Coolum Beach – current water temperature and swimming conditions

This page shows the current water temperature at Coolum Beach in Queensland. 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

20.3°C

Today

20.4°C

Yesterday

21.5°C

A Week Ago

The average sea water temperature today in Coolum Beach is about 20°C.

Water Temperature in Coolum 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

From May 22 to June 21

Water temperatures in Coolum 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 Coolum Beach will be 21.4°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
Jun 13	21.6°C	22.0°C
Jun 14	21.5°C	21.8°C
Jun 15	21.5°C	21.0°C
Jun 16	21.4°C	20.8°C
Jun 17	20.4°C	21.3°C
Jun 18	20.4°C	20.8°C
Jun 19	20.3°C	21.3°C
Jun 20	20.4°C	21.5°C
Jun 21	20.3°C	21.5°C	20.3°C
Jun 22		21.0°C	20.5°C
Jun 23		21.8°C	20.6°C
Jun 24		22.0°C	20.8°C
Jun 25		21.8°C	20.9°C
Jun 26		21.8°C	21.1°C
Jun 27		21.8°C	21.2°C
Jun 28		22.0°C	21.4°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 Coolum 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

30°C

25°C

20°C

15°C

10°c

5°C

0°C

Annual Water Temperature Trend

Coolum Beach sits along the Sunshine Coast facing the Coral Sea, and water temperatures here stay comfortable for swimming through most of the year. In summer, from about December to March, the sea usually ranges between 24 and 26 °C, making the water warm enough for long swims without feeling overly hot. During winter, typically June to August, temperatures drop to around 19–21 °C, which can feel cool at first but is still pleasant on sunny days with light winds. Spring and autumn are often ideal, with water temperatures commonly sitting between 21–23 °C and generally stable coastal conditions.

Monthly Water Temperature Range (Min, Max & Average)

Month	Min	Avg	Max
January	23°C	27°C	28°C
February	25°C	27°C	29°C
March	25°C	26°C	29°C
April	23°C	25°C	28°C
May	21°C	24°C	26°C
June	19°C	22°C	24°C
July	19°C	21°C	23°C
August	19°C	21°C	23°C
September	18°C	22°C	24°C
October	20°C	23°C	27°C
November	22°C	23°C	27°C
December	22°C	25°C	28°C

* Click on a month to view detailed water temperature data.

Coolum Beach: Weather Forecast

June 22

12°C / 20°C

clear sky

humidity: 82% | wind: 11 kmh

June 23

13°C / 18°C

clear sky

humidity: 76% | wind: 11 kmh

June 24

14°C / 18°C

light rain

humidity: 76% | wind: 18 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Coolum Beach

⭐ 5.0/5

20.9°C

Ninjas Beach

⭐ 3.2/5

20.9°C

First Bay Coolum

⭐ 3.4/5

20.9°C

Golden Beach

⭐ 4.5/5

20.8°C

Yaroomba Beach

⭐ 3.6/5

19.2°C

Victory Park

⭐ 3.9/5

19.2°C

Marcoola Beach

⭐ 5.0/5

20.4°C

Marcoola Beach

⭐ 4.7/5

19.0°C

Marcus Beach

⭐ 3.6/5

19.2°C

Swimming Conditions

Swimming at Coolum Beach is allowed and popular, especially along the main beach where lifesaving patrols operate during peak periods. The beach is relatively open, so wave action and currents can be stronger at times, particularly after swell or windy weather. For this reason, swimmers are advised to stay between the flags and choose calmer conditions. Marine stingers are uncommon this far south, though they can occasionally appear in warmer months. With clean water, reliable temperatures, and well-managed swimming areas, Coolum Beach offers good swimming opportunities for confident swimmers who follow local safety advice.