C |
| February | 19°C | 22°C | 24°C |
| March | 18°C | 21°C | 23°C |
| April | 18°C | 20°C | 22°C |
| May | 16°C | 18°C | 21°C |
| June | 14°C | 17°C | 19°C |
| July | 13°C | 15°C | 17°C |
| August | 13°C | 15°C | 16°C |
| September | 12°C | 15°C | 17°C |
| October | 13°C | 15°C | 18°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.
Waihi Beach: Weather Forecast
March 30
March 31
April 1
April 2
Local Water Conditions and Nearby Spots
Swimming Conditions
Swimming is allowed and popular at Waihi Beach, particularly during the patrolled summer season when lifeguards monitor conditions. However, as with many surf beaches in Aotearoa, waves and rips can develop, especially when there’s a decent swell running. The combination of open-ocean exposure and shifting sandbanks means conditions can change from day to day. On settled days, the beach offers enjoyable swimming and bodyboarding, while warmer summer sea temperatures make longer dips far more comfortable than in the cooler months.
🏄♀️ Nearby Surf Spots and Water Temperatures
Waihi Beach
Orakawa
Homunga Bay
Bowentown Bar
Whiritoa
Whangamata Estuary
Clark Island
Whangamata Beach
Donut Island
Location, Type and Nearby Places
Address: Western Bay of Plenty District
Place Tags:BeachSurf SpotCoastal Town
Water Temperature in Nearby Places
