Blackmans Bay Sea Temperature

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

Water temperature in Blackmans Bay right now

Below is the current sea temperature for Blackmans Bay, Australia on 11th November 2025.

13.53° C

(56.36° F)

yesterday: 13.41° C (56.14° F)
a week ago: 13.38° C (56.08° 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 Blackmans Bay on November 11th over the last 10 years is 13.5° C (56.31° F), with a low temperature of 12.31° C (54.16° F) and a high of 14.75° C (58.55° F).

Analysis and forecast for Blackmans Bay water temperatures

The water temperature in Blackmans Bay today is higher than the average temperature of 13.5° C (56.31° F) and the temperature on this day last year, 11th November 2024, was 13.52° C (56.34° F).

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

Date	Temperature (Celsius)	Temperature (Fahrenheit)
November 11	13.53° C	56.36° F
November 10	13.41° C	56.14° F
November 9	13.25° C	55.85° F
November 8	13.17° C	55.71° F
November 7	12.95° C	55.31° F
November 6	13.19° C	55.74° F
November 5	13.18° C	55.72° F
November 4	13.38° C	56.08° F
November 3	13.32° C	55.98° F
November 2	13.27° C	55.89° F
November 1	13.34° C	56.01° F
October 31	13.16° C	55.69° F
October 30	12.65° C	54.77° F
October 29	12.36° C	54.25° F
October 28	12.28° C	54.1° F
October 27	12.2° C	53.96° F
October 26	12.34° C	54.21° F
October 25	12.37° C	54.27° F
October 24	12.21° C	53.98° F
October 23	12.28° C	54.1° F
October 22	12.1° C	53.78° F
October 21	12.29° C	54.12° F
October 20	12.03° C	53.65° F
October 19	12.11° C	53.8° F
October 18	12.19° C	53.94° F
October 17	12.09° C	53.76° F
October 16	12.26° C	54.07° F
October 15	12.25° C	54.05° F
October 14	12.05° C	53.69° F
October 13	11.99° C	53.58° F
October 12	11.8° C	53.24° 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 Blackmans Bay by month

The chart below shows the monthly average water temperature in Blackmans Bay.

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

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

Blackmans Bay map and nearby water temperatures