Altona Sea Temperature

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

Water temperature in Altona right now

Below is the current sea temperature for Altona, Australia on 15th September 2024.

13.88° C

(56.98° F)

yesterday: 13.73° C (56.71° F)
a week ago: 12.46° C (54.43° F)

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a very big risk.

The average sea temperature for Altona on September 15th over the last 10 years is 12.46° C (54.42° F), with a low temperature of 11.15° C (52.07° F) and a high of 13.87° C (56.97° F).

Analysis and forecast for Altona water temperatures

The water temperature in Altona today is higher than the average temperature of 12.46° C (54.42° F) and the temperature on this day last year, 15th September 2023, was 13.87° C (56.97° F).

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

Date	Temperature (Celsius)	Temperature (Fahrenheit)
September 15	13.88° C	56.98° F
September 14	13.73° C	56.71° F
September 13	12.78° C	55° F
September 12	12.63° C	54.73° F
September 11	12.85° C	55.13° F
September 10	12.47° C	54.45° F
September 9	12.45° C	54.41° F
September 8	12.46° C	54.43° F
September 7	12.51° C	54.52° F
September 6	12.43° C	54.37° F
September 5	12.43° C	54.37° F
September 4	12.49° C	54.48° F
September 3	12.46° C	54.43° F
September 2	12.3° C	54.14° F
September 1	12.53° C	54.55° F
August 31	12.55° C	54.59° F
August 30	12.69° C	54.84° F
August 29	12.76° C	54.97° F
August 28	12.78° C	55° F
August 27	12.91° C	55.24° F
August 26	12.97° C	55.35° F
August 25	12.81° C	55.06° F
August 24	12.69° C	54.84° F
August 23	12.51° C	54.52° F
August 22	12.32° C	54.18° F
August 21	12.25° C	54.05° F
August 20	12.21° C	53.98° F
August 19	12.23° C	54.01° F
August 18	12.03° C	53.65° F
August 17	11.95° C	53.51° 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 Altona by month

The chart below shows the monthly average water temperature in Altona.

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

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

Altona map and nearby water temperatures