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Motueka River – current water temperature and swimming conditions

This page provides information about the current water temperature at Motueka River in Tasman 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.

Motueka River
Motueka River © Steve Heuser

Current Water Temperature

15.1°C
Today
14.8°C
Yesterday
14.6°C
A Week Ago

The water temperature in Motueka River today is 15°C.

Water Temperature in Motueka River: Daily Trends, Historical Records, and Forecast

⚠️ A river temperature of 15 to 20°C is generally considered cool to comfortable for swimming in Australia. On warm, calm days, this range allows for relaxed swimming and longer time in the water. Comfort depends heavily on air temperature and sunshine, as cooler weather can still make the water feel chilly. This range is popular for river swimming during spring and early autumn.

Water Temperature Over the Last 30 Days

Water temperatures in Motueka River have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, the water temperature in Motueka River will be 15.9°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
Mar 2114.6°C16.0°C
Mar 2214.6°C16.0°C
Mar 2314.6°C16.0°C
Mar 2414.6°C16.0°C
Mar 2514.8°C16.0°C
Mar 2614.8°C16.0°C
Mar 2714.8°C16.0°C
Mar 2814.8°C16.0°C
Mar 2915.1°C16.0°C15.1°C
Mar 3016.0°C15.2°C
Mar 3116.0°C15.3°C
Apr 116.0°C15.4°C
Apr 216.0°C15.6°C
Apr 316.0°C15.7°C
Apr 416.0°C15.8°C
Apr 516.0°C15.9°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 Australia to improve accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Today Yesterday A Week Ago
January11°C18°C24°C
February9°C17°C24°C
March10°C16°C22°C
April9°C14°C18°C
May5°C10°C14°C
June2°C7°C12°C
July1°C6°C10°C
August3°C7°C11°C
September5°C9°C13°C
October7°C12°C16°C
November8°C14°C19°C
December9°C15°C21°C

Motueka River: Water Temperature by Location

Motueka Valley

Tasman Region
15.5°C

Motueka River: Weather Forecast

March 30

6°C / 18°C
overcast
rain: 33% | wind: 9 km/h

March 31

8°C / 16°C
fog
rain: 25% | wind: 6 km/h

April 1

5°C / 17°C
fog
rain: 0% | wind: 4 km/h

April 2

7°C / 19°C
fog
rain: 0% | wind: 12 km/h

April 3

13°C / 18°C
overcast
rain: 0% | wind: 13 km/h

April 4

11°C / 16°C
fog
rain: 20% | wind: 8 km/h

Location & Local Information

Source: • location Red Hills in South East of catchment • elevation 1,400m Mouth: • elevation Sea level Length 116 km

The Motueka River in the Tasman District flows from the mountains of Kahurangi National Park down to Tasman Bay, passing through forested valleys and fertile plains. As a river with both alpine headwaters and lower, sun-exposed stretches, its water temperature varies through the year. In winter, temperatures are generally around 7–11°C, especially in the upper reaches. During spring, snowmelt and rainfall keep the river cool, typically between 10 and 14°C. In summer, particularly in January and February, calmer pools and wider sections near the lower valley can warm to approximately 16–20°C on settled days. By autumn, temperatures usually ease back to around 11–16°C. Periods of heavy rain can quickly lower temperatures and increase flow.

Swimming Conditions

Swimming is allowed in suitable sections of the Motueka River, and it is a popular activity during the warmer months. The most comfortable conditions are usually in mid to late summer when water temperatures approach or exceed the high teens and river levels are stable. However, swimmers should be mindful of steady currents, uneven riverbeds and deeper holes in some stretches. It is advisable to avoid swimming after significant rainfall, when flows can rise rapidly and water clarity may decrease. Checking local river conditions and water quality guidance before entering the water is recommended.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in Motueka River?
The water temperature in Motueka River today is 15°C.
What is the water temperature in Motueka River during the summer months?
In summer, water temperatures in Motueka River at Wangi Wangi typically range from 9°C to 24°C.
Is it possible to swim in Motueka River (Tasman Region)?
Yes — many people swim in parts of the Motueka River in summer where calm, shallow pools and gravel bars form, but the water can be chilly and the current can pick up quickly after rain. Always check local signage and recent flow or water-quality updates (for example from the Tasman District Council), stick to calm, accessible spots, and don’t swim alone or without a flotation device if you’re unsure.