Water temperature in Booker Bay

This data the coastal Booker Bay sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Booker Bay

Water temperature in Booker Bay today is 20.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Tasman Sea near Booker Bay was recorded in 2015 and was 19.8°C, and the coldest was recorded in 2012 at 18°C. Sea water temperature in Booker Bay is expected to drop to 19.5°C in the next 10 days. October average water temperature in Booker Bay is 18.9°C, the minimum temperature is 17.3°C, and the maximum is 21.1°C.

The swimming season in Booker Bay lasts from November to May. During those months, Booker Bay water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Booker Bay in winter reaches 18.1°C, in spring 18.9°C, in summer the average temperature rises to 22.5°C, and in autumn it is 22°C.

Booker Bay water temperature now

The sea salinity in Booker Bay is 35.15‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Booker Bay for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Booker Bay. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Booker Bay. Data in table shown for 18 October 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Booker Bay

Booker Bay weather forecast

Current temperature and weather

Data in a table show Booker Bay temperature today (18 October 2025). For more information and forecast for a few days, go to the weather forecast Booker Bay.

0-3 h	3-6 h	6-9 h	9-12 h
17.2°C	16.3°C	16.1°C	20.2°C

12-15 h	15-18 h	18-21 h	21-24 h
22.2°C	20.2°C	17.2°C	15°C

Booker Bay water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Booker Bay. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Booker Bay on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Booker Bay

The nearest beaches and cities from Booker Bay with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Davistown	20.2°C	20°C		0.96 m
Empire Bay	20.2°C	20°C		0.96 m
Ettalong Beach	20.2°C	20°C		0.96 m
Point Clare	20.2°C	20°C		0.96 m
Umina Beach	20.4°C	20°C		0.96 m
Killcare	20.4°C	20°C		0.96 m
Whale Beach	20.3°C	20°C		0.72 m
Gosford	20.1°C	20°C		1.17 m
Avoca Beach	20.1°C	20°C		1.17 m
Bilgola Beach	20.2°C	20°C		0.72 m

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Our report for Booker Bay is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.