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Macleay River – current river water temperature and swimming conditions

This page shows the current river water temperature at Macleay River in New South Wales. You can explore recent temperature trends, typical monthly ranges, and historical averages for this date. The page also includes a 7-day water temperature forecast, local weather conditions, and an overview of how suitable the river is for swimming.

Macleay River
Macleay River © By Cgoodwin, CC BY 3.0

Current Water Temperature

17.8°C
Today
17.9°C
Yesterday
18.1°C
A Week Ago

The water temperature in Macleay River today is 18°C.

Water Temperature in Macleay 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 Macleay 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 Macleay River will be 15.8°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
Apr 2818.5°C15.7°C
Apr 2918.3°C15.7°C
Apr 3018.1°C15.7°C
May 118.0°C15.7°C
May 218.1°C15.7°C
May 318.1°C15.7°C
May 417.9°C15.7°C
May 517.9°C15.7°C
May 617.8°C15.7°C17.8°C
May 715.7°C17.5°C
May 815.7°C17.2°C
May 915.7°C16.9°C
May 1015.7°C16.7°C
May 1115.7°C16.4°C
May 1215.7°C16.1°C
May 1315.7°C15.8°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 Australia to improve accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Today Yesterday A Week Ago
January17°C23°C28°C
February15°C22°C28°C
March15°C22°C27°C
April12°C19°C24°C
May8°C16°C21°C
June5°C13°C17°C
July4°C12°C16°C
August5°C14°C18°C
September9°C17°C22°C
October12°C20°C24°C
November15°C21°C26°C
December16°C23°C27°C

Macleay River: Water Temperature by Location

Bellbrook

New South Wales
17.6°C

🔗 Kempsey

New South Wales
18.5°C

Location & Local Information

Source Great Dividing Range
• location Blue Nobby Mountain, near Uralla
• elevation 455 m (1,493 ft)
2nd source Gara River
Source confluence Salisbury Waters and Bakers Creek
Mouth Tasman Sea
• location near South West Rocks
• coordinates 30°52′S 153°01′E
• elevation 0 m (0 ft)
Length 298 km (185 mi)

The Macleay River flows from the Great Dividing Range down to the mid-north coast of New South Wales, and its water temperature reflects this mix of inland and coastal influences. In summer, from December to February, the river is usually a comfortable 22–26°C, sometimes feeling warmer in slower sections and backwaters during hot weather. Spring and autumn are mild, with water temperatures generally sitting between 18–22°C. Winter is cooler but still manageable, often around 14–18°C, especially in deeper reaches where temperature changes are gradual. Rainfall and upstream flows can affect both temperature and clarity, particularly after heavy rain.

Swimming Conditions

Swimming in the Macleay River is generally allowed and quite popular in many sections, especially during the warmer months. In summer, the water temperature is usually pleasant enough for a proper swim rather than just a quick dip. Locals often use familiar river beaches, bends and calmer stretches where access is easy and the current is manageable. Closer to the mouth, tidal influence, boat traffic and stronger currents mean swimmers need to be more cautious. After heavy rain, visibility can drop and flows can increase quickly. With sensible spot selection and settled conditions, the Macleay offers plenty of enjoyable swimming opportunities through much of the year.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in Macleay River?
The water temperature in Macleay River today is 18°C.
What is the water temperature in Macleay River during the summer months?
In summer, water temperatures in Macleay River typically range from 15°C to 28°C.
Is it possible to swim in Macleay River (New South Wales)?
Yes — you can swim in many parts of the Macleay River, particularly in calm pools and the estuarine stretches near Kempsey, but conditions change with tides, river flow and recent rainfall. Always follow local signage, avoid swimming after heavy rain because of poor water quality and submerged hazards, keep well clear of boat channels and strong currents, and check with the local council or NSW Health for up‑to‑date safety and water‑quality advice.