Coolum Beach Sea Temperature

Looking to find out what the sea water temperature in Coolum Beach is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Coolum Beach and nearby locations.

Water temperature in Coolum Beach right now

Below is the current sea temperature for Coolum Beach, Australia on 2nd July 2025.

21.76° C

(71.16° F)

yesterday: 22° C (71.59° F)
a week ago: 22.07° C (71.73° F)

Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

The average sea temperature for Coolum Beach on July 2nd over the last 10 years is 21.17° C (70.1° F), with a low temperature of 20.22° C (68.4° F) and a high of 22.32° C (72.18° F).

Analysis and forecast for Coolum Beach water temperatures

The water temperature in Coolum Beach today is higher than the average temperature of 21.17° C (70.1° F) and the temperature on this day last year, 2nd July 2024, was 21.73° C (71.11° F).

The chart and table below shows the change in water temperature in Coolum Beach over the last 30 days:

Date	Temperature (Celsius)	Temperature (Fahrenheit)
July 2	21.76° C	71.16° F
July 1	22° C	71.59° F
June 30	21.61° C	70.9° F
June 29	21.68° C	71.02° F
June 28	21.6° C	70.88° F
June 27	21.56° C	70.81° F
June 26	21.77° C	71.19° F
June 25	22.07° C	71.73° F
June 24	21.99° C	71.58° F
June 23	21.99° C	71.58° F
June 22	22.01° C	71.62° F
June 21	21.95° C	71.51° F
June 20	21.8° C	71.24° F
June 19	21.8° C	71.24° F
June 18	21.47° C	70.65° F
June 17	22.09° C	71.76° F
June 16	21.73° C	71.11° F
June 15	21.74° C	71.13° F
June 14	21.78° C	71.2° F
June 13	21.93° C	71.47° F
June 12	22.1° C	71.78° F
June 11	22.23° C	72.01° F
June 10	22.44° C	72.39° F
June 9	22.66° C	72.79° F
June 8	22.79° C	73.02° F
June 7	22.84° C	73.11° F
June 6	22.82° C	73.08° F
June 5	22.71° C	72.88° F
June 4	22.75° C	72.95° F
June 3	22.93° C	73.27° F
June 2	23.04° C	73.47° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in Coolum Beach by month

The chart below shows the monthly average water temperature in Coolum Beach.

For more detailed information on how the sea temperature in Coolum Beach changes for each month of the year, choose from the months below.

January February March April May June July August September October November December

Coolum Beach map and nearby water temperatures