Whakatāne River – current water temperature and swimming conditions
This page provides information about the current water temperature at Whakatāne River in Bay of Plenty Region. Here you can view recent temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. A 7-day water temperature forecast, local weather conditions, and an overview of swimming suitability are also included.
Current Water Temperature
The water temperature in Whakatāne River today is 14°C.
Water Temperature in Whakatāne River: Daily Trends, Historical Records, and Forecast
⚠️ River water between 10 and 15°C is cold but manageable for short swims, especially on sunny days with warm air temperatures. The moving nature of a river can make the water feel colder than the actual reading, particularly in shaded or deeper sections. Casual swimming is usually brief, with wetsuits often preferred. Windy or cool weather can significantly reduce comfort, even when the air temperature is mild.
Water Temperature Over the Last 30 Days
Water temperatures in Whakatāne River have been gradually cooling over the past month, with a further drop recorded during the last week.
According to our forecast, the water temperature in Whakatāne River will be 11.8°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| May 6 | 13.7°C | 11.5°C | |
| May 7 | 13.7°C | 11.5°C | |
| May 8 | 15.8°C | 11.5°C | |
| May 9 | 15.8°C | 11.5°C | |
| May 10 | 14.5°C | 11.5°C | |
| May 11 | 14.5°C | 11.5°C | |
| May 12 | 15.9°C | 11.5°C | |
| May 13 | 14.0°C | 11.5°C | |
| May 14 | 13.9°C | 11.5°C | 13.9°C |
| May 15 | 11.5°C | 13.6°C | |
| May 16 | 11.5°C | 13.3°C | |
| May 17 | 11.5°C | 13.0°C | |
| May 18 | 11.5°C | 12.7°C | |
| May 19 | 11.5°C | 12.4°C | |
| May 20 | 11.5°C | 12.1°C | |
| May 21 | 11.5°C | 11.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual river water temperatures may vary by several degrees from the reported values, particularly after heavy rainfall or periods of changing weather. Rainfall, river flow rates, and runoff from cooler upstream areas can significantly affect water temperature, especially in flowing sections and shaded stretches. Air temperature and cloud cover also play an important role, with warm, sunny conditions helping rivers warm up more quickly. As a result, noticeable temperature differences can occur along the same river.
Our forecast is based on a proprietary mathematical model that takes into account real-time river temperature changes, historical data, seasonal patterns, river flow conditions, recent rainfall, and local air temperature. We also factor in broader weather conditions specific to each region of New Zealand to improve accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 13°C | 18°C | 23°C |
| February | 14°C | 18°C | 22°C |
| March | 11°C | 16°C | 20°C |
| April | 9°C | 14°C | 19°C |
| May | 7°C | 11°C | 15°C |
| June | 5°C | 9°C | 13°C |
| July | 4°C | 9°C | 13°C |
| August | 4°C | 8°C | 12°C |
| September | 7°C | 11°C | 15°C |
| October | 7°C | 12°C | 16°C |
| November | 10°C | 15°C | 19°C |
| December | 11°C | 16°C | 21°C |
Whakatāne River: Weather Forecast
May 15
May 16
May 17
May 18
May 19
Location & Local Information
Source Confluence of the Kopaenui Stream and Mangaorongo Stream • coordinates 38°37′53″S 176°58′34″E • elevation 720 m (2,360 ft) Mouth: • location Bay of Plenty • coordinates 37°56′35″S 177°00′34″E • elevation 115 m (377 ft) Length 95 km
The Whakatāne River flows from the rugged ranges of Te Urewera through the township of Whakatāne before entering the Bay of Plenty coast. As a river that begins inland but runs through warmer lowland areas, its water temperature changes noticeably with the seasons. In winter, temperatures are generally around 9–13°C. During spring, the river gradually warms to approximately 13–17°C. In summer, especially in January and February, calmer sections and wider reaches can reach about 19–23°C on warm days, while shaded or faster-flowing areas may remain slightly cooler. In autumn, temperatures usually settle back to between 14 and 18°C. Heavy rain in the upper catchment can briefly lower temperatures and increase flow.
Swimming Conditions
Swimming is allowed in suitable parts of the Whakatāne River, and it is commonly used for recreation during the warmer months. The most comfortable swimming conditions typically occur in mid to late summer when water temperatures exceed 18°C and river levels are steady. However, swimmers should be aware of changing currents, deeper holes and tidal influence near the river mouth. It is advisable to avoid swimming during high flows after heavy rainfall, when water clarity can decrease. Checking local river conditions and water quality updates before entering the water is recommended for safety.